Hardened steels for more efficient engines

Scientists of Karlsruhe Institute of Technology (KIT) are working on the development of a new process for hardening steel: With the help of methylamine, they enrich low-alloy steels with carbon and nitrogen. Low-pressure ...

Removing color from brown diamonds

Diamonds come in all colours with price tags to match - ice-white, blue and pink attract high prices and stones with brown hues the least. But now that brown diamonds can be heat-treated to remove the darker colour to produce ...

In Austria, heat is 'recycled' from the sewer

Vast amounts of hot water from household appliances, businesses and factories gurgle down the drain every day, wasting not only H2O but also another precious resource: heat energy.

Using cattails for insulation

A growing number of homeowners are insulating their walls in order to lower energy costs. They opt for the cheap variety, polystyrene. Yet there are environmentally-friendly alternatives: Cattails, for instance, are superbly ...

Softening steel problem expands computer model applications

(Phys.org)—Sandia National Laboratories researchers Lisa Deibler and Arthur Brown had a ready-made problem for their computer modeling work when they partnered with the National Nuclear Security Administration's Kansas ...

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