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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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sailingkashmir

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🇳🇱 The Vaan R5. A quick tour of this electric-powered aluminium catamaran from the Dutch yard. The Sailing Hotel Suite, made for sailors. ▫️ Watch out for our full tour which is coming soon! #luxury #yachts #madeinholland

Katamaranscom

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Verkäufer und Käufer treffen sich bei ”Boote zu verkaufen”. Scanboat bietet die Möglichkeit zwischen Segelboote, Motorboote und vieles mehr aus ganz Europa zu Suchen. Wenn Sie Ihr Suchergebnis haben und eingeloggt sind, haben Sie auch die Möglichkeit, einen Suchagenten zu aktivieren. https://scanboat.com/de/bootsmarkt/boote https://www.scanboat.com/en/0

scanboat24

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sailingkaizen

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Private Luxury Charter Gulet Yacht Prenses Esila www.guletmaster.com

guletmaster

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