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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
58,223

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
Joined
Jul 8, 2003
Messages
58,223

ekim68

Mike
Joined
Jul 8, 2003
Messages
58,223

Researchers demonstrate complete solar-powered hydrocarbon production


Carbon capture. Hydrogen production. Synthetic fuels. All of these technologies have been proposed as potential resources for dealing with the crises created by our carbon dioxide emissions. While they have worked in small pilot demonstrations, most of them haven't demonstrated that they can scale to provide the economical solutions we need.

In the meantime, a group of European researchers sees the methods as part of a single coherent production platform, one that goes from sunlight and air to kerosene. Thanks to a small installation on the roof of a lab in Zurich, the team has been producing small amounts of different fuels using some mirrors and a handful of reaction chambers. While the full production process would also need to demonstrate that it can scale, the researchers calculate that the platform could fuel the entire commercial aircraft industry using a small fraction of the land in the Sahara.
 

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