Tag: amazing

The Ultimate Roller Coaster Ends Lives

By Anupum Pant

Euthanasia Coaster, A concept designed by Julijonas Urbonas, is a one of its kind roller coaster concept designed to literally kill you. As the name suggests, it is an engineering marvel designed to intentionally end lives of people suffering from terminal illnesses or the ones who are bored of a too long life – a practice referred to as Euthanasia. The coaster is a different kind of Euthanasia machine.

The concept, according to him is a humane way of ending lives of people who don’t want to live any more. Since, Euthanasia is seen as a suicide by some, it has been banned in some countries, while there are others who consider it legal. Similarly, the humane way of ending life by inflicting euphoria and thrill is considered a marvellous concept by some, and there are also others who are extremely disgusted by the idea. Most find it morbid.

Since Julijonas neither encourages nor discourages suicide, I think it isn’t right to judge him by his concept.

It kills you by extreme G forces that are produced at certain parts of the coaster. In simple words, it kills you by depriving your brain of oxygen. The medical term for it is Hypoxia. It does this by taking you up half a kilometre high and then dropping you into a 10 second long fall. It is built to carry 24 people and it ensures that all of them come back dead.

Euthanasia Coaster from Julijonas Urbonas on Vimeo.

There is no organization who plans to build it yet.

[Find out more]

A tip you don’t need: Another way to die out of pleasure would be to feed yourself Theobromine. Now where would you find it?

Dark chocolates! A tiny bite of dark chocolate can easily kill your dog. But, if you are an 80 kg human, you need to consume about 10 kg of dark chocolate to kill yourself. That would be a great way to go, wouldn’t it?

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Watch How 32 Metronomes get Synchronized Automatically!

By Anupum Pant

Background

From biological cells to celestial bodies spontaneous synchronisation is found everywhere in the nature. In simple words, you could call “spontaneous synchronisation” as “a natural self-organisational behaviour” in things. Where, out of a chaos, uniform order starts appearing. If that feels too abstract to understand, read on…

Probably the first human to note this effect was a Dutch physicist, Huygens. Huygens noticed this when he was working on a ship with two pendulum clocks. For very long times, his work of calculating longitudes required him to watch these clocks swinging away their pendulums. He would lie on the bed and watch them go. There was one weird thing he noticed about these pendulum clocks. No matter how the pendulums started swinging, after an hour or so, both the pendulums ended up synchronized! This was a perfect example of uniform order appearing out of no where from an apparent chaos.

The effect amazed scientists for about 350 years. Only then some researchers at Georgia Tech University, were they able to produce a perfect mathematical model that proved it. So, what was happening on the boat? In a similar fashion, would all pendulum clocks in the world get spontaneously synchronized? Let’s look at the following example to find the answer.

Synchronizing metronomes

Think of it this way. You have a couple of metronomes with you – the physical ones, the ones that are based on pendulums. You start each one of them and there is almost no chance that you’d get them perfectly synchronized in the first go. So what do you do to get them synced?

You simply keep all of these metronomes (ticking with the same frequency but different phase relations) on a free-floating table. That gets them synchronized in a matter of minutes. See how the 32 metronomes completely out of sync of each other get synchronized in the following video. Note that they are on a surface that is free-floating.

Adam Milkovich explains the effect very beautifully in the following video:

Another video – Link

Back to Huygens

Now, if we come to see the boat as a free-floating base and the 2 discordant pendulum clocks as metronomes, the segue of their motion into a perfectly synchronized one, makes complete sense.

The only difference is that the boat was a pretty huge free-floating base – something which has a relatively very high mass as compared to the pendulums. And then there is the drag on water; other forces etc.. The pendulums had a very very tiny effect on the boat and in turn, were able to transfer only a teeny bit of energy with every oscillation. So it took longer.

I find it pretty incredible that it even happened in an hour. I think it would have taken a much longer time, given the huge difference in their masses. May be Huygens exaggerated. Or it was a very small boat. Anyway, that is the reason, Huygens’ clocks took about an hour to get synchronized. While the ones we see above are able to do it in a matter of minutes.

Back to the Question

Would all pendulum clocks in the world would get spontaneously synchronized?

Well, I’m not too sure. But this is how I see it:

I think of Earth as a really really really huge free-floating boat. Now, the movement of pendulums on Earth certainly has an effect on the earth. And in turn the other pendulums get affected. And they end up synchronized at some point. But the first effect itself is unimaginably small.

I mean, the Earth is so massive that even if all of the 7 billion people on Earth jumped at the same time, the 6-trillion-trillion-kilogram Earth would move so less. Earth would move about a hundredth of the radius of a single hydrogen atom.

