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!!

0

0

0

24

0

0

0

0

518

0

0

0

0

0

Read the caption! Greece is more than beaches and cuisine 🌊🇬🇷. From the turquoise waters of Balos Lagoon 🏝️ to the mystical Meteora Monasteries 🏞️ and the famous sunsets in Santorini 🌅 – every spot has a unique story. Discover it all here! 🎟️ Book your tour: 1️⃣ Meteora Monasteries: gyg.me/gVsZgyz0 🏨 Nearby stays: Santorini: shorturl.at/flNE3 Thessaloniki (for Meteora): shorturl.at/QG7VV 🌟 Historical Highlights 🌟 Balos Lagoon: Known for its white sandy beaches and crystal-clear waters, giving you a slice of paradise in Europe. Meteora Monasteries: Built atop towering cliffs in the 14th century, these monasteries are a UNESCO World Heritage site. Santorini: Iconic whitewashed buildings and deep blue seas make this island unforgettable, especially at sunset. #Greece #BalosLagoon #MeteoraMonasteries #Santorini #TravelGreece #ExploreEurope #Adventure

0

0

0

660

0

0

0

0

4,152