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Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Unedited at normal speed. I didn't quite understood the need for a razor blade but without one I still see the flow of air. For me, the razor blade just makes the dot of light smaller(?) If anyone can clarify me what the razor blade really does and where it should be placed (in the source of light or in the camera) I'd really appreciate. Also important to note that this is AWESOME to look with the naked eye but almost the dimmest light can blind you. I covered a tiny LED torch with aluminum foil and punctured a hole with a sewing needle, on the side! so that the LED doesn't bright directly through the hole. Take care with the eyes!!

donotpushhere

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Motor boat - Både sælges, Nimbus 22 DC, 1991 DKK 189.000 Scanboat https://www.scanboat.com/en/boat-market/boats/motor-boat-nimbus-22-dc-17498778

scanboat24

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Mit Vollgas Richtung Ziel

segelreporter

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🇫🇷 Damien Seguin franchit à son tour le Cap de Bonne-Espérance, l'ouvrant à un nouvel océan. 🇬🇧 Damien Seguin also crosses the Cape of Good Hope, leading him into a new ocean. ------------------------ ➡️ SUIVEZ-NOUS ! // FOLLOW US ! 🔗 Website : www.vendeeglobe.org 📸 Instagram : https://www.instagram.com/vendeeglobe/ 🐦 Twitter FR : https://twitter.com/VendeeGlobe | Twitter ENG : https://twitter.com/VendeeGlobeENG 🕺 TikTok : https://www.tiktok.com/@vendee_globe 💻 Facebook : https://www.facebook.com/VendeeGlobe 💼 LinkedIn : https://www.linkedin.com/company/vendée-globe/

vendeeglobetv

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VİRA Yatçılık ve Kürek Kulübü - santralistanbul 2014 - 2023 VİRA, 2014 yılında İstanbul Bilgi Üniversitesi santralistanbul kampüsü Haliç kıyısında atıl vaziyette kalan elektrik santraline kömür taşıyan gemilerin yanaştığı bir asırlık tarihi rıhtımı kiralayarak bir yelken-kürek ve etkinlik merkezine dönüştürmüştü. 2023 yılı Eylül ayına kadar hizmet veren VİRA santralistanbul bu tarihte üniversite ile anlaşmanın sona ermesi nedeniyle boşaltılmıştır. 2005 yılında bir yelken okulu olarak kurulan VİRA, faaliyetlerine Haliç'te İBB Su Sporları Merkezi'nde ve Kalamış Setur Marina'da devam etmektedir. 📍 Ayrıntılı Bilgi İçin: T: 0212 427 44 01 E: vira@virayatcilik.com W: www.virayatcilik.com - - - - - - - - - - - - - - - 🎥 : CreadvHouse (www.creadvhouse.com) #virayatcilik #virakayikhane #santralistanbul #yelken #vira

virayatcilik2005

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sailing_barefoot

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43,620