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Richard Feynman on New Laws of Physics

full lecture at https://www.youtube.com/watch?v=-2NnquxdWFk&t=1006s

From  John Terning on June 17th, 2021 0 likes 1 plays 0  

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pKa of Carboxylic Acids and Derivatives.

From  Sarah Lievens on April 4th, 2021 1 likes 448 plays 0