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A set of instructions for building a crystal radio at home, includes photos to help.
A brief description of how Radio Controlled Toys work. This site is part of Marshall Brain's HowStuffWorks.com.
Instructions and circuit diagrams for building a crystal radio circuit.
AM radio uses the electrical image of a sound source to modulate the amplitude of a carrier wave. At the receiver end in the detection process, that image is stripped back off the carrier and turned ...
FM radio uses the electrical image of a sound source to modulate the frequency of a carrier wave. At the receiver end in the detection process, that image is stripped back off the carrier and turned ...
This a biography of radio astronomer Susan Jocelyn Bell Burnell, who discovered the first pulsar (stars that release regular bursts of radio waves) in 1967.
A very brief description of how the Radio Spectrum works from HowStuffWorks.com.
See the universe in range of wavelengths from gamma rays to radio waves.
Sky View is a virtual observatory on the net generating images of any part of the sky at wavelengths in all regimes from radio to gamma ray.
A Canadian radio show on science with an online archive with podcasts and a blog. Covers all sciences and has some interesting items.
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