Machine Design

Motion in Motion: A Reference Guide with Case Studies and What’s to Come

How linear, rotary, reciprocating and oscillating motion are evolving as customization grows and new capabilities emerge.

What goes up must come down: The 'universal thermal performance curve' that shackles evolution

Scientists from Trinity College Dublin have unearthed a universal thermal performance curve (UTPC) that seemingly applies to ...

I trained for a half-marathon in four months as a running beginner at 42. Here’s how it went

It turns out that doing hot yoga a few times a week and hiking at least once a week won’t make you a decent beginner runner. Month one was plagued by difficult quarter-mile runs and sore legs and ...
Sourcing Journal on MSN

Eastman Naia Reveals New Targets for Scaling Circularity and Combatting Climate Change

Eastman met its goal to have a Naia fiber with at least 60 percent recycled content ahead of schedule, as it launched Naia ...