TED Ed

AI Economics of AI Future

How will AI change the world?

This video is from TED-Ed. In the coming years, artificial intelligence is probably going to change your life— and likely the entire world. But people have a hard time agreeing on exactly how AI will affect our society. Can we build AI systems that help us fix the world? Or are we doomed to a […]

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Mathematics

Why Can’t We Divide by Zero?

I’ve often wondered why this rule of mathematics has withstood the test of time: don’t divide by zero. In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple […]

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Space

Are Scientists Actually Building an Elevator to Space?

Explore the physics behind space elevators, which would theoretically use a cable anchored to Earth and extending into space. Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential catastrophe. So in the space race of the 21st century, some engineers are abandoning rockets for something more exciting: elevators. […]

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