@amazeifystore: How a tiny voltage mismatch nearly ended Apollo 13. 🚀 Imagine running a fire hydrant through a garden hose. That is exactly what happened when NASA upgraded the heaters to 65V but left the limit switches at 28V. This "minor" spec change baked the insulation into ash before the rocket even left the ground. Have you ever seen a small oversight break an entire system? Drop your stories below! 👇 #Apollo13 #EngineeringFail #NASA #SpaceHistory #TechDisasters #STEM #Aerospace #FailureAnalysis #EngineeringLife #HistoryBytes #SpaceX #ScienceFacts