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!!

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Introducing the Sanlorenzo SL120A, boasting the asymmetric concept at the highest standard. Step into an oasis of luxury, with a spacious main salon and a separate dining area that offers direct access to the bow. The SL120A will be available for viewings at anchor during Cannes Yachting Festival from September 12th until September 17th. #SanlorenzoYacht #LengersYachts #SanlorenzoSL120A #Lengers #CannesYachtingFestival #CYF

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What makes a sailing ship a yacht? “The attention paid to every detail and the remarkable result of it all,” says Damien Jacob, product director for sailboats at Groupe Beneteau. That's why the designers Roberto Biscontini and Lorenzo Argento, made no concessions when designing the new Oceanis Yacht 60. A subtle interplay of proportions and gentle inverted transparency create the kind of space you typically find on a 62-foot boat, while maintaining an elegant design and excellent seaworthiness. These unique features result in a true blue water yacht that offers excellent performance. Learn more about Oceanis Yacht 60 here https://masteryachting.com/oceanis-yacht-60/?utm_source=fb To get in touch for further information or inquiries, please reach out to office@masteryachting.com #BeneteauOceanisYacht60 #Beneteau #OceanisYacht60 #BeneteauSailing #MasterYachting #BeneteauYachts

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Poppy makes history on Sudest Island, becoming the first woman to play A-grade soccer—and she scores twice! Places: Sudest Island, Louisiades Archipelago, Papua New Guinea Buy us a coffee ☞ https://buymeacoffee.com/onceuponareef Or Send us a gift ☞ https://throne.com/onceuponareef Follow us: ✔INSTAGRAM: @onceuponareef & @wheres.poppy ✔PATREON ☞ https://www.patreon.com/c/onceuponareef Poppy's YouTube Channel ☞ https://www.youtube.com/wherespoppy 📧 BUSINESS INQUIRIES - onceuponareef@protonmail.com Hey there, we’re Ryan and Poppy, a couple of adventure junkie sailors out to explore the most amazing reefs and islands in the world. We hope by documenting everything this lifestyle encompasses, we will inspire, raise awareness and support on going research to do our part in protecting these natural life systems. Subscribe if you’re on board! #onceuponareef #thelouisiades #papuanewguinea #wherespoppy

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Set on Bolifushi Island in the Laccadive Sea, this upscale beachfront resort is accessible only by boat from Malé. Either on the beach or over-water, the luxurious 1- and 2-bedroom villas offer free Wi-Fi, flat-screen TVs and private pools, as well as Nespresso machines and minibars. Some have living rooms and/or gardens. The plush bi-level units include verandas. Limited room service is offered. Freebies include breakfast, snorkeling gear and loaner bikes. There are 4 polished restaurants, a bar and a full-service spa, plus 2 outdoor pools, an open-air gym, and a kids' club. Diving and water sports are available.

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