Technology for Humanity
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3:24
青年大学习 青年大学习：做一枚戒指型电弧打火机。
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2 months ago
3:17
青年大学习 青年大学习：用5号电池做一把世界上最小的手电钻。
4 views
2 months ago
3:09
青年大学习 青年大学习：手搓青霉素。
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2 months ago
3:42
青年大学习 青年大学习：手搓一枚U235核弹。
3 views
2 months ago
3:23
青年大学习 青年大学习：用废旧干电池改造一颗充电锂电池。
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2 months ago
3:08
青年大学习 青年大学习：将干电池改造成一把微型手电钻。
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3 months ago
3:24
青年大学习 青年大学习：手搓一栋蒸汽动力的大别墅。
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3 months ago
4:41
青年大学习 青年大学习：鲁米诺试剂。
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3 months ago
3:03
青年大学习 用火花塞改装电烙铁。
3 months ago
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Technology for HumanityGan Jing World is dedicated to promote kindness, respect, and trust among people. Our non-addictive content prioritizes meaningful information, while upholding freedom of speech and user privacy.
