Question

 Light is faster than the electrical signals?

Answer yes
http://uk.answers.yahoo.com/question/index?qid=20120423105405AALNfiZ


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Top Q&A For: Light is faster than the electrical signals

You insist over and over again that it is impossible to go faster than the speed of light. This is completely and entirely untrue. Tachyons travel faster than light. They also go faster as they exert less and less energy. — K?

I'm afraid that you confuse the hypothetical with the actual. While people have hypothesized about superluminal particles called tachyons, they have never been observed and probably don't exist. Th... Read More »
http://www.howeverythingworks.org/page1.php?QNum=1395

Traffic light signals?

Firstly, traffic lights are controlled by urban control centres (UTCs) and usually use sensors in the road, so both the previous two answers are completely wrong.The amber light is always on for tw... Read More »
http://uk.answers.yahoo.com/question/index?qid=20101122112038AAPL3YI

I read a recent article about the FCC requiring all TV stations to switch to digital signals instead of analog ones by 2006. How are digital signals different from analog signals, and will they work with our current TV's — JP?

Current video signals use continuous physical quantities to represent the brightness and color of the spots on a television screen. For example, the current in a video cable can take any value and ... Read More »
http://www.howeverythingworks.org/page1.php?QNum=1128

Does a Plant Grow Faster Under a Red Light or a Green Light?

The colour of the light a plant is exposed to affects how fast it grows. Red and blue lights affect plant growth the most. Green light has the least effect on how fast a plant grows.
http://www.ehow.co.uk/facts_7977967_plant-red-light-green-light.html


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