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Looking for a great physics site? We've tracked down the very best and checked them for accuracy. Just pick a topic, tell us your age and knowledge level and we'll do the rest.
Solar Stormwatch
Help scientists spot explosions on the Sun and track them across space to Earth.
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Kettle noises
Nice explanation of why kettles make that rumbling noise until just before they boil.
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Weird physical phenomenaCheck out all Top 4s
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The Leidenfrost Effect (video)
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The Leidenfrost Effect (video)
The Leidenfrost effect explains why water sometimes 'rolls' off a hot plate or frying pan, and how some experts can dip their hands into liquid nitrogen or even molten lead without hurting themselves
Visit siteHits: 1621
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The Brazil Nut Effect
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The Brazil Nut Effect
Why do raisins always rise to the top of cereal pack? It's the Brazil nut effect.
Visit siteHits: 1335
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The Mpemba Effect
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The Mpemba Effect
The Mpemba Effect is a bizarre phenomenon where hot water freezes faster than cold water. This site gives a basic introduction to the ideas involved.
Visit siteHits: 1059
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The Hot Chocolate Effect
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The Hot Chocolate Effect
If you stir a freshly poured cup of instant coffee or hot chocolate, the sound of your spoon clinking against the side of the cup rises in pitch. Why?
Visit siteHits: 1532
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The Science of Photography
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The Science of Photography
Great site introducing some aspects of the physics involved in photography such as focusing light and lenses with some nice illustrations.
Visit siteHits: 325
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Pipes
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Hits: 200
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WebElements Periodic Table
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WebElements Periodic Table
Select an element from the periodic table for a description and basic physical and historical data.
Visit siteHits: 435
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Small Oscillations
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Small Oscillations
Part of a larger site, includes detailed definitions of this, and related, phenomena.
Visit siteHits: 375
Recently added
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15/03/2010 12:01:48 | Why does helium make your voice squeaky?
A simple explanation of this party trick.
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15/03/2010 10:58:45 | Spacehack
A directory of ways to participate in space exploration, interact and connect with the space community through participatory projects and the like.
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09/03/2010 16:14:15 | A Diary of Numbers blog
A blog all about bizarre fermi estimations e.g. how many characters you would type if you fell asleep on your keyboard or how many people it would take to hold back a whale