Video: Drop a lit match in water, and it will immediately be extinguished. But model rocket engines, made mostly of potassium nitrate, sulphur and charcoal, will burn all the way through even when completely submerged. As this high-speed footage reveals, to test a rocket engine's apathy to H2O, you'll want to find something stronger than a glass fish tank for your experiment.
Tagged With model rockets
Video: Despite only giving you about a second of excitement at launch, model rockets are still a fun way for us (non-billionaires) to live out our dreams of space travel. But have you ever wondered what's happening inside a model rocket engine while you're standing a safe distance away from ignition?