Israel just attacked Iran. But why now?In this video, I explain the science behind uranium enrichment—and why it gets easier the closer you get to weapons-grade material. Using simple analogies (yes, including green M&Ms), I break down how uranium goes from rock in the ground to fuel for a nuclear bomb.And more importantly, I talk about why the timing of Israel’s attack—just days before a new moon—might mean Iran was closer than ever to crossing the nuclear threshold.