Sheldon was so deep in his work that Leonard had to check on him repeatedly, even offering tea. After hours of silence, Sheldon finally erupted with pride, revealing that his mind had “made a baby” in the form of a breakthrough: a stable, super-heavy element and a quantum vortex apparatus that could control orientation. When the system held its own stability, Leonard realized they had proof of concept for a workable guidance system. Then came the surprise U.S. Air Force email asking for a meeting, which made Sheldon smugly celebrate America and his own genius.