Bernd 01/09/2023 (Mon) 10:36 No.49613 del
Video relevant:
https://invidious.snopyta.org/watch?v=69dDpKmxJcM
Old telly broadcast for kids. Prof doing experiments for kids, practical demonstrations from the field of physics. At 2:25:30 he runs a rocket on a wire, propelled by a carbonic acid cartridge. The intro for it starts a bit earlier, but it's in Hungarian.