News tagged with drag reduction

Morphable surfaces could cut air resistance

There is a story about how the modern golf ball, with its dimpled surface, came to be: In the mid-1800s, it is said, new golf balls were smooth, but became dimpled over time as impacts left permanent dents. Smooth new balls ...

dateJun 24, 2014 in General Physics
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New freeform standards to support scanning CMMs

The National Physical Laboratory (NPL), the UK's National Measurement Institute, has developed a new range of three dimensional standards for verifying freeform coordinate measurement machines (CMMs). The standard allows ...

dateNov 14, 2012 in Engineering
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