Quantum thermal transistor can control heat currents

(Phys.org)—Researchers have designed a quantum thermal transistor that can control heat currents, in analogy to the way in which an electronic transistor controls electric current. The thermal transistor could be used in ...

Yamaha-frame bike with scuba tank makes Dyson shortlist

(Phys.org)—Look what an Australian designer would like us to roll with in a no-emissions future: A motorcycle powered by nothing but air. Adding to a growing portfolio of ideas centered around compressed-air engines, this ...

Ex-MIT company rethinks power-feasting amplifiers

(Phys.org)—Technologists generally agree that power amplifiers have proven to be inefficient pieces of hardware. Turning electricity into radio signals, they eat into the battery life of smartphones and they waste power. ...

Europe saw warmest summer on record in 2021

Scientists say last summer was the hottest summer on record in Europe, with temperatures a full 1 degree Celsius (1.8 degrees Fahrenheit) higher than the average for the previous three decades.

page 1 from 24