Each car battery provides ~12V, but when you connect 400 batteries, everything depends on how they’re wired: • Series = voltage adds up → potentially thousands of volts • Parallel = current adds up → massive amperage In this case, the system is designed to push an extreme amount of electrical energy through a single steel bolt. When current flows, the bolt resists that flow—and that resistance converts electrical energy into heat. Enough current + resistance = rapid heating, glowing metal, or even structural failure. This is the same core principle behind everyday tech: • Electric heaters • Fuses (designed to melt under excess current) • Industrial power systems Scaling up just makes the physics impossible to ignore. Drop your guess before watching: does the bolt melt, explode, or hold steady? Share this with someone who loves wild engineering experiments, and remix it with your explanation of what’s happening. #STEM #Engineering #Physics #Electricity #ScienceExplained