RT drstacigruber "RT neiltyson: His passing has left an intellectual vacuum in his wake. But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure. Stephen Hawking, RIP 1942-2018. https://t.co/OPvNrcHgC0"
Embed code not available
from Twitter https://twitter.com/Kenlenkirk
Comments
Post a Comment