I can't tell which balls are which numbers. Having a bigger screen would be nice, or having numbers pop up when you mouse over the balls (and the ability to turn it off in the menu)
Repair button in shop *does* work, you just have to leave the room for it to register. If you click it more than once it gives you a message saying you are already at max health.
This is crap. Magnetic fields are always dipoles. If you wanted a monopole, you could have just had positive and negative electric charges. And yes, I'm a nerd. Screw you. :(