Without causing alarm, it’s crucial to understand the importance of monitoring radon levels, especially as awareness of its ...

If you want to measure humidity (and temperature, and maybe even barometric pressure) in a device that you’re building, have a look at this comprehensive test of seven different options.

Dropped from aircraft, the dropsonde, a small, single-use instrument, measures and transmits atmospheric data, including temperature, humidity, and wind speed, as it falls. The new dropsonde ...