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Yet another something-for-nothing dreamer
Quote
'Hydrogen Production Method Could Bolster Fuel Supplies' 'Researchers have found a way to produce pure hydrogen with far less energy than other methods. The development would move the country closer to the Energy Department's goal of a "hydrogen economy," in which hydrogen would be created through a variety of means, and would be consumed by fuel cells, to make electricity to run cars, and for other purposes. The new method involves running electricity through water that has a very high temperature. As the water molecule breaks up, a ceramic sieve separates the oxygen from the hydrogen.'
Unquote When something sounds too good to be true, it usually is. It's a law of physics, arguably the most important, that you can't get something for nothing. All you can do is transform matter and exchange energy, that is, convert it into another form of energy. The phrase '... water that has a very high temperature' is the interesting bit; where does the energy come from to heat this water? I bet it and the electricty which is 'passed through' is greater than the energy contained in the hydrogen molecules, there's always a loss in any energy tranfer. The Earth's only energy source is the sun, Sol. Without it the planet would be a lifeless frozen lump drifting through space with all the other lifeless, frozen lumps. It enables life. What we have been burning for a couple of hundred years is the stored solar energy stored in millions of plants from millions of years ago. It had to run out. The energy from our sun has been hitting the planet since its birth, and was responsible for life evolving; first in the sea 540 million years ago, and then on land 500 million years ago when the ozone created in the sea had travelled up and formed a layer in the upper atmosphere, thus screening enough of the harmful rays for everything up to and including us hominids to evolve. We have consumed 95% of these fossil fuels and much of the still growing remnants of forest. Crops grown annually as fuel are one way of generating energy while adding nothing to the atmospheric carbon equation. Tree planting is a way of reducing the carbon equation. All old forest felling should be banned worldwide and woods from them treated as contraband. New tree planting shoud be a priority both for present needs and future forests. Nuclear is creating your own sun and thinking you have control. The domain of the criminally insane. Waste with a half-life of millions of years is already a major problem in increasingly huge quantities. It would take decades and cost hundreds of billions to replace the ageing UK reactors. So any way we can harness energy from the sun should be considered the only way to go, and money spent on anything else as short or long term fixes as wasted. We can't afford to humour the rural middle class's precious views and listen to their incessant objections to wind turbines, it's survival of not just our species but thousands of others that's at stake, so they'd better get used to seeing wind generators. All of us should. Their beauty lies not just in their sleek, elegant lines, but in the fact that they are cleaning up our act and giving us a future.
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PLEASE VISIT THE CONTRIBUTOR'S WEBSITE
Fool on the Hill
A blog about the state of the world
www.oneworldnet.co.uk/blog/index.php
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