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To um actually your um actually, I think orbitals do overlap, isn't that the very concept of atomic bonding and interaction? There's a Wikipedia article but it's way beyond me. Shame we're not in [email protected], there's usually a few experts hanging round their to correct me!

I'll write an explanation here, but I'll try to answer all questions from the thread. Also quantum mechanics is complicated, so sorry for the long text.

Electron orbitals are weird and complicated, for hydrogen we can solve them analytically and depending on the quantum number of the energy levels we are looking at, they take the forms as in the picture on Wikipedia:

https://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Hydrogen_Density_Plots.png/1280px-Hydrogen_Density_Plots.png

Now whatever energy levels and quantum numbers are, what we are seeing is the probability of the location of the outer most electron (ok hydrogen only has one).

To understand bonds, we don't really need the picture of orbitals, but what's important is understanding that electrons occupy shells. A certain number of atoms can fit into a shell and when it's full, the electrons start a new shell. It gets complicated quickly with more electrons, however in the simpler case, a shell can fit 2n^2 electrons, where n is the shell number. So for n=1, a maximum of 2 electrons can fit, for n=2, a maximum of 8 electrons can fit.

Shells want to be filled, so that leads to two possible bond types. If an atom with a free electron comes close to an atom that has a free spot for an electron, the electron can hop over to the other atom, at which point we have an ionic bond (the atom that loses the electron loses one electric charge and is thus positively charged, the other atoms gains an electric charge and is then negatively charged, so they want to be together).

Another option is covalent bonding, where instead of an electron jumping to another atom, the atoms actually share the electron.

Now do orbitals overlap? I wouldn't give that question a yes or no, because, at that level, we can't really separate atoms anymore. When the atoms are far apart we can draw separate orbitals for both, but when they get together, new orbitals form that is the solution of the electronic configuration of the new molecule we just created. It's more like the orbitals that we have get deformed into new orbitals.

Is it electrons travelling in your brain that made you think that?

I have read about solipsism but I refuse to believe information I gathered from materials made from quarks and gluons, transported to my body via photons

Poetry needs more physicists who understand poetry, too!
In this case we end up with things getting called fun names like "quarks" instead of W- Boson and arid things like that.

putting a whole new modern spin on the "gay bomb"

I think they meant “electric field” rather than “orbital”.

Not to mention that orbitals “exist” infinitely (with negligible strength/probability).

Your mother has an exceptional gravitational force and I can feel it from here. 😎