Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...
IEEE Spectrum on MSN
How to Measure Nothing Better
Cold atoms could also potentially measure much lower vacuum pressures than ion gauges can. The current lowest pressure they’ve reliably measured is around 10 -9 Pa, and NIST scientists are working on ...
The Family Handyman on MSN
Decode Your Multimeter with a Complete Must-Know Guide to Multimeter Symbols and Their Meanings
When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.
The DS18B20 is a one-wire temperature sensor. The original DS18B20 is manufactured by Analog Devices, Maxim or Dallas Semi. Other companies manufacture functionally similar pin-compatible temperature ...
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