I came across this today, and I couldn’t resist. I had to share.
The discovery, Lukin said, runs contrary to decades of accepted wisdom about the nature of light. Photons have long been described as massless particles which don’t interact with each other — shine two laser beams at each other, he said, and they simply pass through one another.
“Photonic molecules,” however, behave less like traditional lasers and more like something you might find in science fiction — the light saber.
-Harvard University. “Seeing light in a new light: Scientists create never-before-seen form of matter.” ScienceDaily, 25 Sep. 2013. Web. 26 Sep. 2013.
Check out the entire article here.
May the Force be with you,