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[@perceptualscience](/creator/youtube/perceptualscience)
"How does a hand pressure well draw water from underground #science #knowledge"  
[YouTube Link](https://youtube.com/watch?v=m7xlKpc0DBk) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-31T15:45Z 23.4K followers, 27.5K engagements


"How does the modern papermaking industry work #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=YQ6gTWqu2ec) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-27T14:41Z 23.4K followers, 76.5K engagements


"How do circuit breakers protect circuit safety #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=pBdjpqfxwKo) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-23T03:18Z 23.4K followers, 274.2K engagements


"How does engine lubrication work inside a vehicle #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=7MdoArCrxho) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-15T15:02Z 23.4K followers, 1.6M engagements


"A Macedonian phalanx from over 2000 years ago #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=Rf9r0K9zxgI) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-24T05:35Z 23.4K followers, 5.9M engagements


"How do landfill sites prevent seepage and generate electricity #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=c8gaeP-kz_U) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-29T15:06Z 23.4K followers, 402.6K engagements


"The genius design of articulated buses #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=c8u3pd1xKw0) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-24T15:16Z 23.4K followers, 164.2K engagements


"The tank and the giant crossbow designed by Leonardo Da Vinci #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=upK_tHjvAvg) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-30T15:42Z 23.4K followers, 8646 engagements


"Comparison of hydraulic press wrenches #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=a73UE1aN7C0) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-26T14:26Z 22.1K followers, 52.3K engagements


"What technology is hidden inside a dragonfly #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=GgUjK0udXqk) [@perceptualscience](/creator/youtube/perceptualscience) 2025-09-16T13:38Z 23.4K followers, 6.5M engagements


"A comparison between hydraulic presses and anvils #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=jk-mDJLHaXU) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-28T15:27Z 23.4K followers, 29.8K engagements


"How does a Marine sextant work #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=q3y8r_myaGM) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-02T15:21Z 23.4K followers, 2.5M engagements


"What was the size of the sofa you moved #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=rS5cl-duXZ8) [@perceptualscience](/creator/youtube/perceptualscience) 2025-11-01T05:07Z 23.4K followers, 2004 engagements


"The principle of oil extraction #knowledge #science"  
[YouTube Link](https://youtube.com/watch?v=yPEXehiWK2Q) [@perceptualscience](/creator/youtube/perceptualscience) 2025-10-14T14:47Z 23.4K followers, 1.2M engagements