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Topic: hydraulics
Will there ever be a mile-high skyscraper?
In 1956, architect Frank Lloyd Wright proposed a mile-high skyscraper, a building five times as high as the Eiffel Tower. While this massive tower was never built, today bigger and bigger buildings are going up around...
Water powered hammer (Monjolo) – Primitive Technology
For farmers, millers, engineers, and artisans who live near a river or stream, a monjolo or kara-usu—a water powered hammer—can slowly grind grains into flours or soft stones into powders without repetitive human effo...
A kick baler sends fresh hay bales flying on the farm
Agricultural machinery! On Rolling Oaks Farm, Marcia Johnson drives a tractor and kick baler over the harvested grass piles on the field. As the fresh hay is automatically gathered and compressed into a rectangular ba...
How shock absorbers work, an under the car view
What happens under your car while you're driving in it? YouTuber ChrisFix put cameras under his car to see what was happening when he drove his 14 year old shock absorbers on a bumpy roadway, a highway, in stop and go...
Cherry harvesting with a hydraulic tree shaker
What happens when farmers use a shaking machine to "pick" cherries from a cherry tree? This! Watch as these two machines -- a hydraulic tree shaker calibrated to just the right amount of cherry tree-specific vibration...
SpaceX’s Grasshopper: “What it feels like to ride a rocket.”
From @elonmusk, “What it feels like to ride a rocket.” SpaceX’s Grasshopper takes a 12-story leap towards full and rapid rocket reusability in a test flight conducted December 17, 2012 at SpaceX&#...
Soft-bodied robot that uses camouflage
From Ed Yong at Discovery Magazine: The camo-bot is an upgraded version of a soft-bodied machine that strode out of George Whitesides’ laboratory at Harvard University last year. That white, translucent machine am...
