Robotic Aircraft Sets World Record with 23 Hour Flight

A fuel-cell-powered aircraft set a world record by staying aloft for a whopping 23 hours and 17 minutes on just a single load.

In fact, the unmanned aircraft broke the previous record by double. Of course, the plane was built by the Naval Research Laboratory and not by students from the University of Michigan. Still, those students kept their plane in air for over 10 hours–impressive!

Of course their plane was only $2,500. I am guessing the Navy-built one cost us a whole lot more.

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