As dark matter particles steam through the detector, scientists hope that a few will collide with the argon atoms. This will generate two flashes of light - one in the liquid argon and another in the gas - which will be detected by the receptors. — BBC News
Rebecca Morelle visits the Gran Sasso National Laboratory a man-made cavern, deep beneath a mountain, designed by scientists hoping to shed light on one of the most mysterious substances in our Universe - dark matter. Physicists are hoping to detect WIMPS (Weakly Interacting Massive Particles).
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