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How to describe gravity at the quantum level? Why do different particles exist? How can we test for extra dimensions? The answers are in this video from ScienceClic. 0:00 – Introduction 2:17 – Strings and Oscillations 4:03 – Dynamics and Interactions 7:14 – Superstrings 10:09 – Compact Dimensions 13:50 – Conclusion Previous ScienceCLic voiceovers: Quantum Field Theory: • Quantum Field Theory: Visualization o... Jumping into a Black Hole (ScienceCLic): • Jumping into a Black Hole (ScienceCLic) New Visualization of General Relativity: • New Visualization of General Relativity... General Relativity: • ScienceClic: General Relativity... Patreon of the channel with voiceover: / voicepower Telegram: https://t.me/voicepower VK group: https://vk.com/public60480847 For donations for voiceover: https://boosty.to/voicepower https://yoomoney.ru/to/41001106158836/ Original eng: • String Theory Original fr: • La théorie des Cordes Original author's Patreon: / scienceclic Original theme song: / aroussel