Smarter Every Day shows us that a helicopter can land without an engine.
Can You Land a Helicopter Without Engine Power?
Checkout these cool gadgets...
Related Posts
An Asteroid Didn’t Kill the Dinosaurs, Here’s a New Theory About What Did
Why Does the Earth’s Magnetic Field Keep Flipping?
How F1 drivers calculate what speed to take a corner
Xenotransplantation: When People Get Animal Parts
Massive Blackhole Death Ray
