News tagged with laser technique

Gold 'micro jewels' from the 3-D printer

Thanks to a laser technique that ejects ultra-tiny droplets of metal, it is now possible to print 3-D metal structures—not only simple 'piles' of droplets, but complex overhanging structures, as well, like a helix measuring ...

dateOct 30, 2018 in Materials Science
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Exploring alien worlds with lasers

In everyday life we look and touch things to find out what they are made of. A powerful scientific technique does the same using lasers – and in two years' time it will fly in space for the first time.

dateJan 10, 2018 in Space Exploration
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PolyU invention makes 3D mapping more accurate

The two major traditional 3D mapping techniques are photogrammetry using satellite/aerial imagery and laser scanning. The former offers higher accuracy in the horizontal direction while the latter shows higher accuracy in ...

dateJun 07, 2016 in Engineering
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