Comments by "Lawrence D’Oliveiro" (@lawrencedoliveiro9104) on "ENGINE BLOCKS: Aluminum vs. Iron" video.

  1. 8:08 Back in the time of Napoleon III, aluminium was such a novelty (and expensive to produce) that he had a special cutlery set made out of it. Everybody else who was anybody in Europe had silver cutlery, but only he had aluminium!
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  2. 18:50 Consider a Mad Max post-apocalyptic scenario: the iron engine block is going to be easier to keep going in a collapsed civilization than the aluminium one.
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  3. 9:14 Fun fact: the density of the Earth is 5-and-something tonnes per cubic metre. This is less than that of iron. So while the core of the Earth is made mostly out of iron, clearly the Earth consists in large parts of materials other than iron.
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