办事指南

Fire away

点击量:   时间:2019-03-07 10:11:01

By Barry Fox Bulletproof cladding for cars has a weakness, says David Adie of Frankfurt in GB 2 336 807. The hard ceramic armour pulverises a bullet when it strikes. But the armour itself cracks in the process, so if a second bullet hits the same spot it will go straight through. Adie’s idea is to use a sandwich of several ceramic sheets held together by fibre or plastic material. Each sheet is pre-scored with an array of grooves that mark out a tile-like pattern. When a bullet strikes,