Additional photo sources:http://www.sxc.hu/photo/719521 http://www.sxc.hu/photo/465330
I went for a visual that could symbolise atoms, orbits, trajectories and mechanics. All things which we know about because of math and physics.
I know it's a little on the funky side, but I think (hope) it fits the bill.
Colors of course may be edited.
big company