Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, ...

CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...

A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background has been demonstrated by researchers at the University of Bristol, UK. The ...

The science-fiction film Project Hail Mary sees Ryan Gosling go to space in a state of suspended animation. But does the science suggest that’s possible? If you're enjoying this article, consider ...

Researchers report that lab tests of a new metasurface-based antenna that can harvest 100 microwatts of power, enough to power simple devices, from low power radio waves. This represents an important ...

Think about how easily you recognize a friend in a dimly lit room. Your eyes capture light, while your brain filters out ...

Build for monitoring, buy for safety.

It's pretty accurate, too.

Michelle is a lead editor at Forbes Advisor. She has been a journalist for over 35 years, writing about insurance for consumers for the last decade. Prior to covering insurance, Michelle was a ...