published on: 2019-05-21 06:27:14
there is freedom in the dark
vintageeveryday: Cool pics that capture inside the ‘60s stores.
compoundchem: Element 29 in our #IYPT2019 series with the Royal
weirdsciencefacts: Flame without gravity
psyfic: Source: https://twitter.com/DAvallone/status/1126280699122671616?s=19
Adieu, Le Grand K: The kilogram to be redefined for the first