Uncle Dam is upgraded again! All eight doors are fully open, and the ability to "discharge floods" i

Mini Bridge Construction | Build an arch bridge across the canyon and get on the train!

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Relying on self-made hydropower facilities, Uncle builds a perfect farmland irrigation system

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Isn't this a perpetual motion machine?

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Moldy yellow pear wood was thrown on the side of the road. Fortunately, I picked it up and brought i

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The infrastructure madman shows his skills! Self-built "cross-river bridge" has opened to traffic

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Do you dare to sit in a canoe made of only twigs, plastic wrap and tape?

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The only one in the world! 96 days to build a Lamborghini Vision GT concept supercar for my baby

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1/100 km only needs a lighter

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Build micro-hydro on creeks with powerful device

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Continuing from the previous episode, we completed the construction of a beautiful 2-story mini vill

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"Proposed integration into the national grid"

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How powerful can it be to propel a car with carbon dioxide? Plus a crash simulation experiment!

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Simply design a beautiful two-story cottage? ? ? ?

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Uncle: Just...just save some electricity bills...

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A slingshot pistol that you can make at home, do you need to test the initial speed?

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new ship equipment

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Children's toys: use rainbow candies to bathe the baby

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Irrigating vegetable gardens with "hydroelectric dams", the reason for the increase in vegetable pri

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Don't throw away some parts for the finished lobster, the straight man of steel is crying

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Does anyone know what new species this is?

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