CNN Underscored is bringing you the best of CES 2022 all week — be sure to check out our coverage hub for the biggest tech products worth getting excited about. We’ve all been there — you’re getting ...

A prototype backpack gathers energy from walking and uses it to power small electronics, while making loads feel lighter. (Photo via Courthouse News courtesy of ACS Nano 2021) In addition to charging ...

Hikers, soldiers and school children all know the burden of a heavy backpack. But now, researchers have developed a prototype that not only makes loads feel about 20% lighter, but also harvests energy ...