Tag Archive: TED-Ed

Aug 09 2015

TED-Ed: Mansa Musa, one of the wealthiest people who ever lived

Researchers from MIT’s Department of Mechanical Engineering have designed an interface that takes advantage of a human’s split-second reflexes allowing a humanoid to maintain its balance and complete tasks. (Learn more: ) Video: Melanie Gonick/MIT Additional footage courtesy of the researchers  

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Jun 23 2015

TED Ed: Football physics: The “impossible” free kick

This episode of TED Educational feats the 1997 Brazilian football player Roberto Carlos who set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and soared into the …

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Jun 20 2015

TED Ed: Will future spacecraft fit in our pockets?

In this TED Education animated video short, we are presented with the ion drive and a future of smaller spacecraft – making for a cheaper and more efficient way of exploring space. When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next …

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Jun 20 2015

TED Ed: How to make a mummy

In this TED education animated video short, we get to see how a mummy is, or rather, was, made. As anyone who’s seen a mummy knows, ancient Egyptian priests went to a lot of trouble to evade decomposition. But how successful were they? Len Bloch details the mummification process and examines its results thousands of …

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May 22 2015

TED Ed: How batteries work

Batteries are a triumph of science—they allow smartphones and other technologies to exist without anchoring us to an infernal tangle of power cables. Yet even the best batteries will diminish daily, slowly losing capacity until they finally die. Why does this happen, and how do our batteries even store so much charge in the first …

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Jan 29 2015

TED Ed: How do vaccines work?

The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive process work? Kelwalin Dhanasarnsombut details the science behind vaccines.  

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Jan 08 2015

TED-Ed: The benefits of a good night’s sleep

It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in a …

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Dec 06 2014

TED Ed: How a wound heals itself?

Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the epidermis and into the dermis to investigate this regenerative response. Lesson by …

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Oct 28 2014

TED Ed: Could comets be the source of life on Earth?

While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino acids, the building blocks of life on Earth. Justin Dowd explores the implications of this magnificent discovery.  

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Oct 17 2014

TED Ed: Schrödinger’s cat: A thought experiment in quantum mechanics

Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel …

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Oct 12 2014

TED Ed: How to build a fictional world

Why is J.R.R. Tolkien’s Lord of the Rings trilogy so compelling? How about The Matrix or Harry Potter? What makes these disparate worlds come alive are clear, consistent rules for how people, societies — and even the laws of physics — function in these fictional universes. Author Kate Messner offers a few tricks for you, …

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Oct 10 2014

TED Ed: Light seconds, light years, light centuries: How to measure extreme distances

When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine the distance of objects several billion light years away from Earth. Lesson by Yuan-Sen Ting, animation …

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Jul 26 2014

TED Ed: How sugar affects the brain

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine — an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets …

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Jul 19 2014

TED-Ed: Lieven Scheire| How quantum mechanics explains global warming

You’ve probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit of quantum physics to describe the science behind global warming. Lesson by Lieven Scheire, animation by STK Films.  

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Jul 13 2014

TED-Ed: A guide to the energy of the Earth – Joshua M. Sneideman

Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our planet, from the sun to our food chain to electricity and beyond. Lesson by …

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May 20 2014

TED Ed: The cancer gene we all have

Within every cell in our body, two copies of a tumor suppressor gene called BRCA1 are tasked with regulating the speed at which cells divide. Michael Windelspecht explains how these genes can sometimes mutate, making those cells less specialized and more likely to develop into cancer. Lesson by Michael Windelspecht, animation by Zedem Media.  

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May 11 2014

TED Ed: The science of attraction

Romantic chemistry is all about warm, gooey feelings that gush from the deepest depths of the heart…right? Not quite. Actually, the real boss behind attraction is your brain, which runs through a very quick, very complex series of calculations when assessing a potential partner. Dawn Maslar explores how our five senses contribute to this mating …

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Apr 27 2014

TED Ed: How tsunamis work

The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph — a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future. Lesson by Alex Gendler, animation …

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Feb 13 2014

Ted Ed: What percentage of your brain do you use?

Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved to use the least amount of energy while carrying the most information possible — a feat that requires the entire brain. Richard E. Cytowic debunks …

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Feb 08 2014

TED Ed: Why is glass transparent?

If you look through your glasses, binoculars or a window, you see the world on the other side. How is it that something so solid can be so invisible? Mark Miodownik melts the scientific secret behind amorphous solids. Lesson by Mark Miodownik, animation by Provincia Studio.

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