Based on federal safety guidelines, we outline four important but easy steps to ensure the safe operation of your portable ...

Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...

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 ...

Autocar India’s lab tests confirm that 100-octane petrol contains no ethanol, while all other fuels have 20 percent. Tap to ...