Wrapping up the problem of broken light bulbs

日期:2019-03-02 04:19:10 作者:盖蚜胚 阅读:

By Gursharan Randhawa FEARS that compact fluorescent lamps (CFLs) might pose a health risk may now be eased, thanks to a cloth impregnated with nanoparticles that soak up mercury. Used in protective packaging, the cloth would absorb mercury vapour released if the bulbs break in transit. Energy-efficient CFLs work by passing a current through mercury vapour. This excites mercury atoms, making them emit ultraviolet light,