
NASA @NASA
🥶 Cooling atoms to a billionth of a degree above absolute zero? No problem for the @Space_Station's Cold Atom Laboratory. Atomic physicist Ethan Elliott explains how it helps us understand the universe in a new episode of our #GravityAssist podcast: https://t.co/D1rNOfJPY9 https://t.co/EhDwWhCopl — PolitiTweet.org