Robotics

A simple technique allows robots to recognize touch and proximity

Researchers at the University of Hertfordshire have recently proposed an easy and configurable technique that enhances a robot's ability to perceive and interact with people in its surroundings. Their technique, presented ...

Engineering

Crowd counting through walls, with WiFi

Researchers in UC Santa Barbara professor Yasamin Mostofi's lab have given the first demonstration of crowd counting through walls using only everyday communication signals such as WiFi. The technique, which requires only ...

Security

Choose better passwords with the help of science

For years, computer users have been told they should have complicated passwords, including numbers, punctuation marks and other symbols, and upper- and lowercase letters. Despite those being hard to remember, people were ...