The world remains in a state of shock after spectacular satellite images of an undersea volcano erupting on the island of Tonga left a giant mushroom cloud in the Pacific region. With shocking visuals... continue reading
posted by eric3579 2 years 3 months ago • 42 views • 4:26search results matching tag: Steam
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Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading
posted by newtboy 4 years 4 months 1 week ago • 877 views • 3:16YouTube description: We take a field trip to the 2018 Summer Steam-up, an annual gathering of hobbyists who build and operate model trains with working steam engines! Tested meets up with two model... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months 1 week ago • 335 views • 14:32At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading
posted by Mordhaus 6 years 1 month 2 weeks ago • 406 views • 7:08YouTube description: In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny,... continue reading
posted by Aard Vark (oritteropo) 6 years 2 months 1 week ago • 724 views • 3:34Plywood is a simple material made by glueing together thin sheets of wood, known as veneers or plies. These basic elements have remained broadly the same throughout its history. The most significant breakthrough... continue reading
posted by Mordhaus 6 years 7 months 1 week ago • 1,947 views • 6:44An electrical reciprocating engine using a solenoid instead of a steam cylinder to power the strokes.
posted by Mordhaus 7 years 6 months 4 weeks ago • 31 views • 5:30- 1