Every autumn, people scoop out giant pumpkins, hop inside, and race them across lakes. They call these pumpkin regattas.
It sounds crazy, but giant gourds actually make great boats. A 1,000-pound pumpkin might look heavy, but its inside is mostly air and water. Once you scrape out the seeds and pulp, you leave behind a thick, lightweight hull.
When you slide that giant shell into the lake, it pushes away a huge volume of water. As long as the pumpkin weighs less than the water it displaces, it stays afloat. That is basic buoyancy at work. Gravity pulls down, water pushes up, and off you paddle.
Nature built those thick gourd walls to move fluids efficiently. Your home plumbing needs that same smart design.
Takeaway: Before freezing temperatures hit this season, disconnect your outdoor garden hoses and drain your spigots. Trapped water expands when it turns to ice, and split pipes are a lot less fun than pumpkin boats.
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