The idea of unification holds that all three of the Standard Model forces, and perhaps even gravity at higher energies, are unified together in a single framework. This idea, although it remains popular and mathematically compelling, does not have any direct evidence in support of its relevance to reality. (Credit: ABCC Australia, 2015)

Ask Ethan: What does “Grand Unified Theory” mean?

If the electromagnetic and weak forces unify to make the electroweak force, maybe, at even higher energies, something even greater happens?

Whenever we think about the Universe at a fundamental level, there’s always the temptation to wonder if reality might somehow be simpler than we perceive it to be. As complex and diverse as the natural world is, it’s humbling to recognize…