Resumen de Let's look for dark matter in the light
If the particles are small and interact even slightly with normal matter, people may be able to spot them above ground. Dark matter detectors are usually placed deep in mine shafts so the rock above will deflect unwanted background radiation while allowing the passage of weakly interacting massive particles--their best guess at the nature of dark matter. It is possible dark matter may be less massive and able to crash into or bounce off regular matter. If so, Timon Emken and Chris Kouvaris at the University of Southern Denmark say that burying their detectors may be a mistake.
