If I had to lay money on it, I'd be willing to favor the position that aliens we're talking to via radio have the concept of electrons, and metals, and the numb

If I had to lay money on it, I'd be willing to favor the position that aliens we're talking to via radio have the concept of electrons, and metals, and the number forty-seven. The really esoteric branches of mathematics, I could see huge variances. Materials sciences would vary widely. But the basic high school stuff? I'd lay odds on it.