Comfort food in space: the final frontier | ideas.ted.com | Illustration by John Holcroft.

The past, present and future of food in space — from astronaut ice cream to “Enchilasagna” on Mars.

The next food revolution | ideas.ted.com

Activist chef Jamie Oliver talks about the future of food.

Autonomous flying machines meet the entertainment industry. Whimsy and delight ensue.

Ready to match wits with a 19th-century student? Read on.

TED’s presented our share of near-misses and might-never-happen tech demos — including, depending on how you count, at least 5 flying cars.

littleBits Remote Pet Feeder

littleBits founder Ayah Bdeir wants you to snap the internet to anything you want.