This is a pretty tough watch even if you follow science and math. But, this guy has a new concept on resolving a lot of the weirdness around relativity. Most people are trying to pull relativity into quantum mechanics. His idea is to represent quantum behavior with his extension to relativity. If you watch Sabina Hossenfelder, you might like him. He's from the same school of trying to think outside the box and challenging popular notions.
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First Video