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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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Hoàng Đức cũng phải "WOWW" Trước Siêu Du Thuyền PERSHING 6X #shorts Quý vị có nhu cầu thuê du thuyền để trải nghiệm hay cần tư vấn chọn mua du thuyền, vui lòng liên hệ: Hoàng Đức - Giám đốc Truyền thông Vietyacht ▶ Hotline: 0976 377 337 (SMS, Zalo, Viber) ▶ Email: hoangduc@vietyacht.vn ▶ Website: https://vietyacht.vn/ | https://luxyacht.vn/ ▶ Mời quý vị yêu thích du thuyền cùng tham gia group Yachts Passion: https://www.facebook.com/groups/229867694881650/ #duthuyen #review
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Classic wooden sailboat haul. #rambler #sailboat #boatlife #vlog
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