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Showing 1 - 9 of 9
Showing 1 - 9 of 9
What is the difference between nuclear fusion and cold fusion?
This is a clear explanation of cold fusion from physlink's Ask Experts page.
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Hits: 198
Temperature and Absolute Zero
When an object feels hot, the atoms inside it are moving fast in random directions, and when it feels cold, they are moving slowly and when it gets cold enough they stop moving - this is called ...
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Hits: 205
The Mpemba Effect: Hot Water Freezes before Cold
The Mpemba Effect is a special phenomenon where hot water freezes faster than cold water. This site gives a basic introduction to the ideas involved.
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Hits: 320
Engines that came in from the cold
A Channel 4 site giving some of the history behind rocket development.
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Hits: 133
What BEC looks like
What does a Bose-Einstein condensate look like - well it looks like a dense little lump in the bottom of the magnetic trap/bowl; kind of like a drop of water condensing out of damp air onto a cold ...
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Hits: 183
A Short History of the Missing Mass and Dark Energy Paradigms
The paper traces the evolution of our thinking about the density of the Universe, with emphasis on the discovery of cold dark matter.
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Hits: 333
Hot Water Freezing?
A brief discussion (with a slightly disbelieving tone) of why hot water freezes faster than cold water. Links to a related section on the Mpemba Effect.
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Hits: 252
Ice is Nice
A lesson plan for younger pupils. Objective: Use problem solving skills to investigate freezing of water, melting of ice and expansion of ice on freezing. Also mixing of hot and cold water.
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Hits: 173
The Mpemba Effect?
There is in fact a large body of literature about initially hot water freezing faster than cold water and this phenomenon has been labeled the "Mpemba effect".
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Hits: 196
Showing 1 - 9 of 9