Internet

Q&A: Home network can cause video delays on Zoom

Q: During Zoom video calls, my screen image follows my actual movements very slowly. If I move my head or speak, there's sometimes a delay of two seconds or more before it happens on my screen. (This didn't happen during ...

Consumer & Gadgets

Two apps to help you locate broadcast towers

I have been having some pixelization on my TV picture in the past week or so, and I finally got frustrated enough to get the ladder out of the garage and climb up on the roof to adjust my antenna.

Software

EPFL researchers put proximity tracing app to the test

Over the past two weeks, EPFL computer scientists have been testing and refining the smartphone-based system developed by the international Decentralized Privacy-Preserving Proximity Tracing project (DP3T), with the help ...

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 ...