This was a bold, light-speed reaction according to the standards of old media and dated customer relations.

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Four out of the 10 foetuses had measurable brain responses to the light, with reaction times better in the more highly developed foetuses.

BBC: Baby brainwaves measured in womb

When I turn on a light switch, I can imagine the chain reaction.

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Because of this, the amount of reaction products is exactly proportional to the light power.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency

His father's business came to light in a South Korean newspaper in 2011, fearing the government reaction they fled.

BBC: North Korea: Defectors adjust to life abroad

Bentley used this month's Geneva International Motor Show to test reaction to its potential SUV before giving it the green light for production.

WSJ: Handcrafted Cars Geared for Soccer Moms

Potential signs and symptoms of a concussion include headache, dizziness, nausea, ear ringing, sensitivity to light and sounds, slurred speech, impaired memory or judgment, as well as changes in reaction time or balance.

FORBES: Safety Prevails -- In Updated Guidelines To Manage Concussions

When it came to light last week that Facebook co-founder Eduardo Saverin had renounced his U.S. citizenship, the reaction was swift and fierce.

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