Après une petite randonnée au cœur des Cévennes Gardoise, on découvre l'abîme de bramabiau. Un lieu insolite à découvrir en famille - découvrez d'autres lieux de ce type sur mon blog : www.sunxplore.fr

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Video by Nu Parnupong for Solitude One

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Take a walk through the largest and best surviving example of Roman palatial architecture and discover how modern life looked in the ancient imperial residence! Learn all about the UNESCO protected Diocletian's Palace that dates back some 1,700 years to the 4th Century, and is today one of the best-preserved examples of Roman architecture in Europe! This optional excursion is run by our sustainability partner, Green Sail, a non-profit organization that promotes sustainable actions within the tourism and nautical industries. Learn more about Green Sail and the impressive work they do online here: https://www.sail-croatia.com/set-sail/sailing-sustainably-with-green-sail. For more information on this optional excursion, visit the Sail Croatia website: https://www.sail-croatia.com/set-sail/resource/sail-croatia-excursions#split-walking-tour

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Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). 1/8th speed (15fps) and improved video performance because somehow Youtube cropped the last frames of the other videos (?) 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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