So, pendulums would hardly have any effect. But the effect would certainly be there.

Therefore, I’d say the answer is yes. Yes, all the pendulum clocks on earth would eventually get synchronized. But it would probably take so long, that even earth, leave alone pendulum clocks, would cease existing.

Toy idea: Well, that gives me a great idea for a toy. 5 – 10 pendulums inside a huge pendulum. The inner ones would get beautifully synchronized automatically!

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Sad Story of The Lonely Whale – 52 Hertz

By Anupum Pant

Background Story

In the year 1989, a navy technician Joseph George, discovered something mysterious. While looking for enemy submarines in the sea by detecting sound signals, Joseph noticed that there was a mysterious lone sound which stood out in the acoustic signal. From his years of experience as an acoustic analyst, Joseph knew that this sound wasn’t coming from a submarine. As predicted, no enemy ships or submarines were found on further examination.

The sound was a deep pulsing wave and was incredibly loud. It seemed as if it were coming from a machine. But he was certain that this wasn’t a mechanical machine which was making the sound. There was something biological about it. So Joseph decided to call an experienced marine biologist to find out what was making that sound. The researcher confirmed that it was a whale! But not a normal whale…

Did you know?
Whale vomit can make you rich.
and Whale fat is a very healthy thing to eat.

The Twist

If this was really a whale, it still confused the marine biologist because first, the sound was coming from an awkward path. Since whales travel together in a regular migratory path, this wasn’t coming from any of those paths. Also, it was a lone sound.

Secondly, the frequency of sound that was detected was measured to be 52 hertz, and no species of whales were known to make that kind of sound. Usually whales create a sound with a frequency that lies between 15 to 20 hertz. This was definitely not any known species of whale. Or even if it was among any of the known species, it was calling out the wrong note. A note, probably no other whale could hear.

So, for obvious reasons, even when the loud bass was heard for several times, no response by other whales was detected. This was awkward because whales usually respond to the members of their groups. They talk. It was concluded that this whale was travelling alone. No one knew why.

Studies and Theories

In the 13 years of study that ensued, the whale (or whatever it was) was never seen, nor was a response to its song was noted. Scientists started calling it the 52 hertz whale. They could never figure out why the whale sang in a different voice or even an answer to why it was alone, travelling on a completely different path.

Scientists have tried to explain this, but there has never been a solid answer that explains the lonely nature of the creature. To explain the loneliness, some say that the 52 hertz’s voice can’t be heard by other whales, others say that it can’t hear the other whales. Some say that the other whales are scared to respond or go near an unusual voice. Other theories say that the whale must be a hybrid of two different species of whales and that is the reason it sounds so different. What is the real deal, no one knows.

Stories Documentaries and Poems

The 52-hertz whale started having a huge fan following in the late 2000s. A 90 minute documentary was made. However, I couldn’t find it anywhere. Poems were written. Blogs and statuses were written and people sounded touched & concerned. They wanted to extend help to the lonely whale in some way.

lonely whale response

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A Mountain on Earth Taller Than The Mt. Everest

By Anupum Pant

Background

Of course there are taller mountains than the Everest. Like if you consider the whole solar system, the tallest mountain is in Mars. It is about 2.5 times the height of Mt. Everest, and had it been on Earth, going to its peak would have required you to wear a space suit. It is about 21 km tall!

But here on earth, you’d think Mt. Everest is the tallest mountain. No, it is not. In fact, the peak of Mt. Everest is of course the Highest peak. So, it is the “Highest” mountain, not the “tallest”. The tallest one would be the Mauna Kea in Hawaii. Subtle differences, you see…

Tallest means – Measuring the mountain from its base to the peak. (Which seems pretty fair to me, but it isn’t the norm).
Highest means – Measuring the mountain from the sea level to the peak.

Measuring Heights

Mountain peaks are measured from the sea level. Suppose a mountain is in the sea, the part of it which lies below the sea isn’t added to it’s height. So a mountain lying in the sea says, “unfair!”

Measuring sea level in turn is another complex problem because the sea isn’t at the same level everywhere. In fact, the sea level is much higher at the base of a mountain because the mountain’s mass increases the gravity and pulls the sea water making it higher there. Even if there isn’t any sea around mount Everest, the calculated sea level (higher than normal) is used as the base of the mountain. From this raised sea level to the peak, Mt. Everest measures 8,848 m.

This is how sea level is calculated:

Therefore, Mt.  Everest is 8,848 meters tall, because there is no part of it which is under the sea (because there is no sea there). Also, Mt. Everest is 8,848 meters high because its peak is 8,848 meters from the calculated sea level.

