Tiny Sensor Developed To Detect Homemade BombsA team of chemists and physicists at the University of California, San Diego has developed a tiny, inexpensive sensor chip capable of detecting trace amounts of hydrogen peroxide, a chemical used in the most common form of homemade explosives. Photo of penny and peroxide sensor The hydrogen peroxide sensor is the size of a penny. (Credit: UCSD)The invention and operation of this penny-sized electronic sensor, capable of sniffing out hydrogen peroxid