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How a Nearby Cosmic Void Could Be Distorting Our Understanding of the Universe. Via @scientific_american #Space #Astrophysics #OrbitalMechanics #Astronomy
#Science #Physics
How a Nearby Cosmic Void Could...
https://www.europesays.com/uk/394905/ Muon Experiment Calls It a Wrap #Physics #Science #UK #UnitedKingdom
Damping a Skyscraper
Wind forces on a skyscraper can set it swaying, so engineers design dampers to stop the motion and keep users comfortable. Some buildings use suspended solid mass dampers to counter a building’s motion, but others take a liquid approach. Whether by shifting water through specially shaped chambers or by sloshing it back and forth in a tank, a tuned liquid damper system can quickly bring a building back to rest. In this Practical Engineering video, Grady discusses the challenges of designing these systems and demonstrates how they work with a cool tabletop version. As a reminder, sloshing also helps in water-bottle flipping and stopping a bouncing ball. (Video and image credit: Practical Engineering)
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