Magnetohydrodynamic thrust uses no moving parts in order to accelerate water. It has been known for half a century, but it may be possible that we're only now beginning to explore it for use in Marine... continue reading
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Magnetohydrodynamic thrust uses no moving parts in order to accelerate water. It has been known for half a century, but it may be possible that we're only now beginning to explore it for use in Marine... continue reading
posted by newtboyBeau talks about the actual benefits of paying for Americans' education... - adds value and strength to our nation - higher quality of applicants (for everything) - improves capitalism (see above) ... continue reading
posted by luxintenebrisMetals have a crystal structure. But they're not one big crystal, they're lots of small crystals called grains. The size of the grains affects the physical properties of the metal, like hardness, toughness,... continue reading
posted by newtboySomething that Brian didn't mention, but which was pointed out by Elon Musk, is that the strength of stainless steel increases at cryogenic temperatures. (H/T @eric3579)
posted by Aard VarkConcrete's greatest weakness is its tensile strength, which can be less than 10% of its compressive strength. So, we often reinforce it to create a composite material strong against all types of stress.... continue reading
posted by MordhausAt 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 MordhausI built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading
posted by MordhausTerry Crews has more strength in one bicep than most humans have in their entire being. But how is he with spicy food? Find out as the Brooklyn Nine-Nine star enters the Hot Ones terrordome and goes beastmode... continue reading
posted by MordhausYouTube description: When dancer David Chanishvili is on stage, he believes that he can fly. Indeed, he appears to glide through the air with ease while performing for the traditional Sukhishvili Georgian... continue reading
posted by Aard VarkYouTube: Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules.
posted by PlayhousePals"Like the baby Jesus tip toeing down me throat in a pair of slippers!" Irish Poitín (Moonshine) was outlawed in the 1600s and recently, legal versions of the drink have come on the market. These vary... continue reading
posted by MordhausPredominately found in South and Central America, the Leafcutter Ant is truly an amazing creature. The complexity of teamwork and organization displayed in their societies is 2nd only to human beings and... continue reading
posted by MordhausYouTube: We continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic... continue reading
posted by PlayhousePalsYouTube: Ring tailed lemurs waft their special scent to attract females, but the very latest science suggest that his scent contains clues to a different strength...
posted by PlayhousePalsThis talk was given at a local TEDx event, produced independently of the TED Conferences. Building strong children is easier than repairing broken adults. Why allow something to break only to try to fix... continue reading
posted by LukeForsyth455"Exercising stimulates bone remodeling and ultimately bone strength." uhoh YouTube: Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying... continue reading
posted by PlayhousePalsAin't nature grand? Music = Superheroes by Chris Egan
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