Tag Archives: QUAD-COPTER

Flying Drone Can Hide Underwater For Months Like a Nuclear Submarine

A submarine’s periscope is a useful reconnaissance tool, but it puts the vessel at risk since it can only be used when the sub surfaces. As an alternative, researchers at Johns Hopkins University have created a waterproof drone that can float up from the murky depths and then take to the skies to provide an aerial view.

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THE WARSHIP TO END ALL BATTLES

In 1906, the Royal Navy rendered all other battleships obsolete when it unveiled the HMS Dreadnought: a steam-powered fighting vessel with 12-inch guns and cement-reinforced armor. This past summer, British naval engineers revealed a vision of its successor, the Dreadnought 2050.

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