Veritasium
Rob Westrick: Elekta is a leading manufacturer of linear accelerators used in radiation oncology in the treatment of cancer. Our equipment is used to treat over a million patients a year. We are the...
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bjbj Hello everyone! I'd like to show you something I've made. I call it a prototype PIP-Boy two thousand plus. It has this eight position knob and a little speaker right here...
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The problem with Facebook is that it's keeping things from you. You don't see most of what is posted by your friends or the pages you follow. Now pages can be business or they can be...
Dear subscribers, there are over 250,000 of you now, a critical mass at a critical time. We have the cumulative potential to impact global education. I've been assembled and given a voice for...
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Sometimes the simplest questions have the most amazing answers. Like how can trees be so tall? It's a question that doesn't even seem like it needs an answer. Trees just are tall. Some...
The ancient Greeks had a great idea: The universe is simple. In their minds, all you needed to make it were four elements: earth, air, fire, and water. As theories go, it's a beautiful one. It...
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The temperature of regular stuff is basically just a measurement of jiggliness of the atoms and molecules that make that stuff up. More jiggling, higher temperature. Less jiggling, lower temperature....
This is a water jet pack... but no, that's not me flying it. This is me. It's harder than it looks, ok? But to understand how it works, we need to first talk rocket science. Rocket...
If you take a piece of wood and put it next to another piece of wood... nothing happens. And if you take a piece of granite and put it next to another rock... still nothing. But if you take this piece...
Ceci représente la Terre. Et ça c'est... A votre avis ? - La lune ...? - Oui. Donc, notre premier challenge est: Quelle distance les séparent ? Approximativement. - A peu près ... Cette...
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