Hofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 5 months agoFictionalfeddit.orgimagemessage-square9linkfedilinkarrow-up12arrow-down10
arrow-up12arrow-down1imageFictionalfeddit.orgHofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 5 months agomessage-square9linkfedilink
minus-squarejumperalex@lemmy.worldlinkfedilinkEnglisharrow-up0·5 months agoNot arbitrary. Since 2019, the meter has been defined as the length of the path traveled by light in vacuum during a time interval of 1/299792458 of a second, where the second is defined by a hyper-fine transition frequency of caesium. https://en.wikipedia.org/wiki/Metre
minus-squareverdare@piefed.blahaj.zonelinkfedilinkEnglisharrow-up1·5 months agoI mean, that is pretty arbitrary. The reason the divisor is that specific constant is because we already had meters before we knew the speed of light.
Not arbitrary.
https://en.wikipedia.org/wiki/Metre
I mean, that is pretty arbitrary. The reason the divisor is that specific constant is because we already had meters before we knew the speed of light.