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Veritasium
A selection of films suitable for use in the classroom presented by Derek Muller the from the ever popular Veritasium YouTube channel .
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What is NOT random?
This challenging video takes a philosophical approach to discussing what information is. It begins by equating information to entropy. Entropy is explained as the degree of order or alternatively randomness that exists. Examples of ordered information are the arrangement of molecules in DNA, letters in words and...
What's in a candle flame
This video uses two oppositely charged metal plates to demonstrate that a candle flame contains ions. Positive ions are attracted to the negative plate, while negative ions the positive plate. Even when the candle is extinguished, the smoke is attracted to both plates and so must also contain ions.
...Why women are stripey
This video explains the structure of DNA and the role of histones and methyl groups in deactivating one of the X chromosomes in a female. The deactivation of one X chromosome is random. As mitosis reproduces cells, they may contain the X chromosome inherited from the father or the mother. This can’t be seen in...
World's longest vertical straw
This video explores how far a liquid can be sucked up a tube. The theoretical maximum if a vacuum is created above the liquid is 10.3m. How well do they do and does the diameter of the tube affect the results?