Dropping hot charcoal into liquid oxygen

Published 11 years ago in Science

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Blackstone oil engine startup

Published 10 years ago in Awesome

1909 10HP Blackstone oil engine was used for pumping water from a river to a market garden. The engine was sabotaged in the 1920s by someone blowing up the cylinder with explosives. A new cylinder was installed and the engine was returned to service for a number of years when it …
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The fastest way to tie a tie

Published 10 years ago in Awesome

• 3714 views
• 9 comments
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Bed Time Simba

Published 12 years ago in Animals. Submitted by samxgx

• 4566 views
• 10 comments
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Amazing rocket propelled helicopter

Published 10 years ago in Awesome. Submitted by Geekster

• 2938 views
• 7 comments
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