#shorts

View full lesson: http://ed.ted.com/lessons/exploring-other-dimensions-alex-rosenthal-and-george-zaidan

Imagine a two-dimensional world -- you, your friends, everything is 2D. In his 1884 novella, Edwin Abbott invented this world and called it Flatland.…

The Klein bottle is a shape that people often say is related to 4D space, but how is it related?

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⦿ 4D Toys Video: http://youtu.be/0t4aKJuKP0Q
⦿ 4D Toys for iOS: http://4dtoys.com/ios
⦿ 4D Toys for…

History's first known periodic comet Halley (1P/Halley) returns to the inner Solar System every 75 years or so. The famous comet made its last appearance to the naked-eye in 1986. But dusty debris from Comet Halley can be seen raining through planet Earth's…

These are the molecular machines inside your body that make cell division possible. Animation by Drew Berry at the Walter and Eliza Hall Institute of Medical Research. http://wehi.tv

Special thanks to Patreon supporters:
Joshua Abenir, Tony Fadell, Donal…

wehi.tv DNA animations 2002-2014
Edit created for V&A exhibition "The Future Starts Here" (2018)

No: narration
Yes: sound + text

Language courses that make you think. Zero ads, purchases, or subscriptions.

View full lesson: http://ed.ted.com/lessons/making-sense-of-spelling-gina-cooke

What can spelling tell us about relationships between words? While spelling may sometimes seem random or unexpected, this lesson illuminates how peeling back the layers of spelling…