No ears, no problem. The tobacco hornworm caterpillar, a common garden pest, can actually detect airborne sound via ...

Nature’s most impressive conversations happen at frequencies we cannot hear. While humans perceive sounds between 20 and ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t ...

We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...

The Kefine Quatio maintains a controlled and smooth treble response that avoids harsh peaks or sibilance. While it does not ...