Mauna Kea

Mauna Kea, a dormant volcano in Hawaii, is not popularly known because it’s peak is just 4207 m above the sea level. So, it is 4,207 meters high. Mt. Everest is much higher!

But the important thing to note is that a huge part of the volcano is under the sea level. In other words, its base is on the ocean bed, not on land. So, if measured from the base, it is 10,100 meters tall! That is more than 1.2 kilometres taller than the mount Everest.

Mount kea is tallest mountain

That means, if there were no sea, Mauna Kea would have been a clear winner. Think of it this way – Suppose you cut both the mountain at their bases and place them on a huge flat land, Kea would be 1.2 kilometers higher! Given it is not a constant, I wonder why “sea level” is used as a standard to measure heights of mountains.

Clearly, Kea should be known better. School text books should at least have a mention of it.

 Another Twist

Now if you think that is all I have to say about the highest and tallest things, you are wrong. There are all sorts of complex measurements we can do. What if, you start measuring the height of a mountain from the centre of the earth?

I don’t think that would be fair given the odd shape of earth – It is about 42 km farther across the equator than it is at the poles. That is too much distance to ignore. Had earth been a perfect sphere, this measurement would have made sense.

earth measured at poles and equator
earth measured at poles and equator

Nevertheless, let’s imagine that we have started measuring the height of a mountain peak by measuring its distance from the centre of the earth. In that case, Mt. Chimborazo, an ice-capped inactive volcano and the highest mountain in Ecuador, would have been the highest one. Even with a peak which is at an elevation of 6,268 meters from the sea level, it is still the most distant place from the centre of the earth. The peak of it is 6,384 km from the centre, while that of Mt. Everest is 6,382 km from the centre of the earth. In some way, even Chimborazo is taller than Mt. Everest. Still, we’re never taught about it in schools!

If there are any science teachers reading this, please tell these things to the kids. I’ll be honoured!

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The Rainbow Coloured Lake – Grand Prismatic Spring

By Anupum Pant

Of all the “cool” places we have here on earth, lakes and other water bodies fascinate me the most. This is probably the reason I keep stumbling upon some of the most amazing lakes over and over. In the past I’ve written about the Taal lake and the bleeding lake of Antarctica. I have several others in mind, but this is the one I’ve picked for today, and it isn’t “cool” – The rainbow coloured lake.

Lying amidst the colourful geysers and hot springs of Yellowstone National park, located in the state of Wyoming, is a lake where you’ll see colours ranging from brilliant yellow, orange, red, green and of course blue. Here is what it looks like…

The lake is called the grand prismatic spring and it is the largest hot spring in the US. The water there is hot enough to burn you. And yet…

The hot spring, is home to different kinds of tiny living creatures. Organisms called thermophiles have learnt to thrive in the abnormally hot place. In fact, these creatures depend so much on the heat that they can’t live away from the hot water.

What makes it coloured?

The lake is coloured, yes. But what causes these bright vivid colours? Is it because there is something in the air around it, or is it due to a industrial chemicals leaking into the lake, or is it due to these organisms? Whatever causes the lake to appear coloured, that too colours appearing in the same order like they would be seen on a rainbow, I wanted to know.

Turns out, it isn’t just the lake that is coloured. The steam that arises from the hot water comes in different colours too!

The orange and other non-green/blue colours which appear there the most after blue are due to a multi-layered sheet of microorganisms that thrive in the lake. These are pigmented. The main pigment is chlorophyll (the same thing which helps the plants make food). But chlorophyll is green. So there are some other yellow, red and orange coloured pigments called Carotenoids, that protect the chlorophyll when the sunlight is bright enough to damage it.

The colour of the part of lake is a function of, amount of Carotenoids  present with chlorophyll. More the Carotenoid, more colours you’ll see. A greater ratio of cartenoids to protect the chlorophyll during summers is the reason why the lake appears not-so-coloured during winters and vividly coloured during the summers. So, it isn’t the variety of microorganisms or chemicals or atmospheric conditions that colour the lake, the colour is due to the different mix of chlorophyll and carotenoids at different patches of the lake at different times of the year.

The best time to visit this place would thus be the summer season!

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Space Oddities – Part II

By Anupum Pant
pat on the back self
Self-administered pat on the back to me.

A few days back, in the month of December I had compiled a list of 6 space oddities that really interested me. At that time, I was pretty sure I would stumble upon a few more odd/interesting things about space within a month or two. With that in mind, I had decided to suffix the heading with “Part – I”. Four months have passed. That was a very thoughtful thing I did – thinking 4 months into the future. I have to appreciate my forethought (with a self-administered pat on the back) for doing that because today I’m back with a few more of these odd / interesting things about space and I’m still not embarrassed about the heading for the post.

