Why shaving dulls even the sharpest of razors

Razors, scalpels, and knives are commonly made from stainless steel, honed to a razor-sharp edge and coated with even harder materials such as diamond-like carbon. However, knives require regular sharpening, while razors ...

Strong and ductile Damascus steels by additive manufacturing

Dr. Philipp Kürnsteiner, Prof. Eric Jägle and their team at the Max-Planck-Institut für Eisenforschung (MPIE) designed, together with colleagues from the Fraunhofer Institute for Laser Technology, a new strong and ductile ...

Precise magnets 3-D printed from special stainless steel

It looks quite inconspicuous to the casual beholder, hardly like groundbreaking innovation: a small metallic chessboard, four millimeters long on either side. At first glance, it shines like polished steel; at second glance, ...

Super steel project attains major breakthrough

The Super Steel project led by Professor Huang Mingxin at the Department of Mechanical Engineering of the University of Hong Kong (HKU), with collaborators at the Lawrence Berkeley National Lab (LBNL), has made important ...

Technique could enable cheaper fertilizer production

Most of the world's fertilizer is produced in large manufacturing plants, which require huge amounts of energy to generate the high temperatures and pressures needed to combine nitrogen and hydrogen into ammonia.

Mars helicopter attached to NASA's Perseverance rover

With the launch period of NASA's Mars 2020 Perseverance rover opening in 14 weeks, final preparations of the spacecraft continue at the Kennedy Space Center in Florida. In the past week, the assembly, test and launch operations ...

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