What the HECK is a Tensor?!?
https://youtu.be/bpG3gqDM80w
The Impossible Function That's Essential to Theoretical Physics - Dirac Delta Explained by Parth G
https://youtu.be/aPnBZG2y_UM
The Trick that Makes Understanding Physics as Simple as Drawing a Picture: Physics Help Room
https://youtu.be/NvOvmgHSFx0