So, here is the part II of space oddities (read the part I here):

1. A Hole in the Universe

Space Dust Image Gallery

About 7 years from now, researchers from University of Minnesota found out about a really huge void in our universe. The abnormal hole measures approximately sixty billion trillion miles. In easier words, it is about 10 Billion light years wide. Imagine! A beam of light would takes 10 Billion years to travel through that empty place. How lonely would it be at the centre of it. The void is bigger than anything else scientists have ever seen in space.

The whole volume of space shows no sign of any stars, planets, asteroids, gases, clouds, dust. The volume doesn’t even have any signs of dark matter (95% of our universe is dark matter) too. [read more about it]

2. Costliest thing ever built

Think of a huge 5 bed room house floating in space that can be seen moving from the surface of the earth with the naked eye! Yes, I’m talking about the International Space Station. It is a whooping 200,000 kg object that is 171 feet long, 240 feet wide and 90 feet high.

When it comes to the price of building something this huge in space, it beats everything from the most lavish sky scrappers to the most largest dams  ever built. The price of building it is estimated to be about $160 Billion and fortunately the cost is shared by Canada, the European Union, Japan, Russia and the US. It is officially the most expensive object ever constructed, and it is NOT on earth! – Guinness book of World Records.

3. The Cosmic Smile Continue reading Space Oddities – Part II

Bizarre Creature – The Tongue Eating Parasite

By Anupum Pant

Background

Firstly, if you are eating something, or you are weak at heart, then go away. It isn’t going to be a pleasant one today because we are going to look at a really bizarre, and probably one of the most grossest creature ever – The tongue eating parasite.

Not that it is really needed here, but in case someone comes searching for it, the scientific name of this isopod is Cymothoa Exigua. It is one of those very large group of animals that includes crabs and lobster – called Crustacean. This one lives in the ocean and is parasitic. That means this creature lives and benefits at the expense of the other, called the host (fish in this case).

Changing Sex

Protandry hermaphroditism: Another interesting thing about these isopods is that the adult males can turn themselves into females. When a creature changes sex from male to female, it is called Protandry. This changing of sex at some point in life is called Sequential hermaphroditism. So, the tongue eating parasite is a Protandric Hermaphrodite. But that isn’t even what we came here for…The main tongue eating part is coming…

The Life of Cymothoa Exigua

The life cycle of this parasite starts with these little ones attaching themselves to gills of, say a Snapper(or others). They enter the body of a fish through gills. When they mature inside, all of them are males. Later, since they are Protandric Hermaphrodites, one of these matured males turns into a female. During this time the males are still attached to the gill arches.

The male that turns into a female, goes to the base of the tongue of this fish and attaches itself to it. It feeds on the tongue and destroys it. Then the parasite attaches itself to the stub and starts acting as a prosthetic tongue!

If you are not in a mood to read, the woman in the video below explains it nicely.

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His Blood was a Powerful Snakebite Serum

By Anupum Pant

Background

Trust me, this isn’t an April Fool’s joke. Bill Haast, born in the year 1910 was one very interesting person. He was a man who was immune to the bites of some of the world’s most dangerous snakes like cobras, vipers (and others). He was the only person to have survived 3 king cobra bites. He even survived the bite from a blue krait (the snake died). Not just that. His blood was treated as a powerful snakebite serum. He also saved countless lives simply donating his blood. Was it a superpower of some sort?

Did you know? Venom and Poison are not the same things.

How?

Maybe you could call it that. But, the superpower did not happen spontaneously. He did it to himself. He turned himself into a human experiment (at the cost of his life) to attain this level of resistance to snake venom.

His secret: Bill Hast, bitten by snakes more than 170 times, in his time, was a man who was bitten by poisonous snakes more times than any other living man. But those were mostly accidents that happened when he handled snakes during his career with snakes, a career that lasted more than 60 years. He built antibodies in his blood by voluntarily injecting snake venom every week since 1948! When he started doing this to himself, he did not know if he’d survive.

However, the man went on to hit 100 years of healthy life. Look at how he moves around at the age of 88. (Certainly not as agile as the 86-year-old gymnast – the super grandma. No one beats that!). He died on June 15, 2010.

His job: His real occupation was to collect venom to make anti-venom serums. He owned about 10,000 snakes. He collected the venom by repeating the process thousands of time (at the same time he was kind to the snakes). For drug companies in the year 1990, he was the source for 36,000 samples of venom.

Did you know? There is a Wasp that turns a cockroach into a zombie with its venom!

