Key to ultra-fast computing

When this light hits an object or an interface between two media, it does not immediately bounce back but travels very slightly along that object. In the case of metamaterials, the light in fact travels very slight backwards along the object.

'It just sits there and gets trapped'

Ditto for my TCP/IP packets on Telskum nearly_broadband_not_quite_always_on ADSL.
 
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