Sygnificant events in energy
Before people could read and write, fire was discovered to be good for cooking, heating and scaring wild animals away. Fire was civilization's first great energy invention, and wood was the main fuel for a long long time.
Isaak Newton explained the workings of the universe trough mathematics. He formulated laws of motion and gravitation. These laws led to measurements and predictions of all things scientific.
Ben Franklin figured
out that static electricity and lightening were the same. His correct understanding of the nature of electricity paved the way for the future.
Maxwell published mathematical theory of electromagnetic fields unifying magnetism electricity and light. A new era of physics was born in the discovery of the four laws of electrodynamics. "Maxwell equations" led to electric power, radios and television.

Albert Einstein wrote the theory of relatively unifayng mass, energy, magnetism, electricity and light. Einstein's formula E=mc2 lead to nuclear medicine, a longer life span, astrophysics, and commercial nuclear electric power.

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