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The Best of the Hubble Space Telescope

The site gives a very wide range of links on Hubble space telescope and astronomy showing various images.

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Hits: 1415

http://www.seds.org/hst/hst.html

Building a Simple Crystal Radio

A set of instructions for building a crystal radio at home, includes photos to help.

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Hits: 1481

http://scitoys.com/scitoys/scitoys/radio/radio.html#crystal

Hubble: a view to the edge of space

Very interesting Hubble space telescope site. Includes background, tour, servicing and a history of the telescope. Also provides both live webcam and live webcasts.

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Hits: 2946

http://www.exploratorium.edu/origins/hubble/index.html

How Radio Controlled Toys Work

A brief description of how Radio Controlled Toys work. This site is part of Marshall Brain's HowStuffWorks.com.

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Hits: 933

http://www.howstuffworks.com/rc-toy.htm

Crystal Radio

Instructions and circuit diagrams for building a crystal radio circuit.

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Hits: 2331

http://www.techlib.com/electronics/crystal.html

Fm Radio

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 ...

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Hits: 1217

http://hyperphysics.phy-astr.gsu.edu/hbase/audio/bcast.html#c4

AM Radio

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 ...

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Hits: 1452

http://hyperphysics.phy-astr.gsu.edu/hbase/audio/bcast.html#c3

Susan Jocelyn Bell Burnell

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.

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Hits: 1547

http://www.galegroup.com/free_resources/whm/bio/bellburnell_s.htm

Star Journey

Journey through the stars, view the nighttime sky using the star chart, with overlays of Hubble Space Telescope images. Visit the Star Attractions highlights of the heavens or take a look at the ...

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Hits: 2402

http://www.nationalgeographic.com/features/97/stars/index.html

How the Radio Spectrum Works

A very brief description of how the Radio Spectrum works from HowStuffWorks.com.

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Hits: 1451

http://www.howstuffworks.com/radio-spectrum.htm
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Showing 31 - 40 of 95