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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Hallberg-Rassy 29 Scandinavia https://www.scanboat.com/en/17413425 Company info: In Ellös, Sweden, Hallberg Rassy is famed for quality boats like the elegant Hallberg Rassy 42 and compact 310. These well-crafted vessels excel in tough conditions, appealing to sailors globally. Hallberg Rassy’s shipyard crafts exceptional boats, creating lasting seafaring memories.

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► In Cape Town, where the largest production center of sailmaker Ullman Sails is now located, we discovered not just one sail-loft floor, but five or six! However, the story didn't begin in South Africa: it was in Newport Beach, California, that David Ullman, at the time aged just 21, built his first sail loft. The year was 1967. 12 years later, a second site was opened in Dallas, and growth continued throughout the 1980s and 1990s. Today, Ullman Sails is represented in 25 countries and has 75 sites. The largest of these is in Cape Town, South Africa, and this is the one we got to visit. There is a staff of 120, and sails of all materials are made here. There's one workshop dedicated to the manufacture of FiberParth membranes. It's also on these floors that the sails for the Leopard range - and many other catamarans built in South Africa - are made. Over the past 30 years, more than 100,000 sails have been produced here! The sailmaker is also diversifying its activities with a clothing range, Six Seven by Ullman. ► Become a FREE SUBSCRIBER to Multihulls World's YouTube page now - https://www.youtube.com/c/MultihullsWorld ► Log on to our website to discover over 500 multihulls tests! Subscribe to our newsletter to take advantage of our promotions and boat show invitations! https://www.multihulls-world.com/ ► Follow us on Facebook! https://m.facebook.com/MultihullsWorldMag/?locale2=fr_FR ► Discover us on Instagram! https://www.instagram.com/multihulls_world/ ► Follow our multihulls news on Twitter - https://twitter.com/multihullsworld?lang=fr ► Let’s talk about business on Linkedin https://www.linkedin.com/company/multicoques-mag-multihulls-world/ ► Like us on TikTok! https://www.tiktok.com/@multihullsworldmag @UllmanSailsTV @grandpavoisorganisation #multihullsworld #emmanuelvandeth #ullmansails #southafrica #capetown #sailsmaker #sails

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🇬🇧🌍 Living the Dream Aboard svKARMA Bryan and Jen, from @thedangerz, set sail 6 years ago aboard their BALI svKARMA. In this video, they share heartfelt words filled with gratitude and magic: 💬 "We still can’t believe how real this is. When we started, we had absolutely no sailing experience. Today, living our dream, exploring the world, and being young enough to fully enjoy this life… it’s indescribable." They live this incredible adventure every day aboard their BALI, proving that with courage and passion, anything is possible. ✨ And you? When will you start writing your own story at sea? __________________________________ 🇫🇷🌍 Vivre son rêve à bord de svKARMA Bryan et Jen, du compte @thedangerz, sont partis il y a maintenant 6 ans à bord de leur BALI svKARMA. Dans cette vidéo, ils partagent des mots empreints de gratitude et de magie : 💬 "On ne réalise toujours pas à quel point c’est réel. Quand on a commencé, on ne savait absolument pas naviguer. Aujourd’hui, vivre notre rêve, parcourir le monde, et être encore assez jeunes pour profiter de cette vie… c’est indescriptible." Cette aventure incroyable, ils la vivent chaque jour à bord de leur BALI, prouvant que tout est possible avec un peu de courage et beaucoup de passion. ✨ Et vous ? Quand commencez-vous à écrire votre propre histoire en mer ?

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Matt Miller sailing a Hobie Wave on a sweet reach across North Sound during the Hobie family fun week at the Bitter End Yacht Club, Virgin Gorda, BVI. November 2010

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