Japanese theme park’s floating hotel room lets you spend a night bobbing through the sea | Evening Standard

If Robinson Crusoe holidays are your type of thing, you’ll want to know about a new hotel concept that’s about to take Japan by storm.

Huis Ten Bosch, a theme park on the edge of Nagasaki, is planning to launch a fleet of pod-like, capsule hotel rooms that float in the water, so guests can wake up at a new destination each morning.

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Unmanned underwater vehicles: Aluminium batteries could let submarine drones range farther | The Economist

MUCH is made of the potential of flying drones. But drones are useful at sea, too. Unmanned underwater vehicles (UUVs), as they are known technically, are employed for things ranging from prospecting for oil and gas to naval warfare. Like their aerial cousins, though, ocean-going drones have limited ranges—limits that are often imposed by their batteries.

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What Drones Did for the Sky, Robot Subs Are About to Do for the Sea

The next drone revolution is happening underwater. Just as flying drones have changed from expensive specialist tools to mass-market million-sellers in a few short years, their aquatic counterparts are opening up the seas.

Unmanned submarines, known as Remotely Operated Vehicles, can regularly be seen on television exploring sunken cities or looking for crashed aircraft.

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