Featured in december 2013
A 3-D Printed, Hand-Cranked Computer
And what that computer can teach us about modern machines
A Toy Box That’s Opened By A Kid’s Fingerprint
Starting 'em young on biometric scanning.
Make An LED Holiday Light Out Of Pennies
And a lemon, and some other stuff. But mostly pennies.
How To Get Rid Of Animal Testing
From chimp to chip
What We Can Learn About A Whale From Its Earwax
A lot, actually
A Family Built This Museum-Quality Curiosity Rover
You can barely tell the difference between it and the real thing.
FYI: What’s The Most Durable Way To Store Information?
1. Engrave it on a piece of platinum. 2. Bury the platinum in the desert.
How To Ship A 17-Ton Magnet
Across the entire country
Greatest Hits From The Popular Science #CrowdGrant Challenge
A few reader-submitted projects we loved.
How Scientists Are Learning To Shape Our Memory
The next treatment for trauma could be spotless minds.