塹壕ラジオ/ Foxhole Radio *Audio in EN / DE / FR / PT / ES
身近な金属や鉛筆を使って作る電源不要の『塹壕ラジオ』を紹介！しかし、スタジオは外からの電波が入らない！どうする？ Introducing a self-powered "foxhole radio" made with everyday metals and a pencil! But the studio blocks incoming radio waves! What should we do? *English, German, French, Portuguese, and Spanish audio tracks are available through the video player's settings icon. ※動画プレーヤーの設定アイコンから音声トラックを変更すると、英語、ドイツ語、フランス語、ポルトガル語、スペイン語の音声でお聞きいただけます。 2025年7月5日(土)放送分（はぴエネ！#848) 放送時の提供：中部電力株式会社 #でんじろう #実験 #科学 #化学 #エネルギー #学ぶ #学習 #不思議 #現象 #ワザ #仕組み #役立つ #Science #Chemical #experiment #laboratory #Energy #Electricity #study #Lesson
![[Eng sub] Making a Foxhole radio. Very primitive](https://i.ytimg.com/vi/7FSws8yROnw/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLC-nkp3Dm6iJDrVuHwyK1e8e_wulw)
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[Eng sub] Making a Foxhole radio. Very primitive
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Fire Arrows / Mr. Denjiro's Happy Energy! #867
![the science of unpowered radio and crystal radio! / Denjiro Yonemura [Official] /science experiments](https://i.ytimg.com/vi/65BoPzK12C0/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLAgwtKUN2QBQFPvZd7lztPpU2Y51Q)
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the science of unpowered radio and crystal radio! / Denjiro Yonemura [Official] /science experiments
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Sodium+Water=Explosion! / Mr. Denjiro's Happy Energy! #865
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Kugatachi: Ancient Japanese Trials / Mr. Denjiro's Happy Energy! #881
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Crystal Radios: No Batteries? No Problem!
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We let AI buy a robot and a car, it does exactly what experts warned.
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The Ukrainian Stunt Pilot Hunting Russian Drones | The New Yorker
![[Eng sub] I got Soviet-made germanium diode and modified the radio.](https://i.ytimg.com/vi/Cqp4JmzjDS0/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLBx60axTplh79nSbDKALQJi-IEo_g)
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[Eng sub] I got Soviet-made germanium diode and modified the radio.
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Professor Denjiro explains! How to make and throw a flying toy using the Magnus effect / Yonemura...
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Cries of the Dead: The Death Whistle / Mr. Denjiro's Happy Energy! #814
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Leonardo da Vinci inventions tested!
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Morse Code Transmitter / Mr. Denjiro's Happy Energy! #840
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Scientists Made Movies For Chimpanzees (They LOVED It)
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I Outsmarted Pro Car Thieves
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Once You Understand it, You Will Think Everything Else is Silly - Toyota E-CVT
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This Battery Doesn't Need Lithium and It Just Hit Mass Production
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Satisfying Machines Operating at an Insane Level
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How a Typhoon Occurs / Mr. Denjiro's Happy Energy! #644
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