Sometimes the biggest challenge in extinguishing a fire can be getting to it in the first place. A blaze might be high up in a multi-story building, or hidden behind barriers. In those scenarios you need a firefighting tool with a bit of reach and flexibility. Enter: the Dragon Fire Fighter, an unlikely-looking bit of kit being developed by researchers from Japan’s Tohoku University and Hachinohe Institute of Technology.
As you can see in the video above, the technology here is pretty simple: the hose works by balancing itself on powerful jets of water. The water pressure is strong enough to lift it off the ground, and the nozzles producing the jets can be tweaked to point in different directions and keep it steady. Human firefighters...
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