Yes, I play the guitar <a href=" http://www.wstvalburg.nl/cheap-neurontin-online.pdf ">buy cheap gabapentin online</a> Those single photons slowed down as they went through the cloud of rubidium. So far that’s perfectly normal; light always slows down as it enters a medium. This is why it bends as it goes through glass or water. As the photon passed through the cloud, it transfered a little bit of its energy so that when it exited, it was moving relatively slowly, for a photon.