If you have an interest in audio there are plenty of opportunities for home construction of hi-fi equipment. You can make yourself an amplifier which will be as good as any available commercially, and ...

There aren't many headphones that started life in hospital, but then Audeze's CRBN2 electrostatic headphones aren't like other headphones. They're built around a cutting-edge material made from ...

What if the very principles that have powered industry for over a century were suddenly turned on their head? For decades, electromagnetic motors—reliant on copper windings and rare earth magnets—have ...

The new QUAD ESL 2812X are 107cm high, while the ESL 2912X are 40cm taller. They are finished in a matt-black steal design. One of the most exciting audio brands for me at the moment is QUAD. It’s ...

The original version of this story appeared in Quanta Magazine. Imagine, for a moment, that you’re a honeybee. In many ways, your world is small. Your four delicate wings, each less than a centimeter ...

Whether you're a casual gardener or someone who needs to disinfect surfaces frequently for their actual job, you may have encountered the need for a sprayer at some point. In the past, all kinds of ...

Ferroelectric fluids use a strong transverse electrostatic force to climb 80 mm, enabling lightweight, low-voltage motors and compact energy-efficient actuators. (Nanowerk News) Researchers have ...

One of the projects at the recent Hacker Hotel hacker camp in the Netherlands appeared to have achieved the impossible. A vertical PCB surface was holding pieces of paper as though they were pinned to ...

Electrostatic precipitators (ESPs) have been used for over 100 years to remove entrained solid particulates or fine mists from gas flows in the power, cement, metal production, paper, and other ...

Car hi-fi speakers are heavy, bulky and wasteful of power. Packaging the speakers in the doors or dash is a headache. So is getting rid of the heat they generate. Now imagine a speaker that isn’t a ...