NewScientist The Last Word - Tag 'Radio' details

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4 matches found

MP3 players often have FM radio but almost never AM. Is this for technological reasons,or just that they don't think we want it?
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Categories: Technology.

Radio-hand? What causes the sudden change in volume when I touch the aerial of my stereo? - Liam New Zealand
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Categories: Technology.

Radio synchronisation I have a normal mains and an internet radio. Whne I play Radio 4 on both sets the internet one has a delay of about 30 seconds - including the time signal broadcast on the hour! I thought the time signals indicated the exact point when the hour occurs so why os there a delay and which radio is more accurate?
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Categories: Technology.

What is the sound produced by a radio set to AM when a flash camera, say, is charged beside it? When I charged a flash camera beside a radio set to AM, I noticed a series of sounds produced, similar to that of the harmonics of a sliding square waveform with frequencies above 16000 Hz. How do they interfere and what part of the camera generates radio waves?
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4 matches found

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