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These penny-size ultrasonic tags ditch batteries and silently turn everyday objects into private smart home trackers

Most smart home devices require power one way or another. You have to plug them in, recharge them, or replace their batteries ...

Robotic fish prototype cuts aquaculture stress while inspecting nets and water

The Centre for Research in Robotics and Underwater Technologies (CIRTESU) at the Universitat Jaume I in Castelló has ...