TechnologyGlowing spray lets CSI operatives 'dust' for explosives A spray that glows in UV light could reveal traces of explosive at crime scenes and even colour code different types of explosive 51¶¯Âþ
TechnologyElectronic 'pet' could replace passwords and PINS An advanced Tamagotchi-like gadget sustained by its owner's presence could be a more secure way to safeguard your secrets 51¶¯Âþ