Elaborate search for a new force

Scientists are using trapped ions in experiments to search for signs of a new particle that could help explain the mysterious dark matter. Researchers at ETH Zurich are combining their results with findings from teams in Germany and Australia.

Luca Huber works with a green laser light and has to wear safety goggles.
Luca Huber, doctoral student at ETH Zurich, aligns a laser light for an experiment with calcium isotopes.  (Image: Gabriele Giuli / ETH Zurich)
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