A climate researcher who disputes greenhouse gas theory has come up with a novel way to sieve out global warming spin: use a metal colander.
Alan Siddons, who along with Dr. Martin Hertzberg and Hans Schreuder co-authored the groundbreaking paper, ‘
A Greenhouse Effect on the Moon?’ has devised a simple and ingenious analogy involving a metal strainer and a light bulb to ally fears about global warming created by theorists of greenhouse gases (GHG).
Understanding this explanation makes it far easier to go on and comprehend how the Earth’s atmosphere actually behaves. Siddons shows that, like the colander, the GHG hypothesis doesn’t hold water.
Add a Light bulb to the Equation
He asks us to, "Imagine inverting a colander over a light bulb to make it a lamp shade. Since it’s got holes in it, some of the light will leak out. But since it’s also like a mirror, a lot of light will be reflected back. Thus, less light will escape and it will illuminate what’s under the colander rather than lighting up the ceiling. That’s basically how most people think of the greenhouse effect."
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The lightbulb is the earth emitting heat rays in this analogy, the colander is a layer of ‘greenhouse gases,' and what’s above them both is outer space, the "ceiling." So where’s the snag?
Well, by the tenets of greenhouse theory, the colander doesn’t actually reduce how much the lightbulb emits. Instead, the colander becomes so bright that the ceiling receives as much light as it did before!
"The colander now radiates what the light bulb isn’t radiating, making it appear that the colander isn’t doing a thing to prevent light from escaping. Thus this magical colander simultaneously stops light from getting out and releases all of it too."
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But the earth produces very little heat compared to that which it receives from the sun . The proper analogy would be to put the light bulb outside the colander , then ask what the temperature at the center of colander is . In that case , it's exactly what's calculated from the total energy impinging on the colander .
I consider it an indication of the pathetic state of understanding of the basic physics at issue that I find my own http://cosy.com/warm has the most accessible , correct , implementation of the century old quantitative textbook physics that I can find on the web . It shows that we are about 9 centigrade above that calculated by the simple sum of energy impinging on us . The 30+ centigrade number claimed by the alarmists ( and unfortunately embedded in the opening pages of a number of textbooks ) is maximum "anti-greenhouse" effect they could assume . That's why a "greenhouse effect" was found on the moon - because the eco-leninists' null hypothesis is over 20c too cold .