The European hedgehog (Erinaceus europaeus) has a natural defense that has served it well for millennia: it rolls into a ...

The bottom line? They just don’t work.

An ultrasonic knife is a blade that vibrates a tiny amount at a high frequency, giving the knife edge minor superpowers. It gets used much like any other blade, but it becomes far easier to cut ...

Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

Uncover the truth about ultrasonic pest repellers. We delve into scientific studies and FTC warnings to see if these devices ...

Move over lithium-ion batteries – researchers found a creative way to combine materials (lithium metal and a ceramic surface) ...

Seattle Ultrasonics, a Seattle-based manufacturer of household knives, has developed an 'ultrasonic knife' that emits ultrasonic waves that are barely noticeable at the touch of a button, allowing you ...

Ultrasonic nondestructive testing, also known as ultrasonic NDT or simply UT, is a method of characterizing the thickness or internal structure of a test piece using high-frequency sound waves. The ...

The C-200 pulses a mind-boggling 40,000 per second, requiring 50% less force to slice through meat and produce. David lives in Brooklyn where he's spent more than a decade covering all things edible, ...

The OnePlus 15T launches in China on Tuesday and the company’s sleek new flagship now has a biometric sensor that puts it on ...