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 ...

Believe it or not, adding a pinch of this, a handful of that, and a dash of “the good stuff” all counts as “measuring” your food; even if the unit of measurement is unique to you. There’s nothing ...

Cells are crowded with proteins and nucleic acids. A new study measures subcellular densities across organisms to uncover how ...