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?
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Frank
- December 8, 2021
- anchor point
- animation
- astronauts
- carbon nanotubes
- centrifugal acceleration
- centrifugal force
- climbers
- Education
- elevator counterweight
- engineering
- fabio pacucci
- falcon 9 rocket
- geostationary orbit
- gravitational pull
- gravity
- Konstantin Tsiolkovsky
- nanotube chains
- Physics
- Rockets
- space elevator
- space elevator counterweight
- space elevators
- space travel
- SpaceX
- TED
- TED Ed
- Ted Education
- TED-Ed
- TedEd
- Tjoff Koong Studios
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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