http://www.cnbeta.com/articles/245692.htm
欧洲的道路很多,但人和车相对较少,部份道路虽然行人和车辆稀疏,但依然要维持街灯照明,以确保道路安全。荷兰设计师Christian Shuh设计了 1 款新的街灯Tvilight,针对浪费能源的问题。Tvilight拥有无线感应器,可探测有没有路人,当没有人时,街灯会自动调暗,以最少的能源运作,只保留足以让前进中的行人或车辆辨认方向的微弱灯光。


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