Featured in Technology

This drone knows precisely where to drop a life-saving raft
Floating whirligig microchips could help us monitor nature without leaving a trace
Kitty Hawk’s electric airplane will fly you around—with no pilot
Can you really use foil to fireproof your house?
All the ways to use a Fitbit for sleep tracking
How glassblowers turn silica, soda ash, and lime into stunning works of art
How to share a FaceTime link with anyone, even an Android user
This heavy-lift drone could quietly carry a sub-hunting torpedo
PayPal will now pay you interest, and offer other bank-like features
The new issue of PopSci is full of bright young peeps