When high-voltage electricity breaks out in open air, it rips through the atmosphere, forming chaotic, branching fingers of electric plasma. These electrical arcs are difficult to control. They branch ...

Speakers in almost all earbuds, headphones, and large sound systems use 100-year-old technology built from magnets, coils, and vibrating membranes to make sound. A five year old audio startup is ...

Cypress, a solid-state MEMs speaker from xMEMS Labs, replaces legacy push-air sound reproduction with ultrasonic amplitude modulation transduction. Using this principle, Cypress turns ultrasonic air ...

The last two decades have seen substantial improvements in ultrasonic plastic-welding machines. Bench-top models feature proportional-valve controls, linear encoders, line-voltage regulation, internal ...

You have found the perfect patient for your first premium presbyopia-correcting IOL: She has the proper expectations, she is easygoing, has minimal astigmatism, is a lifelong hyperope and currently ...

Researchers from the Laboratory for Industrial and Medical Ultrasound of M.V. Lomonosov Moscow State University, in cooperation with colleagues from the University of Washington, have developed a ...

Floating world: a 3D globe created by the University of Sussex display. (Courtesy: Eimontas Jankauskis) An ultrasound-powered, 3D visual display that can also produce audible sound and holograms that ...