@[email protected]M to Science [email protected]English • 19 hours agoHalf as Hotmander.xyzimagemessage-square72arrow-up1624arrow-down117
arrow-up1607arrow-down1imageHalf as Hotmander.xyz@[email protected]M to Science [email protected]English • 19 hours agomessage-square72
minus-square@[email protected]linkfedilinkEnglish3•7 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-square@[email protected]linkfedilinkEnglish2•5 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.