Category: Science
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Dr. Geri Richmond: Surf, Sink or Swim
Although the special properties of water have been valued and appreciated for centuries, as scientists we continue to be perplexed by the molecular make-up of water in all its forms. Equally perplexing is the surface of water, a surface that is involved in some of most important reactions in our atmosphere, a surface that can…
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‘Physics Guy’ Cameron McEvoy interview at NSW States 2014
Cameron McEvoy interviewed by Swimming Australia after the men’s 200 freestyle at the 2014 New South Wales State Open Swimming Championships.
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Xenon: the EPO boosting Next Big Thing in ‘legal’ doping?
Read The Economist via road.cc According to an article in The Economist, Russia has been using xenon as a performance-enhancer for a few years now. A 2010 document produced by the State Research Institute of the Ministry of Defence advises on how to use the gas. Before competition it can help with listlessness and sleep…
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Behold how Derek Amato hit his head in a swim pool and became a musical savant
“Derek Amato is one of the world’s only acquired savants after a brain injury left him with the amazing ability to play piano.”
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Can you swim as fast in syrup as in water ?
“Can you swim as fast in 12,000 gallons of syrup as you can in water? Jamie Hyneman and Adam Savage swim for science.” See also The Physics of Swimming in Syrup
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What happens when you drop 2 pounds of dry ice into hot water
Courtesy of Crazy Russian Hacker and his American sidekick
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How do dolphins swim?
Read Digital Journal Dolphins swim by exerting minimum effort, according to a new study. This finding overturns an 80-year-old paradox that argues dolphins are not designed for swimming. By using bubbles in a pool, researchers have concluded that swimming dolphins generate thrust quite easily and have no need to compensate for their supposedly underpowered muscles. To show…
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Free diver and shark researcher William Winram’s new film Great White Sharks
See The Sydney Morning Herald Life as William Winram must be breathlessly exciting. One day you’re ocean diving (without an oxygen tank) to a world record (145 metres down in three minutes, eight seconds); the next you’re swimming with great white sharks and living to tell the tale. There used to be some big-wave surfing…
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What happens to the lungs of a freediver during a deep dive?
Boyle’s law in action, this experiment plunging an upside down liquid meter to -55 meter with 1 liter of air inside. There air compressed to 154 ml at the bottom. Freediver accompanying.