View through one of the tubes of GEO600.
(Credit: Max Planck Institute for Gravitational Physics/Leibniz Universität Hannover)

From Science Daily:

ScienceDaily (Feb. 4, 2009) — Cardiff University researchers, who are part of a British-German team searching the depths of space to study gravitational waves, may have stumbled on one of the most important discoveries in physics, according to an American physicist.…