Smallest-ever optical switch revolves around one atom
It's actually smaller than the light beam it needs to work.
Disney's robot car drives up walls
The VertiGo doesn't stop just because you've run out of ground.
Tiny microscope lets you see the smallest-ever inkjet prints
Scrona's phone-controlled uPeek can zoom into just about anything, including a record-setting inkjet print.
Scientists create gold nuggets that are 98 percent air
"Gold aerogel" is 1000 times lighter than natural gold but indistinguishable to the naked eye.
Four-legged bot uses drone sidekick to avoid rough terrain
These robots team up like a mechanized Banjo Kazooie
ICYMI: Drone architects, radar attachment for phones & more
Drones are programmed to construct bridges a human can actually cross, and it works! That and more on ICYMI.
Watch these drones build a rope bridge
The researchers involved say that this experiment "acts as a demonstrator" and is the first effort showing that diminutive air-borne drones are able to build load-bearing structures at full scale.
Watch a four-finned robot fish swim in any direction
There's now at least a few robots that swim like fish, but they have their limits: they still take...
Your smartphone is changing the way your fingers work
Your smartphone is changing more than just your habits -- it's changing the way your hands work, t...