Fuel Cells (Jul. 2005)

Hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon? Watch now (14 mins.)

Kinetic Sculptor (Jan. 2005)

Artist and self-taught engineer Arthur Ganson describes the process he uses to create his sculptures in motion. Watch now (4 mins.)

Lab Meat (Jan. 2006)

Scientists can grow edible meat in culture from a few animal cells. Bon appétit? Watch now (2 mins.)

Profile: Cynthia Breazeal (Nov. 2006)

A daring engineer designs robots to communicate and interact the way people do. Watch now (13 mins.)

Profile: Naomi Halas (Apr. 2005)

Naomi Halas is a pioneering nanotechnologist bent on seeing practical applications for her work—and soon. Watch now (8 mins.)

Profile: Karl Iagnemma (Oct. 2006)

An innovative MIT roboticist is also an acclaimed fiction writer. Watch now (10 mins.)

Profile: James McLurkin (Jan. 2005)

James McLurkin of MIT is one of the world's leading designers of robot "swarms"—groups of robots that work together for a greater purpose. Watch now (10 mins.)