Lisa Pathfinder's instrument
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Space probe's super-fine measurement

Europe is about to launch the Lisa Pathfinder satellite, an exquisite space physics experiment.

It will test the technologies needed to detect gravitational waves - the warping of space-time produced by cataclysmic events in the cosmos.

Dr Harry Ward from Glasgow University, UK, told our correspondent Jonathan Amos how Lisa Pathfinder works and how it will pave the way for a bigger mission in the 2030s.

  • 02 Dec 2015