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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Can't decide what's more stunning: the Komodo coastline or this view? Help me choose! 🧐 Filmed by Marcelo Johan Ogata #bugDreamer Location: Komodo Island - rates and schedules👇 📱 +62 812 4386 0308 (WA) 🌐 thesevenseas.net #LiveaboardIndonesia #Liveaboard #Sailing #LiveaboardLife #SailBoat #Boats #Bucketlist #Underwater #RajaAmpat #UWPhotography #Komodo #ScubaDive #PadiTV #shorts

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Lofoten! With the most beautiful and rawest mountains, fjords and beaches. We explore the archipelago by sailboat, and the whole area is our playground. Video by Tanner Nuller

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Learn how to trim your mainsail like a pro! Watch this quick tip on using telltales and adjusting for perfect sail shape and maximum speed. 🌊 Perfect for beginner sailors and sailing enthusiasts! #SailingTips #SailTrim #SailingShorts #LearnToSail #BoatLife #GoProSailing #SailingCommunity #OceanAdventure

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Husqvarna Motorcycles rider Graham Jarvis winning moment of Red Bull Romaniacs 2017 6 times winner Sherco Factory Racing Mario Roman came second and Eurotek KTM rider Paul Bolton comes third. Find Enduro.Live on: Facebook: https://www.facebook.com/enduroliveofficial/ Instagram: https://www.instagram.com/enduro.live/ Website: http://enduro.live Twitter: https://twitter.com/EnduroLive1 Google+: https://plus.google.com/+EnduroLiveHardEnduroChannel

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