Ultrasonic

3 Articles
Hackers could use smartwatches to eavesdrop on air-gapped computers via ultrasonic signals
Tech

Hackers could use smartwatches to eavesdrop on air-gapped computers via ultrasonic signals

Illustration of the attack model. A programmer working in front of a highly secure or air-gapped computer wears a smartwatch on their wrist....

Ultrasonic deep drawing cuts friction by 20%, extends tool lifespan
Tech

Ultrasonic deep drawing cuts friction by 20%, extends tool lifespan

by Andreas Hemmerle, Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU Ultrasonic deep drawing makes the difference: with a drawing ratio of 2.3 and vibration...

Ultrasonic method aids bridge safety monitoring
Tech

Ultrasonic method aids bridge safety monitoring

Credit: Unsplash/CC0 Public Domain Reinforced concrete structures are subjected to significant loads. These structures must endure the weight and vibrations from high-speed and...