Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

A coffee educator shares the ideal brewing balance of water and coffee, plus other factors that affect the final flavor.

Physicists have found a way to redistribute uncertainty in quantum measurements, paving the way for ultra-sensitive ...

That is why I decided to design and build my own Professional Holster for Digital Calipers — the mwig version. A holster that ...

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 ...