All those who regularly make use of public transportation such as metro trains would have felt the enormous gush of air as a train enters the subway tunnel. While some of us just disregard it as a change in air pressure inside the tunnel when the train enters it on a high speed, designers over at Singularity Studio have taken it as an opportunity to generate renewable electricity.
The team here at Singularity Studio has come up with a concept energy generating system, dubbed the Transducer Tile, which makes use of air pressure inside subway tunnels of even surface of cars, to produce electricity. The design is something like a micro-wind turbine, which gets into motion due to the change in air pressure. The tiles rotate and produce electricity, which could later be stored in batteries and reused as an emergency source of power inside the tunnel.
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