Sabine Hossenfelder discusses the physics of… dead grandmothers? Subscribe to Big Think on YouTube ...
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Is your dead grandma still alive? | Before Einstein… and after | Relativity of simultaneity, explained | Spacetime and the ‘block universe’ | Eternal existence: The conservation of quantum information | “I know it sounds crazy, but…”
Albert Einstein taught us that space and time belong together to a common entity: space-time. This means that time becomes a ...
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Intro | Space-time | Space-time diagrams | Special Relativity | The Relativity of Simultaneity | The Block Universe | The if's and but's | Sponsor Message
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