Thermodynamics: The 2016 advent calendar
Day 10

Burning biscuits

What happens when you burn biscuits with a blowtorch?

Energy cannot be created or destroyed, but it can be released. This video shows two reactions that start with the same amount of energy, but produce very different results. The total energy involved is the same, but in one case it is very violently transformed, and in the other it remains locked in its delicious starting state.

A simple demonstration of the first law of thermodynamics.

More about thermodynamics