Singapore scientists harness shadows to generate power

SINGAPORE (Reuters) – Scientists in Singapore are hoping to perfect a new method of power generation driven largely by shadows, with the hope that it could one day help highly urbanised cities power themselves. The shadow-effect energy generator (SEG) being developed by the National University of Singapore has the potential to harness power like solar cells, but without needing open spaces with uninterrupted light. To work effectively, the SEG requires both light and dark and, like solar panels, relies on light to shine on silicon to energise electrons. It can be placed in those areas to harvest obstructed light,” said research team leader Dr Swee Ching Tan. So the device might come in handy in places like very densely populated cities, where skyscrapers are everywhere, where shadows are always persistent,” Tan said.

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