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6. Sideline 2 – Evaporation from a water droplet
Evaporation of water from the leaves and the resultant cooling effect is best modelled by using the kinetic theory (see Post 1). In a drop of water you can have as many as 1021 water particles...
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9. Hello Gaia
It was in 1980 that I first met Gaia when I read ‘Gaia: A New look at Life on Earth’ by James Lovelock and then the ‘The Ages of Gaia’ in 1990 where I met the Daisy World and became completely...
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10. Sideline 3 – Hypothesis, theory and falsification.
This can become an area of madness in science which seems to have been created by a philosopher called Karl Popper. I had a colleague I once worked with who swore by Popper, and there was a slight...
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11. Mars a dead planet (Version 1)
In ‘The Vanishing face of Gaia’ Lovelock lists ten predictions that have been derived from the Gaia theory (p 116). Eight of them has undergone the process of falsification and therefore the...
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11. Mars a dead planet (Version 2)
When you put two chemicals together there is normally some kind of reaction and new products are formed. A + B = C +D Using the same argument C and D will react giving C+D = A + B. Eventually at some...
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11. Mars a dead planet (Version 3)
The atmosphere of the Earth is magical. Somehow the mixture of Nitrogen, Oxygen, Carbon Dioxide and other gases have, over millions of years remained constant. By the laws of chemistry the atmosphere...
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12. Gaia – the Living Planet
Mars is lifeless (until falsified). Earth was once lifeless 3.5 billion years ago. Something then happened. It is thought that within the chemical mixture and high energy electrical activity a mixture...
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12.1 The Living Planet
We are now living on a planet that has for about 2.5 billion years maintained Oxygen levels at an amazing 21.5%, against all odds. during this period their has been asteroid strikes, major volcanic...
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14. New and frightening
Having just read an article based upon a book by Stephen Emmott ( Observer 30.06.13) I am even more concerned about the future of my(our) grandchildren. Stephen is an eminent scientist leading a...
View ArticleA Story Begins
Here I am with an idea that I would like to develop. It’s not a bad idea. It’s been written about in the press over the last six months and probably longer than that. It has the potential to earn a...
View ArticleFreezing Ice cream
You apparently do this in the classroom by using ice and salt. What is the physics of this?Do I suspect latent heat? Struggling.
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6. Sideline 2 – Evaporation from a water droplet
Evaporation of water from the leaves and the resultant cooling effect is best modelled by using the kinetic theory (see Post 1). In a drop of water you can have as many as 1021 water particles...
View ArticleAbout Me
About Me If you are interested in finding a little bit about me …. here it is. I have a PhD in Chemistry, a PGCE, a Masters in Education. For ten years I taught in UK state secondary and primary...
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Gaia-Yes or No ? (for 8 -12 yr old)
Some time ago a well known scientist (James Lovelock) suggested that the Earth (our planet) was special. He claimed that the Earth itself was a living thing and had control over its environment. He...
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Gaia – Yes or No ? (12-18 yr old)
Gaia image by Josephine Wall (the presence of Gaia) My question is, do you believe the arguments outlined below, or not? Read the arguments and make your own post on your own blog or comment on this...
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Gaia (12-18) Yes or No?
In Greek mythology, Gaia is the ancestral mother of all life: the primal Mother Earth goddess. Gaia image by Josephine Wall (the presence of Gaia) The Gaia hypothesis was co-developed by a notable...
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Gaia (8-12) Yes or No?
Some time ago a well known scientist (James Lovelock) suggested that the Earth (our planet) was special. He claimed that the Earth itself was a living thing and had control over its environment. He...
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