다음
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not all sleep is equal 1 분 Designing and building a pulser pump Primal Space video: https://www.youtube.com/watch?v=xLaLpMeOyHk A pump with no moving parts, able to lift water above its source, quietly serving a hillside fortress centuries ago. It is clever, effective, and, all these years later, mostly unknown today. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-recreating-an-ancient-pump-with-no-moving-parts Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: http://practical.engineering Twitter: https://twitter.com/HillhouseGrady Instagram: https://www.instagram.com/practicalengineering Reddit: https://www.reddit.com/r/PracticalEngineering Facebook: https://www.facebook.com/PracticalEngineerGrady Patreon: http://patreon.com/PracticalEngineering SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at practicalengineering@standard.tv DISCLAIMER ____________________________________ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ This video is sponsored by SendCutSend. Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks. Video by Grady Hillhouse Edited by Wesley Crump Produced by Ralph Crewe Graphics by Nebula Studios MUSIC CREDITS ____________________________________ Tickle from Epidemic Sound Practical Engineering Theme composed by Caleb Winters (https://beacons.ai/calebwinters) Water and Light composed by Caleb Winters (https://beacons.ai/calebwinters) Woodland Expedition composed by Caleb Winters (https://beacons.ai/calebwinters) Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=U6fBPdu8w9U
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