Transcription: E equals mc squared is probably Einstein's most famous equation. It says that matter and energy are really the same thing, and you can convert one into the other. Not that it's easy. It takes an enormous amount of heat and pressure to make it happen. You can see the change from matter into energy most spectacularly in the stars. You see, converting matter into energy is what a star does best. It's part of the nuclear fusion process. Deep inside the star, gravitational attraction crushes together and heats hydrogen atoms so much that they actually change into a new element, helium. The unusual ...
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