The other side of it

Of course the superpower came with a cost. In the video, you can see how had gnarled, he had lost the use of couple of muscles in his hand and had scars all over. He did it all with good intentions in mind, not for the money. Bill Haast, certainly was a legend.

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Horrible Rare Genetic Disease Turns Humans to Statues

By Anupum Pant

Background

At an early age, the horrible, rare and poorly understood disease that we’ll discuss today – FOP – starts producing tumours in the body. Doctors usually assume it to be the fairly common cancerous tissue but when it turns out to be FOP, everybody panics. Yes, this one is more ruthless than cancer. How?

Well, FOP (Fibrodysplasia ossificans progressiva) turns humans into statues. It is also known as the stone man syndrome. It is an extremely rare genetic disorder in which the muscles and other connective tissues in the human body start turning into bone. Some times it happens automatically, other times it happens when the tissues are damaged. Gradually, the patients who are affected by FOP are imprisoned in their own skeletal prison.

FOP is one of the most bizarre diseases. And has no solid cure.

Why does it happen?

It happens because of a gene that fails to turn off. This gene is responsible to form bones in a baby’s body when it is still in the womb. Once the job is done, the job of the gene is to turn off itself. But when this deactivation of the gene doesn’t happen, the gene keeps making bones even after the child is born and ultimately turns a human into a statue made of bone.

Ashley Kurpiel: When Ashley was just 3 years old. Tumours started appearing in her arm. Doctors thought they were cancerous tissues and started taking steps to deal with it. Only when they removed her arm, the doctors realized it wasn’t cancer, it was a horror. They found, she had FOP. She was slowly turning into a statue made of bone.

Harry Eastlack: When he was 5, he broke a leg and then there were other complications while the fracture was being treated. The fracture didn’t set correctly. This made his hip and knee stiff and bone growths started on the muscles of his thigh. The transformation of muscle/tendons to bone started happening in other parts of the body too. By the time he turned 20, his backbone had turned into a single stiff piece of bone. When he was 39 years old and was almost turning 40, his body had turned completely into bone. His jaws were locked and the only part he could move in his body was his lips. Harry died from pneumonia before he could turn 40.

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The Astonishingly Funny Story of Mr. McArthur Wheeler

By Anupum Pant

In a wonderful paper titled “Unskilled and Unaware of it“, two social psychologists from Cornell University, Justin Kruger and David Dunning share an incredibly funny story of Mr. McArthur Wheeler. Although it is funny, the story actually beautifully demonstrates an excellent concept – a kind of cognitive bias (discussed later in the post). Here is the story:

The Story of Mr. McArthur Wheeler

On one fine morning in Pittsburgh (PA), in the year 1995, a man aged 44, known by the name McArthur Wheeler decided to rob a bank. Since he thought he knew a lot about a peculiar chemical property of lemon juice, he decided to smear the juice on his face before executing his plan to rob the bank.
His logic – As lemon juice can be used to write invisible letters that become visible only when the letter is held close to a heat source, he thought, the same thing would work on his face too. By smearing lemon juice all over his face, he thought that his face would become invisible to the security cameras at the bank. He did not just think that, he was pretty confident about this. He even checked his “trick” by taking a selfie with a polaroid camera. I’m not sure if the film was defective, or the camera wasn’t operated properly, but the camera did give him a blank image. The blank image made him absolutely sure that this trick would work. Or he would not have ever dared to rob a bank with lemon juice on his face.

That day, he went on and robbed not one, but two saving banks in Pittsburgh. A few hours after he had done his job, the police got their hands on the surveillance tape and decided to play it on the 11 O’Clock news. An hour later, an informant identified McArthur in the news video and contacted the police with the man’s name. McArthur got arrested on the same day. Ironically, the same surveillance cameras that he was confident would not be able to capture his face, got him behind the bars. During his interaction with the police, he was incredulous on how his ignorance had failed him.

The Dunning and Kruger effect

Both the psychologists Dunning and Kruger got story of Mr. McArthur. They decided to study it more deeply. The psychologists were interested to study about the utter confidence of Wheeler that made him believe he’d be able to foil the security cameras with lemon juice on his face. He had the confidence, but he clearly wasn’t competent enough…Why was he so sure he’d succeed?

Their study finally demonstrated that the less competent an individual is at a specific task, the more likely they are to inflate their self-appraised competence in relationship to that task. This phenomenon is today known as the Dunning–Kruger effect.

As Charles Darwin rightly said:

Ignorance more frequently begets confidence than does knowledge.

Dunning Kruger effect McArthur Wheeler
At zero experience in the x axis it’s not “no nothing”. It’s *Know nothing (There’s a spelling mistake in the image) – ‘On Finch’ mentioned this in comments below.

