Vector, by Arianrhod

What a fun book ! I came for the history of vectors, hoping to get interesting linear algebra background. I got more interesting stories about the history of quaternions and quite a lot more on tensors and general relativity than I'd seen before. Possibly a narrow audience will enjoy it, but I was in that audience. i 2 = j 2 = k 2 = ijk = -1 Tensors vs. n-dimensional arrays of numbers Ever since…