trapped rainbow
n.— «Scientists in Britain said Wednesday they were able to slow and then stop a squirt of light in what they described as a key step towards the future of ultra-fast computing. The technique, called “trapped rainbow,” would help optical data storage, with light replacing electrons to store information.» —“”Trapped rainbow” could herald new dawn for computing” in Paris Agence France-Presse Nov. 14, 2007. (source: Double-Tongued Dictionary)