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March 14th...giornata della matematica, Pi Greco day. Perchè non utilizzare le cifre di π per costruire una spirale, la spirale di Archimede, da appendere in classe o nel corridoio? Se appesa sopra un termosifone o un'altra fonte di calore, diventa una divertente attività ed esperimento con cui scoprire alcune caratteristiche dell'aria: la spirale ruota e si muove perchè spostata dall'aria calda. L’aria calda è più leggera dell’aria fredda perché meno densa e sale verso l’alto. https://maestramonica.it/pi-greco-day-la-spirale-di-archimede-matematica/
Watch the heartbreaking real-time moment this beautiful boat, Seaglass, gets battered by massive waves and ultimately goes under during a severe storm. Mother Nature's power is absolutely unmatched! Have you ever experienced weather this rough or seen a boat take on this much water? Let us know your craziest storm stories in the comments below! Don't forget to hit that subscribe button for more extreme weather and viral boating moments! 👇 #boatsinking #stormdamage #marina #roughseas #boatingfail #hurricane #stormsurge #boatlife #mothernature #caughtoncamera #extremeweather #boatingdisaster #shipwreck #oceanwaves #yachtfail