Engineering news

Pencil test for pipeline cracks

It is impossible to see when the "lead" in a pencil cracks within the pencil, but an acoustic sensor can "hear" the change in the way the pencil vibrates. Now, researchers in China have reported in the International Journal ...

dateJun 08, 2016 in Engineering
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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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Airbus presents 3D-printed mini aircraft

Dwarfed by huge jets all around, the mini-plane Thor was nonetheless an eye-catcher at the Berlin air show this week—the small Airbus marvel is the world's first 3D-printed aircraft.

dateJun 05, 2016 in Engineering
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