Zik Saleeba wrote: > I think it's just a case of confusion caused by a misleading name. > Nothing can travel at C, and that includes light. In a vacuum light > travels at almost (but not quite) C. In other media light slows down > but C doesn't. Calling C "the speed of light" has created a lot of > confusion, but to a first approximation it's pretty close to true. > Calling the common name of C from "the speed of light" to "a little > bit more than the speed of light in a vacuum" just isn't as punchy. I though light *always* travelled at C, and that the reduced speed of light through materials is an illusion due to collisions with atoms. -- Hector Martin (hector@marcansoft.com) Public Key: http://www.marcansoft.com/hector.asc -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist