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Heated face mask promises to deactivate the Covid-19 virus
Solar-powered system harvests drinkable water from dry air
Wallpaper-like surface could boost radio signals tenfold
Recycling robot that sorts waste by ‘touch’ built by scientists
Human feedback helps software detect ‘blind spots’ in self-driving car responses
Fireflies inspire glow-in-the-dark plants that could replace desk lamps
Low-power chip will bring voice recognition to IoT devices
Spinach enhanced with carbon nanotubes creates wireless explosive sensor