Tuesday, 3 October 2023

More fun than Hookes Law

A bit more fun than Hookes Law, using the @Lascells Strip Tester to find the stretch and then the breaking point of carrier bags. Which company sold the most robust bags? Even tried out a vintage Woolworths bag.


 

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Iron Ore Extraction

  Very small-scale extraction of ores. On a wooden spill with iron oxide Fe(III)O and some Sodium Carbonate, and place in a Bunsen Burner. T...