199 Chemtrails causing COVID- interesting 🤔 (rumble.com) ✈️ Planes of DEATH ✈️ posted 2 years ago by Splinter777 2 years ago by Splinter777 +203 / -4 97 comments share 97 comments share save hide report block hide replies
Bricks. No. The compression wave travels at the speed of sound in the brick material. No such thing as a perfectly rigid material. Standard physics. That's my field.
I am not talking about sound propagation through a solid medium. Like I said, if you can't grasp it, leave me alone.