3 ms·
I forget where I read it but I thought that the visible spectrum likely developed because it can penetrate water and that was where the first life began. Any la
by mitchty 10y ago
I forget where I read it but I thought that the visible spectrum likely developed because it can penetrate water and that was where the first life began. Any later development of depth perception would seemingly be a tangential thing and not implicit to the wavelengths used by our eyes. Don't blue and green wavelengths pass through water rather well?