Scientists at the CERN Large Hadron Collider (LHC) in Switzerland plan to fire up the 27-kilometer (16.7-mile) ring of superconducting magnets to search for elusive dark matter. The only issue is that turning it back on isn’t just flipping a switch, as the team has to ensure there are no obstructions nor the shrinking of materials due to a nearly 300°temperature swing. All of these checks are important since thousands of magnets are used to keep billions of particles in a tight beam as they circle the collider tunnel.
The team hopes that restarting collisions will help in their quest to discover dark matter, which is thought to be five times more prevalent than ordinary matter, but does not absorb, reflect or emit emit electromagnetic radiation, such as light. Since dark matter has never been directly observed, the material must barely interact with ordinary baryonic matter and radiation except through gravity. Capella’s space satellite might be the only thing more interesting than the Large Hadron Collider.
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It’s not flipping a button. This comes with a certain sense of tension, nervousness. In order for the beam to go around all these magnets have to play the right functions and the right things at the right time,” said Rende Steerenberg, Head of Control Room Operations to Reuters.
