lasers
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Scientists Just Made A Working Laser Using Blood
Lasers are behind so much of our cutting-edge technology. Now scientists at the University of Michigan have successfully shown it is possible to build a working laser with blood, the better to spot tumours in the human body.
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New 3D Printer Draws In Midair Like Magic
Lasers and metal were part of 3D printing for decades before the machines became affordable for personal use. But researchers at Harvard are demonstrating a new technique by which 3D metal structures can be printed in midair, without the need for anything supporting them.
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How Lasers Will Change The Way We Fight Wars
When war changes, it usually changes slowly. We’re used to military technology advancing in predictable, plodding steps – incremental advances on what went before, with one side spending years developing its new plane, or tank, or missile, the other side simultaneously developing ways to undermine it. The first nation builds a thing, the second builds…
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This Is What You See When You Scan A Forest With Lasers
Do not adjust your monitor. This is a perfectly normal forest, but it happens to be the view that’s seen through the eyes of a 3D laser scanning system developed by a company called Treemetrics.