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magnesium

How do sparklers work?

17 Sep 2021

You stick them into a birthday cake, stand back and revel in the brilliant shower of sparks. What you are witnessing are glowing metal particles, usually aluminum, but iron titanium, zinc or...

Washing your hair? In Vancouver soap will work, but in Montreal it has to be shampoo.

2 Jul 2021

Did you know that in Vancouver you can wash your hair with soap but in Montreal you need shampoo? Why? Because Vancouver water is soft and Montreal water is hard. That makes a big difference when...

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