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This a luxury personal submarine!
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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/
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Day Skipper RYA sailing course. Trafalgar Sailing Gibraltar. www.trafalgarsailing.co.uk Tel+34 699411194
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Sailing Rules of the Road When Sailboat Meets Sailboat There are only three basic possibilities, and three basic boating rules of the road to follow, when your sailboat approaches another sailboat. Rule 1: When you are on the same tack as the other boat, the leeward boat has the right-of-way. Rule 2: When you are on opposite tacks, the starboard tack boat has the right-of-way. Rule 3: If you are overtaking the other boat, or it is overtaking you, the boat ahead (the overtaken boat) has the right-of-way.
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Cristal beer testet by group of skipper
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