Heavy Artillery: U.S. Marines clean an M1A1 Abrams main battle tank at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. Bridges made from recycled plastic are not only about to support the weight of this tank, but also can provide a cost-effective alternative to steel and concrete construction. Lance Cpl. Kelsey J. Green/U.S. Marine CorpsFrom Discovery News:
The U.S. Army may soon be able to recycle today's trash to support tomorrow's soldiers. New bridges made from recycled detergent bottles and car bumpers are strong enough to hold up a 73-ton Abrams tank.
The recycled plastic bridge takes only a month to build, costs 25 percent less than an equivalent wooden bridge and requires no annual maintenance.
Rutgers University professor Tom Nosker began developing plastic bridges, lumber and railroads ties back in the 1980s.
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