Tag: arsenic
Up to 40 million gadgets unused in UK homes
There are up to 40 million unused electronic gadgets in UK homes, a new study estimates. Each of those devices, such as old mobile phones, contains valuable “rare earth elements” which are increasingly endangered. The Royal Society of Chemistry (RSC) has carried out a survey of just how much unused technology is being stockpiled in UK…
Smartphone sensor used to detect poisonous levels of arsenic in water
A sensor that connects to a smartphone could help prevent millions of people from drinking water contaminated by arsenic. Developed by researchers at the University of Edinburgh, the biosensor uses bacteria to detect unsafe arsenic levels in water. It uses visual cues to warn of the presence of high levels of the metal in water,…
