Donkey Kong Bananza's destructible terrain is one of its best features, but it also makes tracking down every last collectible all the more daunting. Now that items can be hidden beneath the ground ...

Prototype smart glasses can track people’s eye movements using a technique similar to sonar, an approach that uses 95 per cent less power than other methods. Virtual reality headsets like Apple Vision ...

In Ukraine’s ongoing fight against aerial threats, a new tactic is emerging: the use of sonar to detect and track drones. This video explains how the technology works, why it’s being adapted for ...