I Built a Working Radio with Just Spare Parts!
4.2M views · May 22, 2016 · Science & Technology
Comments · 2.4K
@Russ-gy7tx · 11 months ago
This was a 7th grade electronic shop class assignment back in 1970. And it works. They don’t teach this anymore.
1.5K
@leguirerj · 7 years ago
When I was about 12 years old in 1965, I found a book in the library on how to build a Foxhole radio. It was similarly built like this one. The oxide on the razor blade and the carbon from the pencil lead made a crude semiconductor diode. It required headphones with 20000 ohm impedance, which I lucky enough to find. My father was impressed when I had him listen to it.That project made me want to be an Electrical Eng. Because of it, I ended up with a Masters of Science Deg in Electrical Engineering from CMU.
6.7K
@NostalgicTribe · 7 years ago
"My name is John Connor if you're listening to this, you are the resistance"
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@tom_something · 11 months ago
It's amazing to think of how many different electromagnetic signals are moving around us and through us at any given moment.
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@bobhs1605 · 2 years ago
As a teacher, I encourage everyone to pass this on to any child you know. This is the kind of stuff I wish to see kids playing with—like when we were kids ourselves. I think a lot of us come from times or even situations where we didn’t have much. I’m relatively young at 44, but in the 80’s as a kid playing with antenna shapes, lengths, materials and positions was more because we didn’t have cable TV. But it was fun and rewarding. Foxhole radios were an accessible project cause you could ride your bike around to find the materials. A little adventure and discovery would be beneficial to todays kids.
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@MrBobWareham · 7 years ago
This brings back memories when I was a young boy of ten my dad and I made radio and tuned in the cat's whisker to hear a radio station the wire aerial was looped of the clothes dryer in the kitchen now I am 73 and this brings back the memories of my dad helping me, loved it thanks
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@SeeTheManipulation · 1 year ago
I think the way things are going we may really need these instructions.
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@Denver_Risley · 8 years ago
This was a pretty regular project when I was a kid, elementary school science, cub scouts, etc. It's very cool to see somebody still building them.
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@amirbloomenfeld6066 · 5 years ago
I like this. No nonsense, no bullshit, no clickbaiting, no stupid intro. Just a genuine how-to video while showing you all the necessary steps and highlighting with captions the important bits. Very neat. I applaud this YouTuber for being so down to Earth and helpful and providing quality entertainment. A+++
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@joewoodchuck3824 · 6 years ago
I was making these when I was around 10 in the 50s. I used a capacitor in parallel with the coil intended to be resonant in the am broadcast band. I used Galena for the detector. Next came regenerative tube receivers, tech school, ham radio and commercial FCC licenses and a nice career designing and building custom laboratory equipment for a major University medical school. Now retired I still operate ham radio and sometimes scratch build things for the fun of it. I also still have some pieces of Galena just in case ...
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@Cisbes20 · 5 years ago
When Zombie Apocalypse Coming , But You Know How To Make A Simple Radio
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@JB2026ftu · 11 months ago (edited)
<a href="https://www.youtube.com/watch?v=_AI2Jixj5Bs&t=160">2:40</a> Mom yelling: "Paquito, where is the wooden bedside table?" Jokes aside, this is genius.
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