Materials Science
The Mystery of Water Drops That Skate Across Oil at Impossible Speeds
The speed of these self-propelling droplets on a hot-oil surface seemed to defy physics until researchers broke out the super-slow-motion camera.
Stories by Sarah Vitak
Microbiology
Inside Millions of Invisible Droplets, Potential Superbug Killers Grow
New research has created microscopic antibiotic factories in droplets that measure a trillionth of liter in volume.
Engineering
New 3-D-Printed Material Is Tough, Flexible—and Alive
Made from microalgae and bacteria, the new substance can survive for three days without feeding. It could one day be used to build living garments, self-powered kitchen appliances or even window coverings that sequester carbon...
Electronics
Smartphones Can Hear the Shape of Your Door Keys
Can you pick a lock with just a smartphone? New research shows that doing so is possible.
