Pontoon Treads Let This Tank Tear Across Land and Water

Many wonderful things have come out of the US Military's Defense Advanced Research Projects Agency—or DARPA—incuding the internet. But none are as insanely awesome as its new CAAT (Captive Air Amphibious Transporter) which is essentially a tank that floats on water thanks to its oversized inflatable treads. » 8/10/12 11:00am 8/10/12 11:00am