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👉 Discover the exclusive CyberGhost VPN offer here: https://cyberghostvpn.com/ChristopheP... Can we really travel through time? Behind this question lies one of the most fascinating mysteries of modern physics. Einstein's theory of relativity proves that travel to the future is possible: cosmonauts, particles, and satellites experience it every day through time dilation. But going back in time… that's another story. Grandfather paradox, information without origin, broken causality: the past resists our equations. Even the most audacious theories—wormholes, cosmic strings, Tipler cylinders—run up against the limits of reality. What if time, instead of being a road we travel along, were just an illusion… that we merely pass through? ___________ 🌌 CONTINUE EXPLORING Want to delve deeper into the subject? You're in the right place! Here are three resources I personally recommend: 🎙 An interview I conducted with a scientist ➡ Stephen Hawking facing the time travel PARADOX | Science & Vie    • Stephen Hawking face au PARADOXE du voyage...   📚 A book I particularly enjoyed ➡ Time Travel — Marc Lachièze-Rey https://www.seuil.com/ouvrage/voyager... 🔬 A scientific article I read during my research ➡ Experimental simulation of closed timelike curves https://www.nature.com/articles/ncomm... ___________ 🖋 Research, writing, voiceover: Christophe Pauly 🎨 Art direction and main editing: Margaux Charrière 🎞 Additional editing: Ophélie Malinowski 🎧 Sound design: Anissa Altmayer 🤖 This video contains some AI-generated images for illustrative purposes. 🤝 Business collaboration: [email protected] Follow me on: ➡ Facebook:   / christophepauly.tv   ➡ Instagram:   / christophepauly.tv   ➡ My website: https://christophepauly.fr ___________ 00:40 – What is time travel? 01:13 – Time paradoxes 03:24 – Traveling to the future: scientific evidence 04:32 – Time dilation explained 05:36 – Concrete examples: cosmonauts & muons 06:45 – GPS and relativity 08:30 – Traveling to the past: theory 10:58 – Wormholes, cosmic strings, cylinders 12:12 – The great paradoxes: logic & causality 13:57 – Parallel universes & the principle of consistency 15:40 – Scientific experiments 17:29 – Why it's stalled (exotic matter, instabilities) 18:50 – Hawking's conjecture 19:35 – Causality in quantum mechanics 21:23 – Possible future, forbidden past