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Tag: general relativity

Physics, Secondary ed level

The meaning of E=mc²

The most famous equation may not be what you think it is. For example, it’s not about converting mass into energy. And, it’s only a part of the whole thing. Continue reading The meaning of E=mc²

KJ Runia2019-09-062020-07-02
Physics, Secondary ed level, Tutorial

Einstein’s special relativity in under 6.999 minutes for people on the move

Especially for people on the move, we discuss as briefly as possible the intricacies of Einstein’s special relativity. Continue reading Einstein’s special relativity in under 6.999 minutes for people on the move

KJ Runia2019-08-182020-07-02
Level 1 Undergraduate, Physics, Tutorial

What is a spacetime interval?

Einstein and collaborators taught us that space and time are not fixed quantities. They can stretch and contract. They vary. There is one thing, though, that does not vary. It is the invariance of the spacetime interval. Continue reading What is a spacetime interval?

KJ Runia2018-12-232020-07-02

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