A researcher's invention wasn't practical in the 1980s, but now that 3D printing is commonplace, the next generation of ...

Researchers took a 40-year-old design and applied some software and 3D printing to bring the Y-zipper to life ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." So next time your zipper acts up, don’t panic, and don’t automatically assume you need to toss your item.