How a Crystal Radio Works
12:58
YouTubeRimstarOrg
How a Crystal Radio Works
Full details of how a crystal radio works, right down to the electron level. We start with a demonstration of all the parts in action, showing how the radio waves interact with the antenna and antenna coil to produce a fluctuating magnetic field, which induces electron flow in the tuning coil, which works with the tuning capacitor, which is ...
已浏览 131.6万 次2012年8月30日
Radio Sign Off Messages
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Watch how to sign 'write off' in American Sign Language.
signasl.org
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23K views · 1.2K reactions | HCSO Major Robinson's Final Radio Sign Off Lots of eyes were leaking at the Sheriff's Office as we wished our beloved Major Robinson Godspeed as he closed one door and opened another. | Hernando County Sheriff's Office | Facebook
3:10
23K views · 1.2K reactions | HCSO Major Robinson's Final Radio Sign Off Lots of eyes were leaking at the Sheriff's Office as we wished our beloved Major Robinson Godspeed as he closed one door and opened another. | Hernando County Sheriff's Office | Facebook
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35K views · 938 reactions | Boston Police Commissioner William G. Gross Issues Final Radio Sign-Off While Thanking Department Members for their Service to the City of Boston During His Tenure | Boston Police Department (Official) | Facebook
1:39
35K views · 938 reactions | Boston Police Commissioner William G. Gross Issues Final Radio Sign-Off While Thanking Department Members for their Service to the City of Boston During His Tenure | Boston Police Department (Official) | Facebook
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