By harnessing electron-beam patterning to control the swelling and contraction of a soft polymer, researchers created a ...

Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles, you'll see a variety of tints glisten, causing you to question what color ...

There's lots to love, but we do have a few notes.

!–paging_filter–pShoes with recording devices built into the heels, coins embedded with deadly needles, pens that shoot tear gas, umbrellas that fire poison pellets—ah, for the olden days of spying, ...

Researchers at Stanford University recently came up with an interesting way (Phys.org summary) to create patterns and colors ...