News tagged with waste

Making wealth from waste

We have killed for it, enslaved others to mine for it, and even built a world currency based on it. Gold. Homer described it as the glory of the immortals. The Incas simply called it the tears of the sun.

Jun 17, 2014 5 / 5 (1) 0

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, ...

Jun 05, 2014 5 / 5 (7) 1