fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 months agoHalf as Hotmander.xyzimagemessage-square109fedilinkarrow-up1781arrow-down124
arrow-up1757arrow-down1imageHalf as Hotmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 months agomessage-square109fedilink
minus-squarenot_woody_shaw@lemmy.worldlinkfedilinkEnglisharrow-up5·2 months 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-squarecartoon meme dog@lemm.eelinkfedilinkEnglisharrow-up3·2 months 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.