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Video: Army Develops Super Structures to Safeguard Troops

Shelters protect people from the sun and wind and help them stay warm. Army shelters must do more — they shield soldiers from chemical and biological agents and the fragments from enemy mortar.

Engineers at an Army research lab in Natick, Mass., design shelters with even better capability. Their portable homes are energy-efficient, thanks to LED lighting and solar panels; easy to assemble with the use of inflatable tubes called air beams; and are invisible at night!

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Video: Navy Scientists Help Sailors Keep the Ocean Blue

For centuries — until about 30 years ago! — sailors tossed their trash overboard into the sea. Now Navy ships focus on protecting the environment as scientists at NAVSEA Carderock in Bethesda, Md., develop and evaluate ways to treat waste.

Every ship is like a small city, with 100 to 5,000 people aboard. They produce refuse ranging from garbage to water waste, sewage to shower water and eventually must dispose of it all. Dishwater, for example, could pollute the ocean if it’s dumped, so the scientists have created methods to treat it onboard so it can be safely discharged overboard. Plastics are another story — they can never go over the side. Instead, they are compressed into large disks and returned to shore, where they may be recycled.



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Video: SHWEEB

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Video: Green Building: Jobs of the Future

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The Shweeb: A Monorail Powered By You

Shweeb

If you thought bike lanes in the sky were cool, chances are you’ll be really psyched about the Shweeb, the world’s first human-powered monorail. A few creative New Zealanders designed a transportation system that would have commuters whizzing through the city in aerodynamic capsules. Shweeb riders can reach speeds up to 20 mph using less energy than it takes to walk!

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