Instead of opening windows, the new Royal London Hospital has 200 units that bring clean filtered air into the hospital's 3, 500 rooms.

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Using Airblade technology, the Dyson Airblade Tap hand dryer sends sheets unheated filtered air at 420 mph towards hands, literally scraping them dry.

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It scrapes away (rather than evaporates) water using two jets of HEPA-filtered air that reach top speeds of 430 mph and are powered by a proprietary motor that accelerates from a dead stop to 95, 000 rpm in 0.7 second flat.

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The mice are isolated in air-filtered chambers.

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The stainless steel enclosure houses the same 1, 400-watt DC brushless motor as the previous models, dispersing HEPA-filtered "sheets" of air through a single laser-cut slit in each of two wings that extend from the Tap's sides.

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The collector also promises to do more with sunlight once it's trapped: since the microchannels should absorb more than half of the waste heat, their hot water byproduct can either be filtered into drinkable water or converted into air conditioning.

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