Armour made from 'bullet-proof custard'

Researchers at BAE systems in Bristol combined a "shear-thickening" liquid with the existing material used in bullet-proof vests – called Kevlar – to create the new armour. The chemical formula of the new liquid is being kept secret but scientists say it works by thickening and becoming sticky on impact with a bullet.

Stewart Penny, BAE's business development manager, described the new material as "bullet-proof custard". He told the BBC: "It's very similar to custard in the sense that the...