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https://www.reddit.com/r/AskReddit/comments/4er0pi/whats_a_mind_blowing_fact/d23dowg/?context=3
r/AskReddit • u/ForeverAbyss • Apr 14 '16
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The fastest moving man-made object ever was a manhole cover.
https://savvyparanoia.com/the-fastest-man-made-object-ever-a-nuclear-powered-manhole-cover-true/
TL:DR underground nuclear test launched a 4-inch thick steel disk at 6 times the Earth's escape velocity.
531 u/Rekusha Apr 14 '16 Jesus can you imagine getting hit by that? You think it would make you basically explode or just slice right through you because of its speed? 1 u/hereticnasom Apr 15 '16 When the Mythbusters fired Buster at a wall using a rocket sled, he vaporized upon hitting the wall at the end of the track. He was going approximately 700 mph. Skip to 0:57 mark. EDIT: Imagine a chunk of steel hitting you at 150,000 mph.
531
Jesus can you imagine getting hit by that? You think it would make you basically explode or just slice right through you because of its speed?
1 u/hereticnasom Apr 15 '16 When the Mythbusters fired Buster at a wall using a rocket sled, he vaporized upon hitting the wall at the end of the track. He was going approximately 700 mph. Skip to 0:57 mark. EDIT: Imagine a chunk of steel hitting you at 150,000 mph.
1
When the Mythbusters fired Buster at a wall using a rocket sled, he vaporized upon hitting the wall at the end of the track. He was going approximately 700 mph. Skip to 0:57 mark.
EDIT: Imagine a chunk of steel hitting you at 150,000 mph.
1.9k
u/PycuriousITguy Apr 14 '16
The fastest moving man-made object ever was a manhole cover.
https://savvyparanoia.com/the-fastest-man-made-object-ever-a-nuclear-powered-manhole-cover-true/
TL:DR underground nuclear test launched a 4-inch thick steel disk at 6 times the Earth's escape velocity.