A US chemist at Oklahoma State University has developed a spray-on material that detects explosives made from peroxides and renders them harmless. The material is a type of ink that contains ...

US scientists have designed a new spray-on explosive detector sensitive enough to detect just a billionth of a gram of explosive. After treatment the explosive glows blue under UV light, making it ...

Now an aerosol spray could let them do something similar for common explosives too. Spraying an object with the aerosol and illuminating it with an ultraviolet torch makes the object glow blue.