Maybe! Or maybe you could interest him in a printing press, or a sextant, or at least a plow? That is sort of my point in the second-to-last paragraph (about shape/​direction vs. rate).
Maybe! Or maybe you could interest him in a printing press, or a sextant, or at least a plow? That is sort of my point in the second-to-last paragraph (about shape/​direction vs. rate).