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What is the hottest fire?
culture
What is the hottest fire?

The hottest flame ever produced was at 4990° Celsius. This fire was formed using dicyanoacetylene as fuel and ozone as the oxidizer. Cool fire may also be...

Can ice get freezer burn?
science
Can ice get freezer burn?

People sometimes call this phenomenon “freezer burn,” and it happens when tiny ice crystals on the food's surface evaporate directly into vapor witho...