Readers write in about eyesight, learning and state capture.
The dramatic price difference between the mall and the internet is shattering some costly myths.
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/ 13 October 2009
Extraordinary self-adjusting glasses, with little wheels on the sides, are being shipped to Afghanistan, Ghana and Tanzania.
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/ 9 September 2008
Artist Damien Hirst appeared on the cover of Time this week in a pair of blue-tinted spectacles, alongside the headline ”Artist as Rock Star”.