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” […]
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 […]
