Sub-Theory 3 posits that the Atomic Bag, a seemingly innocuous container, is actually a portal to another dimension.
This theory proposes that whenever a user opens the Atomic Bag, they are not just accessing a simple container, but rather, they are bridging the fabric of space-time itself.
Proponents of this theory argue that the Atomic Bag's ability to hold an absurd amount of stuff (e.g. 1000 rubber chickens) is not a product of its design, but rather, a result of its connection to the multiverse.
Critics of the theory argue that it's just a bunch of hogwash and that the Atomic Bag is just a bag.
Sub-Theory 4: The Atomic Bag is a Portal to a Parallel Dimension