News tagged with chain

Calcium loss turning lakes to 'jelly'

New research on a number of Canadian lakes show that historical acid deposits as a result of industry have greatly reduced calcium levels in the water - dramatically impacting populations of calcium-rich ...

Nov 18, 2014
4 / 5 (33) 4

The new superstrong

In today's market for high performance fibers, used for applications such as bulletproof vests, manufacturers have only four options: Kevlar, Spectra, Dyneema, and Zylon. Made from polymers such as polyethylene, ...

Jul 11, 2013
5 / 5 (17) 0 | with audio podcast

Explainer: How does our sun shine?

What makes our sun shine has been a mystery for most of human history. Given our sun is a star and stars are suns, explaining the source of the sun's energy would help us understand why stars shine. ...

Aug 28, 2014
5 / 5 (15) 3