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Scientists have created a new light-activated ink that can change color on demand. It’s made up of microbeads of different colors that rise or sink in response to different wavelengths of light so ...

It can get tiresome, continually having to tell groups of children – or even adults – to be quiet. That's where a new sound-sensitive lamp comes in, as it does the job for you by changing color in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not easy being green–or blue, or purple, or orange–at ...

Engineers at the Massachusetts Institute of Technology have demonstrated a fast, scalable, and cost-effective method to produce films that change color when stretched (Nat. Mater. 2022, DOI: ...