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A photon checks into a hotel. The bellhop asks, "Can I help you with your luggage?" The photon replies, "I don't have any, I'm travelling light!"

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Invisibility Fun

As I was watching Harry Potter, the cloak of invisibility reminded me of something someone in my New Vision's class brought up about the University of Rochester's own cloaking device. I decided to look further into the physics behind it. A cloaking device works by transmitting light rays around an object so that it appears as if nothing is there. The transmitted light waves, in theory, should look as if there is no background interruption. John Howell, physics professor at the U of R, an
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