Indian Idol contestants and the Dunning Kruger Effect

This effect is clearly observed during the auditions of reality shows like Indian idol (etc). The auditions are usually thronged by a variety of good and bad singers. The ones who are bad at it, never realize their incompetence and yet are genuinely disappointed when they get rejected. Often times, they resort to noisy quarrels too.

If you’ve observed carefully, people who aren’t very good at humour or sarcasm often tell poor jokes and expect people around them to laugh hard. But when people don’t laugh, they seem genuinely shocked. It is incredible to see them totally unaware of how bad they are at it.

At every place, it is a common tendency of the least skilled people to have an inflated sense of self-competency.

Ignorance sure is a dangerous thing.

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Chocoholics Have no Fear, Chocolate Pudding Fruit is Here

By Anupum Pant

I’ve heard of all sorts of fruits. But this is something I came across just yesterday and I think it is worth mentioning. I bet you haven’t heard of it too. This fruit is called the Black Sapote (the scientific name is Diospyros digyna, in case you need it) also known as the Chocolate pudding fruit or Black persimmon.

Description: The chocolate pudding fruit or Black sapote (not related to the more common mamey sapote) is an apple sized, olive-green colored fruit found in eastern Mexico and Central America. When ripe, it turns from bright green to a lighter shade of green. At this stage it is plucked and allowed to soften for 3-6 days. After it is allowed to soften, the skin turns brownish and the fruit becomes very soft. Now, when it is cut, a smooth and silky textured brown colored chocolate like pulp is obtained from the inside.

Although Black Sapote is slightly larger, It looks a lot similar to the apple like fruit that grows in the world’s most dangerous tree.

Taste and Recipes: Not that I’ve eaten it. Still it is interesting to know that the fruit might or might not have seeds, is delicious and tastes very close to chocolate pudding. The texture is free from any gains and feels smooth in the mouth like papaya. It is often used as a substitute for chocolate in milkshakes, ice-creams, smoothies and juices to impart a creamy rich chocolate color and flavour. It is also mixed with orange juice and served with cream. Other times it is mixed with wine, brandy, cinnamon and sugar.

Health and Fitness: For chocolate addicts, this fruit is actually very healthy. Mostly because it does not fatten you – it is low in fat. At the same time the fruit is pretty rich in Vitamin C. One fruit is said to normally contain four times as much as Vitamin C as an Orange! I don’t have to tell you that Oranges are known for their Vitamin C content.

I wonder why it doesn’t grow in India. The climate pretty much suits it! Or do you have it in India too?

Article In a sentence: There exists a fruit that goes by the name of Black Sapote or “chocolate pudding fruit”. It  tastes, looks and feels a lot like chocolate pudding, is actually low in fat and has about four times as much Vitamin C as an Orange. [Video]

[More about it]

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5 Visually Incredible Science Experiments You Cannot Miss

By Anupum Pant

Here is a small list of visually incredible science experiments that will keep you visually mesmerized for a couple of minutes. Later, you’ll be left wondering about what you just saw.

The list is a small one, to not overwhelm those avid readers who follow the articles everyday. I think, more than 5 videos, is just too much wonder to take for a single day.
I do have a collection of hundreds of other such incredible experiment videos (in my bookmarks) that I’ll be sharing in the future…probably with the same heading suffixed with “part 2”.

Now without any more delay, here is the list. Have fun and do share if you like them! Ask me in the comments section if you have any questions.

1. Decomposition of Mercury (II) Thiocyanate

2. Liquid Nitrogen + 1500 Ping Pong balls

3. Dry Ice + Water

4. Quantum Trapping / Quantum Locking

5. Flying top

Conan The Bacterium – The World’s Most Toughest Bacterium

By Anupum Pant

I have been a big fan of Tardigrades and the Radiotrophic fungi since the day I found out about them. I’m a fan mostly because these are the kind of creatures that can survive in very different (extreme) kind of settings. For instance, Tardigrades can waddle through the vacuüm of space without getting harmed! (more in the links above).

These are Extremophiles – creatures that can survive extreme heat, cold, dehydration, acidity, or radiation. But Extremophiles have their own abilities and specialties. That means, if they are able to survive one kind of harsh condition, say extreme heat, there is a fat chance that the same organism will have the ability to survive other harsh conditions too. That is not the case with the bacteria we see today…

The badass bacteria beats Tardigrades.

