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ekim68

Mike
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Jul 8, 2003
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Keep Your Tent Out of the Sun (And More Tips to Make Your Tent Last)


Whether you’re a casual backyard camper or an outdoor enthusiast accustomed to spending summers car camping across national parks, your tent is one of the most important pieces of equipment you’ll take on your adventure. A good tent shelters you from rain and wind, provides shade, keeps pesky mosquitoes and campsite critters at bay, and offers privacy in a crowded campground. It’s also among the most expensive gear you’ll purchase. So you’ll want to keep it in good shape for as long as possible.
 

ekim68

Mike
Joined
Jul 8, 2003
Messages
58,017

Seashell-inspired glass promises shatterproof smartphone screens


Glass is one of the most useful materials in our modern world, but being prone to cracking or shattering is a major downside. Scientists at McGill University have developed a new type of glass inspired by the mollusk shell that’s stronger and tougher, while retaining good transparency.

That inner, iridescent layer of a mollusk shell is actually the secret to its strength. Known as nacre or mother-of-pearl, the material’s microscopic structure resembles brickwork, with platelets of a stiff calcium carbonate interspersed with soft, elastic biopolymers. This structure not only improves strength but stops cracks from propagating.

 

ekim68

Mike
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Jul 8, 2003
Messages
58,017

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