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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!!

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This is in the area of Hen Rock at Catalina Island.

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Llevamos 17 años asesorando a nuestros clientes a planificar sus vacaciones en el mar. Te ayudamos a descubrir Baleares- Mallorca, Menorca, Ibiza, Formentera a bordo de un catamarán, velero, yate o motora. Con o sin patrón. Desde Top Sailing Charter te ayudamos a planificarlo todo- elección del barco, construcción de la ruta de navegación, tips básicos para disfrutar de la experiencia, planificación de la intendencia,... Somos gente de mar que hemos recorrido medio mundo descubriéndolo desde una embarcación. Te acompañamos y te asesoramos.

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The Australian Sailing Team is excited about the selection of our sailors Mat Belcher/Will Ryan (470 M), Nathan Outteridge/Iain Jensen (49er) and Jason Waterhouse/Lisa Darmanin (Nacra 17) by the AOC to represent Australian at the Rio 2016 Olympic Games. More info: http://www.australiansailing.org/first-sailors-selected-for-rio-2016/ Filmed and edited by Beau Outteridge / Australian Sailing Team

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