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Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Edited from to 1/4th 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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Video courtesy of SeaVees https://www.seavees.com/
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Visit Catamarans.com for more information
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Hard to believe that last June we we’re having a great time in Yellowstone National Park. I read someplace that “There are moments which mark your life. Moments when you realize nothing will ever be the same and time is divided into two parts - before this, and after this.” Such as it is with our life before the accident and after right now. We miss Yellowstone terribly but feel so grateful that we can still have our memories and our life here in the Caribbean. Fun fact: We are 4584 miles away from where this reel was made.🤭. .
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Thank you for watching 🦜 Indonesia through Indonesian eyes 🇮🇩 At SeaTrek Sailing Adventures we have made it our trademark to offer unique and authentic, small-ship cruising experiences that embrace the traditional wooden pinisi boat culture of Indonesia and the fascinating cultural and natural beauty that the remote part of this mighty archipelago in which we cruise has to offer. Check your cabins here: 🗺 Schedule | https://www.seatrekbali.com/schedule/ ⛵️ Website | https://www.seatrekbali.com 🙏🏼 Contact Us | info@seatrekbali.com FOLLOW / SUBSCRIBE: Facebook | https://www.facebook.com/Seatrekbali/ Instagram | https://www.instagram.com/seatreksailingadventures/ Twitter | https://twitter.com/Seatrekbali . #sailingadventures #sailingindonesia #jewelofrajaampat #spiceislands #ringoffire #phinisiboat
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