I occasionally have trouble sleeping, and find that reading a book before bed really helps. I was considering getting an e-book reader, but would the light of the screen stimulate your brain in a way that would prevent you from becoming tired?
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Can human waste be a source of power? Should we be searching sewage for a source of sparks?
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How does a calculator work? How can it make complex calculation within nano-seconds? Also, how does it display the result on the screen?
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Is there an optimum level to which you should fill your car's petrol tank so it doesn't just use the excess energy simply to carry the petrol around? How much petrol is too much?
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What is the most efficient way to heat water? Should we just head up what we need as and when we need it, or leave a reservoir of warm water ready to go?
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Is sending an e-card more environmentally friendly than sending one made from trees?
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Which are worse for the environment, volcanic eruptions or plane emissions?
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Why does moving backwards make you feel ill? We will have the answer for you on our show, 17th October. Until then, what do you think?
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Why is it when the Spanish came to "the New World" it was in a sort of "bronze age" (in general) as far as technology while Europe had Da-Vinci, the Renaissance, iron, guns etc. was it geography, religion, nutrition?
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When I brush my teeth with an electric toothbrush my vision remains normal
unless I look at a computer screen or digital LED clock in which case the image
is shimmering. Why the difference?
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If you're driving towards a radio mast - does the music you're listening to get doppler shifted? Would there be a difference in the tone or tempo?
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How is money made, and how are the different colours formed?
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Is it possible to make a phone call from a black hole?
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How do countries measure their Carbon Dioxoide output? Could we be over/underestimating a nation's emissions?
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Why does television signal improve when you hold the aerial?
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When I was younger I was told not to sit too close to the TV. Is it an urban myth that it's dangerous to sit too close? Or does the TV emit radiation? Does this still apply to modern televisions?
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How does an artificial pacemaker know how fast the heart should beat?
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With the budget introducing the £2000 subsidy to scrap old cars, I'm trying to figure out how much energy and carbon goes into the manufacture of a new car. Considering the increase in efficiency of the new car, how many miles would I have to drive to achieve an overall carbon saving?
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Can you keep your pipes clean and clear by applying a magnetic field?
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How much energy is used when you do a Google search?
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