BBC News - Invisibility cloak closer with flexible 'metamaterial': "Scientists in the UK have demonstrated a flexible film that represents a big step toward the 'invisibility cloak' made famous by Harry Potter.
The film contains tiny structures that together form a 'metamaterial', which can, among other tricks, manipulate light to render objects invisible.
Flexible metamaterials have been made before, but only work for light of a colour far beyond that which we see.
Physicists have hailed the approach a 'huge step forward'."
Thursday, November 4, 2010
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