If Birds Can Perch, Why Can't Drones?

Alongside the Space Race, the mid-1900s saw another contest of engineering -- a race downward, into the Earth. Learn why the USSR created the Kola Superdeep Borehole (the deepest artificial or natural hole we know of), what we learned from it, and how this research continues in t ...  Show more

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this classic episode of BrainStuff, based on this article: https://recipes.h ...  Show more

S2 Ep 27. The amazing agility of a dragonfly leads to the creation of a new spy drone. Their four wings can move independently of each other, enabling them to fly forwards, backwards, sideways, up and down and suddenly stop and hover like a helicopter. This caught the attention o ...  Show more

What if you could design a spy plane that could be flown remotely and hover in the sky for hours, providing reconnaissance for troops on the ground? In the early 1980s, the visionary inventor Abe Karem begins building drones out of his L.A. garage. Soon, the Pentagon and the CIA ...  Show more

What if you could design a spy plane that could be flown remotely and hover in the sky for hours, providing reconnaissance for troops on the ground? In the early 1980s, the visionary inventor Abe Karem begins building drones out of his L.A. garage. Soon, the Pentagon and the CIA ...  Show more

Up in the Air: How long can a bird stay in the air? How about an airplane? From human flight to the future of laser-powered drone aircraft, the answers may surprise you in this episode of Stuff to Blow Your Mind. And be sure to click here for a mini-gallery of birds and planes ...