Featured by Cari Beth Head
Meet the Artificial Muscle Man
Yoseph Bar-Cohen's innovations are revolutionizing muscles, medicine and missions to Mars.
Asteroids: Blinded by the Light
Lasers may one day be our first line of defense for finding and fighting asteroids.
How the Pros Do Digital
Digital photography has revolutionized how professional photographers and photojournalists capture and document the world around us. Popular Science talked to three award-winning photographers about their switch to digital.