• Teaching physics

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    • There are foibles in all of us. There are even Physics Foibles. Entropy is one of them.

      Inside a warm damp cave, completely sealed off from the outside world, will life survive?

      Answer: No life forms could flourish indefinitely.

      In an isolated system, entropy always increases. Life tries to push entropy in the opposite direction. When life is created, entropy decreases in the cave but nature demands a greater entropy increase offset.

      The cave, being sealed, would mean that entropy would reach its max, thus energy necessary to sustain and generate new life would be unavailable.

      Maybe we should learn a lesson from this. Available energy is mandatory. Wealth may equate to available energy. If you want to live in a nation that is prospering, make sure that its available energy supply is abundant.