A new generation of wearable devices powered by human sweat instead of electrolytes in batteries could help reduce harmful electronic waste. Researchers in Scotland have developed a flexible supercapacitor made from an absorbent polyester cloth, which wraps around the arm during exercise. Positive and negative ions in the wearer’s sweat interact with the cloth’s surface, … Read more
A tool that can be attached to e-cigarettes to track vaping habits could help scientists develop ways to tackle different forms of addiction. Experts from Cornell Tech created an ‘unobtrusive’ monitor that can track when people vape, how deeply they inhale and how much nicotine they consume. It works across all types of e-cigarettes and … Read more
A new DNA-testing kit that pairs up with a smartphone could be used to diagnose COVID-19 in less than two hours, scientists say. ‘POCKET’ (point of care kit for the entire test) identifies changes in DNA that signal disease in real time from samples of blood, urine or saliva. It contains two components – a … Read more