I like Bob's argument. Here's another argument that Sheldon et al didn't consider:
1) Superman's aura protects him and his immediate environment. It protects his clothes, for example.
2) Superman routinely performs feats that should cause structural failures. He picks things up by parts that should be to weak to support them, stops objects too quickly and so on.
3)
It has been shown that an electric ...ing defects within conducting materials. 4) If Clark's aura also acts by reinforcing molecular bonds of objects that he is touching then, as Superman caught her, the molecules in Lois's body would immediately become much stronger and she would be immune to the forces applied during her rescue.
What about damage to his cape? Either the woven nature of the material makes it too disconnected (i.e. a thread touching another thread touching another and so on) for the aura to fully penetrate it or, maybe, subconsciously he just doesn't like it.
By the way, this might also have implications in Clark's laundry room. If Clark's aura reinforces molecular bonds then no amount of scrubbing (by him) will take stains out of his uniforms. Looks like Lois gets stuck with the laundry at the Kent house.
And again, those guys in "Big Bang Theory" need to study their Physics a little more closely. After all, the purpose of science is to attempt to explain what
is happening, not to explain how what is happening can not happen. The old standby that "according to the laws of aerodynamics bumblebees shouldn't be able to fly" said more about how little we knew about their flight than about
how bumblebees fly .
