Piezofluorochromism, the phenomenon of materials reversibly changing their fluorescent color when pressure is applied, is ...

A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...