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Nyan guy
daveman2003
62 views
Because too much NYAN is never enough
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Forfty Per Cent
daveman2003
1,560 views
Homer teaches the world how to respond to claims regarding statistics
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Physics is phun 1: The soprano glass
daveman2003
892 views
Yes, my awful puns have expanded into physics as well.
Here, we're looking at the shattering of glass with a well-pitched sound.
Each substance has its own "resonance...
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Chemistry is chool 9: Acidity of sulphur oxides
daveman2003
739 views
Here, we're looking at the acidity of oxides of sulphur, in particular, SO2 (Sulphur dioxide) and SO3 (Sulphur trioxide).
Oxides of non-metals tend to be acidic, and sul...
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Chemistry is chool 8: Unrefining Zinc and Iron
daveman2003
197 views
Here, we're looking at the reverse process of metallurgic refining.
Normally, minerals are refined from their ores by various processes, including burning with carbon, s...
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Chemistry is chool 6: Supersaturated sodium acetate
daveman2003
126 views
Here, we're looking at the recrystallisation of supersaturated sodium acetate.
A supersaturated solution is one that has been heated to a high temperature, in order for ...
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Chemistry is chool 4: Luminol
daveman2003
80 views
Here, we're looking at the process of chemiluminescence.
Luminol, formula C8H7N3O2, is a chemical which, when reacted with the proper oxidising agents, will become lumin...
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Chemistry is chool 3: Doughnuts and liquid oxygen
daveman2003
221 views
Here, we're looking at the explosive behaviour of oxygen.
A condenser was placed in the chemistry lab in order to compress air flowing into it. Oxygen has a boiling poin...
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Chemistry is chool 1: Burning Hydrogen
daveman2003
96 views
Here, we're looking at what happens when Hydrogen gas is burnt.
Hydrogen is a very explosive gas. When exposed to a naked flame, it will react with Oxyden in the air to ...
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Chemistry is chool 7: Phosphorus combustion + lecturer gets burned!
daveman2003
298 views
Here, we're looking at a solution of Phosphorus in Carbon disulphide.
Carbon disulphide is a liquid with a low boiling point, causing it to evaporate at room temperature...
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