Laser-induced graphene gets tough, with help

Laser-induced graphene (LIG), a flaky foam of the atom-thick carbon, has many interesting properties on its own but gains new powers as part of a composite.

Novel process for surface hardening of stainless steel

Stainless steel is the material of choice in various industries where corrosion resistance is of utmost importance, take for instance parts that are exposed to harsh environments. However, this highly favourable property ...

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.

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