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Transportation: Air Travel

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Clay Dillow via PopSci

UPenn's quadcopters are learning new tricks. We were impressed last month when video emerged of the autonomous 'copters ducking through very tight spaces with startling agility. Now, the GRASP Lab's tiny aircraft have learned to work in teams to lift

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Rebecca Boyle via PopSci

The future of spycraft looks pretty heavy, if this new Boeing plane is any indication. Adding to today's parade of pretty new planes, Boeing unveiled a hydrogen-powered unmanned aircraft system Monday that will stay aloft at 65,000 feet for four days

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Clay Dillow via PopSci

A team of visionary Swiss engineers and at least one test pilot with nerves of steel have pushed solar-powered flight to the next level, completing an overnight flight that proves solar flight is possible even when the plane’s fuel source dips behind

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