Neil deGrasse Tyson @neiltyson
A highly innovative invocation of acoustic physics. [Video: 60 seconds] — PolitiTweet.org
Buitengebieden @buitengebieden_
Saxophone echo play..š· This is Armin Kupper playing at a natural gas pipeline in Germany. š„ YT: Armin Kupper https://t.co/Np86k3gI0p