Invisible Extraterrestrials? World-Leading Physicist Says "They Could Exist in Forms We Can't Conceive" (A Galaxy Classic)

Invisible Extraterrestrials? World-Leading Physicist Says "They Could Exist in Forms We Can't Conceive" (A Galaxy Classic): "“They could be staring us in the face and we just don’t recognize them. The problem is that we’re looking for something very much like us, assuming that they at least have something like the same mathematics and technology.'"