fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 18 hours agoHalf as Hotmander.xyzimagemessage-square68fedilinkarrow-up1578arrow-down114
arrow-up1564arrow-down1imageHalf as Hotmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 18 hours agomessage-square68fedilink
minus-squarenot_woody_shaw@lemmy.worldlinkfedilinkEnglisharrow-up3·6 hours agoIt’s a room made from platinum-iridium, and kept in a triple-locked vault at the International Bureau of Weights and Measures in France.
minus-squaregrozzle@lemm.eelinkfedilinkEnglisharrow-up2·4 hours agounfortunately, opening the door changes the temperature, so in practice instruments are calibrated from copies of the room built at other metrology institutions around the world.
It’s a room made from platinum-iridium, and kept in a triple-locked vault at the International Bureau of Weights and Measures in France.
unfortunately, opening the door changes the temperature, so in practice instruments are calibrated from copies of the room built at other metrology institutions around the world.