fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 12 days agoHalf as Hotmander.xyzimagemessage-square110fedilinkarrow-up1800arrow-down124
arrow-up1776arrow-down1imageHalf as Hotmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 12 days agomessage-square110fedilink
minus-squarenot_woody_shaw@lemmy.worldlinkfedilinkEnglisharrow-up5·11 days 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-up3·11 days 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.