Ultrasonic levitation — the practice of ... There was some work in adjusting the frequency to the transducer resonance, but that’s not a huge challenge given the right instrumentation.

State-run electronics company Keltron has been awarded a contract to design and manufacture 336 low frequency ultrasonic transducer elements for the Vietnamese Navy, Kerala Industries Minister P ...

In fact, why wait? If you notice even one mouse, it’s time to take action before it becomes many mice. Manufacturers of ultrasonic mice repellers make a lot of claims about these devices. They promise ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (March 2025) that make the cut: ...

A waterproof Bluetooth speaker is a versatile audio device that can be more useful than you might expect. Products like the Beats Pill and JBL Xtreme 4 are perfect for adding music to pool parties ...

Either way, any outdoor activity becomes less fun when you’re wet and chilled. Luckily, there’s a wide variety of waterproof and water resistant gear out there. But what are the real pros and cons ...

But what do those ratings really mean and, crucially, how waterproof is your expensive new phone? Let's break down the jargon and find out. Ingress protection ratings (also known as ...

With apologies to the first lady of song, the late great Ella Fitzgerald, that sums up fish-finder performance. The world’s finest sonar is useless without a transducer that pings and receives the ...

In the arena of outdoor speakers, few models come close to the might of the JBL Charge 5. The Award-winning Charge 5 is even more durable and hardwearing than the four Charges that came before it, and ...

If the British weather and gloomy start to the year have you googling 'waterproof trainers', know you're not alone. Between drizzly afternoons, sudden lunchtime downpours, damp mornings and ...

Feb. 21, 2025 — Researchers have investigated how microbubbles tiny gas bubbles can deliver drugs into cells in a targeted manner using ultrasound. For the first time, they have visualized how ...