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Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). 1/8th speed (15fps) and improved video performance because somehow Youtube cropped the last frames of the other videos (?) 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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45degreessailing

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Immagina pescare un tonno e poi mangiarlo a bordo di una barca a vela...😏⛵️ Un'esperienza del genere non la dimentichi facilmente. | Sei pront* per una fuga da sogno in barca a vela?😍 | ⚜️Richiedi Info e ottieni uno sconto sulla tua prima vacanza. |  #vacanze2023 #barcaavela #vacanzemare #vacanzeinbarca #sardegnaterraemare #isoleolie #marmediterraneo #tonnorosso

weekend_a_vela

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The Sun Odyssey 379 represents the perfect balance of ingredients that have made the Sun Odyssey range a success. The perfect sailboat in a range of exceptional yachts from Jeanneau. MGM Boats are proud distributors of Jeanneau Sail and Power boats. To see more about the Jeanneau Sun Odyssey 379 visit http://www.mgmboats.com/index.php/component/virtuemart/sail/sun-odyssey-379-detail?Itemid=327#/0 To contact MGM Boats, email martin@mgmboats.com. Visit our website http://www.mgmboats.com to see more Jeanneau listings, and hundreds of new and used boats in Ireland, the UK and the Mediterranean.

mgmboatsdublin

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15 uvala na Korčuli do kojih uvijek valja doploviti. Reportaža objavljena u MORE magazinu broj 274. https://www.more.hr/ https://www.instagram.com/magazin.more/ https://www.facebook.com/MoreMagazin

moresailingmagazine5238

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We had an great day at Wildwopd at Escot in East Devon this weekend. This brilliant family day our has plenty of amazing animals, many of which are native to the UK and either threatened or sadly wiped out here. They also have a recreated ancient village, and we were treated to re-enacters putting on a saxon battle! Subscribe to catch the full video as well as more Devon, cruise, and travel content. #shorts

marinaandjoego

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