can you recommend any popular youtube channel that provide in depth explaination of theoretical phycics for high schooler and undergradute

 Sure, here are a few popular YouTube channels that provide in-depth explanations of theoretical physics for high schoolers and undergraduates:

• 1."Kurzgesagt – In a Nutshell" provides animated, easy-to-understand explanations of a variety of scientific topics, including theoretical physics.

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• 2."Veritasium" features videos that cover a wide range of physics and science topics, including theoretical physics.

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• 3."MinutePhysics" provides short, simple explanations of various physics concepts, including those related to theoretical physics.

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• 4."3Blue1Brown" creates animations and videos that explain complex mathematical and scientific concepts, including those related to theoretical physics.

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• 5."SmarterEveryDay" creates videos that explore a wide range of scientific topics, including theoretical physics.

These channels are a great starting point and you can explore more based on your interests and level.