ماذا حدث قبل الانفجار العظيم؟ - نظرية الارتداد العظيم وأزلية الكون

IHTIMAL_احتمال January 3, 2021
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لدعم القناة على باتريون https://www.patreon.com/ihtimal للإنضمام إلى القناة https://www.youtube.com/channel/UCyFV... facebook page : https://www.facebook.com/احتمال-10730... instagram : https://www.instagram.com/mr_ihtimal/ || دمتم بخير وفي شك دائمين|| أراهن أنك في لحظة ما من حياتك, توقفت لتسأل نفسك, كيف بدأ كل هذا؟ متى بدأ الزمن ؟ هل كانت لحظة بداية ؟ وإن كانت لحظة بداية, ماذا كان قبل هذه اللحظة؟ ماذا لو لم تكن لحظة بداية؟ هل هذا يعني أن الكون أزلي؟ الكون.. أعرف أنه كبير جدا.. واسع جدا.. لكن! أين ينتهي؟ ألديه حدود؟ ماذا يوجد بعد هذه الحدود؟ وماذا لو لم يكن له حدود ؟ هل هذا يعني أن الكون أزلي؟ الفيديو محاولة لمناقشة سؤال أزلية الكون من وجهة نظر علمية, تستند على علم الفيزياء, و سأبدأ فيها بتمهيد لما يعرف بالجاذبية الكمومية من خلال ما يسمى في الأوساط العلمية بالجاذبية الكمومية الحلقية التي تطرح نظرية الارتداد العظيم عوض الانفجار العظيم.. وستكون الحلقة الأولى من سلسلة حلقات ستتطرق لتعريف المشاهد العربي بأخر النظريات العلمية التي تحاول أن تجيب عن سؤال ماذا حدث قبل الانفجار العظيم.. 0:00مقدمة 00:38الإطار العلمي للسؤال 01:41مبادئ فيزياء الكم 04:02النسبية العامة بأختصار 05:55مشكل في النسبية العامة 07:42مفتاح حل المشكل 07:59دمج الكم بالنسبية العامة 08:46صعوبة دمج الكم بالنسبية العامة 10:26اقتراح فكرة الجاذبية الكمومية الحلقية 12:17ماذا حصل في اللحظة الأولى من خلق الكون ؟ 13:49نظرية الارتداد العظيم 14:32ارتداد واحد أم مالا نهاية من الارتدادات ؟ 15:14أزلية الكون 15:40هل من دليل تجريبي؟ 17:02خاتمة المراجع: كتب تبسيط علمي: the order of time: carlo rovelli three roads to quantum gravity: lee smolin مقالات علمية: https://arxiv.org/abs/gr-qc/0602086 https://arxiv.org/abs/1103.2475 https://www.nature.com/articles/s41598-017-06616-y كما يمكنكم الرجوع إلى هذا الفيديو المتاح على اليوتيوب: https://www.youtube.com/watch?v=IFcQuEw0oY8&t=1091s دمتم بخير وفي شك دائمين مستر احتمال

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