Wonderful mix of the scientific with the magical, immaginative, and spiritual. Combined to deliver a heart warming and beautiful story.

The conservation of energy, schrödinger's cat, and the original source of the elements in our bodies in this case.

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

It makes sense for Sam to entertain the idea with his mom first rather than risk being shunned and ridiculed by a hard headed scientist.

forming a ball of light that would then send its rays out into infinity, seeking the direction of the window of the room where her son slept, to illuminate it with its eternal light.