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Industrial probes aid research in space

20 September 2017

As a result of new developments in the theoretical knowledge of the very smallest particles on the planet, some physicists are now calling into question the principle of equivalence of inertial and gravitational mass into question. To examine these ideas, production specialists at the National Metrology Institute of Germany (PTB) in Braunschweig developed cylindrical test masses, achieving an accuracy of 2 µm to 3 µm for all geometric characteristics. This feat of engineering was only possible thanks to a measurement solution that combined a high-precision lathe from Benzinger with an OMP400 probe from Renishaw.


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