Here's a cool article on Photonic Crystals and their use/ability to change light frequencies...
Implication? in optical networking you can pump frequencies down the fibre and when it becomes saturated at that frequency you can easily change to a new frequency.
They could also allow the medical community more easily replace x-rays with the spectrum between microwave and infrared.
Think light bulbs. If you want red light you can re-target all of the green-blue-whatever to red. You won't lose the energy, you'll just re-frequency it!
Posted by Steve at May 22, 2003 03:37 AM