In 1991, when Second Sight's Dr. Greenberg was still in medical training at Johns Hopkins University, he watched a retinal surgeon perform a procedure where he placed a wire in a patient's eye and ran a bit of electrical current through it, and the patient saw a spot of light.

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Presenting is a way of putting a spot- light on an idea that no other mediated format can ever match not email, not memos, not even TV or radio.

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Mr Thornley and Mr Wood are regular night photographers and Ballaugh beach is a favourite spot because of the lack of artificial light.

BBC: Aurora Borealis seen from Isle of Man

One way to control this process is to use two beams that, when they cross, double the amount of light in a spot, and thus cause the liquid to solidify faster.

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Well one of the consequences of all this row is that it's taken the spot light off the issue that you're dealing with - pensions.

BBC: NEWS | Programmes | Politics Show | Jon Sopel interview

If Motown: The Musical can light up Broadway in a fashion similar to how the Eminem spot ignited the recovery of Chrysler, Francois and his musicality will have one two-for-two.

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