watch this By Casey Chan on at Watch How Scary Fast an Epidemic Would Spread Disease Across the World
design The World's Simplest Speaker is Silkscreened On a Piece of Paper By Kelsey Campbell-Dollaghan on at
gadgets This Goldilocks Mug Would Keep Your Coffee Just the Right Temperature By Andrew Tarantola on at
monster machines This Gigantic German Gun Can Ruin Your Week from 30 Miles Away By Andrew Tarantola on at
