I have been reading about Adam and AdamW (Here). Author mentioned that in "uncentered variance" we don't consider subtracting mean In this statement, the Author is talking about uncentered variance and how it becomes equal to the square of the mean. I want to understand what exactly is uncenter...

I had a question on a quiz that asked if the compound below was meso or not. I thought that it would be meso because there is a plane of symmetry going through the two methyls, but the answer was that it is not meso. I'm pretty sure that plane of symmetry is allowed to go through atoms, so I was ...

New atomic model explanation This video is talking about What led to the new atomic model. The big idea that the atoms nucleus is surrounded by electrons that have both a wave and a particle-like behavior The development of a new atomic model. What is meant by the dual wave -particle nature of li...