The tiny critter is controlled using lasers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Engineers have developed the world's tiniest ...

Ommetaphobics, look away. If the idea of something touching your eye makes you a bit queasy, you certainly won’t like a medical innovation involving a robot, a needle, and your retinal vein. All the ...

This nearly autonomous medical robotic system uses ultrasonic imaging to locate a suitable forearm vein, then inserts a needle at the critical angle and distance, and finally draws a sample of blood.