A bacteria that goes by the name Deinococcus Radiodurans enters. It is the king of Extremophiles. Or, you can call it a Polyextremophile (reason below). So, to my list of the most badass creatures, I’m happy to announce that I’m adding a new creature – Conan the Bacterium or Deinococcus Radiodurans (DR).
(If you don’t get it, it is a bacteria nicknamed after the badass barbarian warrior movie – Conan the Barbarian – not after the funny guy on TV – Conan.)

This bacterium is so tough that it is listed in the Guinness Book of World Records as “the world’s toughest bacterium”.

What can it survive? Now what makes it better than Tardigrades or any other known creatures out there, is its ability to withstand all of the extreme conditions at the same time – Polyextremophile. So, if you decide to put it through all of these conditions at the same time –

Vacuum + Zero humidity + 85 degrees C temperature + 500,000 rads of radiation

– it will survive. The most amazing part – it will survive all of it easily. To give you an idea how much 500,000 rads of radiation is, human beings would get cooked (or charred) to death within seconds if they get exposed to that amount of radiation! Yet Conan the bacterium takes it all as if it was nothing, and can still go up to 1,500,000 rads. At those levels, even the molecular structure of glass begins to break down!

Habitat: No one knows where this bacterium belongs naturally. It is found anywhere and everywhere. You might find it in elephant’s dung or in the polar areas of the earth where the environment of earth closely resemble that of Mars.

DNA repair with a twist: Like most other bacteria, DR can repair its own DNA after damage due to extreme amounts of radiation. But, even here, it manages to stand out from the masses (other bacteria). Other bacteria like E.Coli can’t survive, more than two or three major DNA breaks. However, DR can keep on bringing its broken DNA to the original state over and over. And every time, it can stitch back its completely blown DNA bits, in a matter of few hours. There is still a lot to learn about how it manages to do this.

However, the mechanism it uses is certainly different and better from the way other bacteria do it. It doesn’t seem to have any DNA repair genes like other bacteria. And yet it is able to make complete repairs in the DNA with the help of a certain protein.

Data storage: In the future, if we ever wish to make extremely robust storage devices, we could probably learn to store data in this bacteria’s DNA. And then we might never lose data even in the case of a nuclear apocalypse.

[Source 1] [Source 2] [Source 3]

Platypus is a Very Strange Animal!

By Anupum Pant

Background

What would you get if you if you crossed a duck, frog & snake? Hint: It is a mammal and lays eggs!
You’d have one of the most weirdest and mysterious animal, the Platypus.

Knuckles the echinda.pngNote: Unlike what is popularly taught in schools, Platypus is not the “only mammal that lays eggs”. Echidna – Knuckles from Sonic the Hedgehog – is the second kind of mammal that lay eggs.

So, Platypus is considered a strange animal because, it secretive and even today, not everything is known about it. It has a beak that looks like a duck’s beak, it’s feet are webbed like that of a frog’s. Besides that, this cute & cuddly looking creature, found in the Eastern part of Australian fresh waters, uses venom like a snake. But there is more:

Some Incredible things about the Platypus

Firstly, it lays eggs and is not a reptile. It is one of those two mammals which lays eggs.

For up to 3 months the male Platypus stores the eggs in its bill.

They swim underwater with their eyes shut and come out mostly at night.

Venom: They have a sharp and hollow thumbnail (spur) in their hind legs that is venomous. The venom is strong enough to kill a dog (doesn’t kill humans, but is extremely painful). This is used only in self defense. And only males are venomous. I never knew they had venom, but since they are from Australia, I had expected that.

Electrolocation: Under water, they detect electrical signals to find insects, store them behind their bill, come up and then eat them. It uses electrolocation – sees using electricity – Like bats use echolocation.

Under their bill are about 40000 sensors arranged in longitudinal strips. These sensors can detect fluctuations in the surrounding electric field. Even something producing a very minor electric fluctuation at a distance – contractions in the muscles – can be detected by the Platypus.

Sharks do the same and this is the reason they attack and damage our internet cables under the sea.

Mechanical sensors:  Besides that 60000 mechanical sensors (push rods) are used to detect movement in the water. Scientists say that the information from the electrical sensors and mechanical sensors is combined by its brain to calculate the prey’s exact location.

No Nipples: The young ones feed on milk from the mother Platypus. This milk doesn’t come from nipples, it comes from modified sweat glands (not unique to platypus) under its body. It has no nipples.

They can eat their own body-weight in under a single day.

They find it hard to stay underwater because they have a natural buoyancy. Yet, they can use other objects to stay under water for a maximum of 10 minutes. Then they have to come up for air.

Babies: The baby Platypus does not have an official name. Some call it puggle (which is not correct). But the accepted word, “Platypup” can be used.

Pi Day – 31.4 Things About Pi You Probably Did Not Know

By Anupum Pant

“International” Pi day?

