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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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A Ilha do Cabo Frio é um paraíso intocado em Arraial do Cabo.

hashtagsal

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Flandersfamilytoday

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https://store.playstation.com/#!/tid=CUSA00572_00

the-bonser3059

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Welcome to Covert Castaway, our fully uncut experience making the transition to being a liveaboard sailing cruisers. Join us as we talk about what we're learning as we make this lifestyle change to sell our stuff, quit our corporate jobs, leave our family and sail away on a 47 foot catamaran. If you have any specific topics you want us to cover, please visit our FB page Sailing AWEN and join the conversation or reach out to us at sailingawen@gmail.com. Or visit our blog at www.sailingawen.com

covertcastaway9559

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Yacare en escale à Safi - Avitaillement à dos d'âne pour fêter l'anniv de cap'tain Dugland

hyperpotamus

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