BBCNEWS Click - Short Edition January 29, 2022 03:36:00
So this mostly turns to dust as it hits the end of the tunnel. oh, my gosh. dramatic music now, where were we? oh, yeah! 500 miles an hour. so now youre going about as fast as a jet. the actual projectiles and the spinning arm are made of carbon fibre — pretty much the only substance that can withstand the forces involved. 700 miles an hour. and in order to spin up to nearly 1,000 miles an hour today, this entire chamber needs to be a near vacuum, and thats why we can hardly hear anything. sys...
Source: archive.org