Today is pi day. Pi day is celebrated on March 14 at the Exploratorium in San Francisco (March 14 is 3/14) at 1:59 PST which is 3.14159.

Since pi day is today’s date written in the mm.dd (03.14) format, it could not be a pi day for most of you because dd.mm is the format used for writing dates in most countries around the world. In fact, those countries where more than half of the world’s population resides, will never have a pi day because you know, we can’t have a 14th month! Pi day is a valid celebration for people living only in the United States (including the 49th and northernmost state, Alaska and Hawaii of course) and Belize. Everywhere else people get zilch today?

date format map
Only the purple parts in the map use the mm.dd.yy format to write dates

 

Firstly, there is always the pi approximation day, which is celebrated on 22nd July (22/7) and uses the dd.mm format. Talking about March 14th, there is much more to pi day than just the date format itself. Let’s see…

Birthdays

I know, Eugene Cernan – The NASA astronaut who was the last man on the moon, and the one you can hear speaking in a popular Daft Punk Track – is one famous man who was born on pi day, 79 years from now, is an American too.

But guess what? Albert Einstein, one of the most genius men of recent times, was born on pi day too. He was a German born physicist (He did live in the US for more than 15 years and in fact, even took his last breath in New Jersey)

pi day birthdays
Left to Right: Albert Einstein, Gene Cernan and the commander of Apollo 8, Frank Borman, have their birthdays on March 14, Pi Day.

So, you see there is a little bit of pi day for every one around the world today. It is not just an American thing. Now moving on the most amazing things about pi.

Irrational pi

Firstly, pi, unlike what we all are taught in school, isn’t 22/7. 22 divided by 7 is just an approximation of pi – it is only 99.95975% accurate. As we all know, pi is actually the ratio of a circle’s circumference to its diameter. A slightly better approximation of pi would be 104348/33215 – which is 99.99999998944% accurate. But, since it is an irrational number, it can never be written in the form of a fraction.

Exact Value

The exact value of pi is impossible to write in digits because the number of digits needed to write it would be infinite and could never be fit inside the known universe.

To think of it in another way, if you divided the whole universe into the smallest possible volumes (plank volume), you’d end up with a mind bogglingly large number of volumes. Suppose you started writing the digits of pi inside these little volumes, you’d finish up the universe and would be still left with infinite more digits to write.

The Digits of Pi

The latest record for the maximum number of known digits of pi is 12.1 Trillion digits (December 28, 2013), as calculated by Alexander J. Yee & Shigeru Kondo.  They have run out of disk space to store more numbers. Here you can have a look at the first 100,000 digits of pi. And One million digits, if you need more than that.

In these first one million digits, the sequence 12345 occurs 8 times!

The Feynman Point: If you’d like to hear what pie would sound like if you mapped a couple of pleasant sounding notes to each of the digits of pi, try listening to this. If you kept listening for a while and made it till the 762th digit, you’d hear a series of (6 of them) high frequency notes (the ones mapped to the digit nine) that get played continuously. This place in the digits of pi is called the Feynman point where six 9s occur one after another. Isn’t it incredible for six same numbers to be there consecutively in a random irrational number!

Feynman point
The Feynman point – series of six consecutive 9s highlighted in red.

Practically useful pi

Pi can be used in real life to make a couple of things easier. For instance, if you were to find the size of your hat (usually measured in diameters), you’d have a hard time measuring the diameter of your head. This is what you can do to get a good approximation:
Measure the circumference of your head and divide it by π.

Another one trick is used by forest guards: To estimate the height of an elephant the Diameter of an elephant’s foot is multiplied by 2 π.

Pi Jokes, facts and Coincidences

  • It is an impressive coincidence that 3.14 if horizontally flipped, looks like the word “Pie”. You can check this in the mirror.
Pi looks lie pie in the mirror
Pi looks lie pie in the mirror
  • Another one is that, the 16th Greek letter is ‘Pi’ and the 16th letter in the English alphabet is ‘P’.
  • The famous comedian John Evans once made a joke: “What do you get if you divide the circumference of a jack-o’-lantern by its diameter? Pumpkin π.

  • There is a cologne named pi and is sold with the following marketing mantra: “highlighting the sexual appeal of intelligent and visionary men.”
  • The height of the Great Pyramid of Giza multiplied by 2 π is equal to the perimeter of its base.
  • The 90841th place in pi is 122189 – which is also my birth date in the mmddyy format. Find yours here and tell me in the comments below.

Download the PiDay wallpaper here.

Do share with me in the comments, other facts about pi you know and I haven’t covered them here.

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