SciencefromBig Think22 hours agoHow the "meter" came to be exactly one meter longLength standards evolved from body-based units to pendulums, bars, atomic wavelengths, and today the meter equals light travel in 1/299,792,458 second.
OMG sciencefromArchDaily6 months agoGUM Metrology Campus / BDM'AGUM's new campus is designed to enhance Poland's position in global metrology.