How-To Geek on MSN

The 5 levels of Excel users: Which one are you?

What starts as simple number tracking gradually becomes a journey into logic, visualization, automation, and data ...
Tech Xplore on MSN

Programmable 3D-printed filaments mimic artificial muscles with heat-driven bending and twisting

Nature is replete with slender filaments that bend and coil—from climbing grape vines, to folded proteins, to elephant trunks that can pick up a peanut but also take down a tree.