If you've made hot cocoa with powder, you've probably experienced the dark sludge at the bottom of the cup. This chocolate goop seems unavoidable, despite being absolutely certain that you...
Ice is great in a beverage or on a skating rink but we don鈥檛 want it on our streets. How do we melt it? Potassium acetate, sodium chloride, calcium chloride, magnesium chloride or聽 urea will do the...
Why is it that in hot countries we put salt on ice in the ice cream makers to keep the ice from melting, while in cold countries we put salt on ice to melt it? In both cases, the answer is based on...
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