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Information on astronomy slides and models. Also including optical illusions.
A look at the way technology from astronomy has cascaded into everyday devices.
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 great resource for interactives, videos and simulations about astronomy.
A page with a few astronomy resources for teachers and activities for students
A fun site that offers lots of simple information, games and sky maps. Great way to get started on astronomy.
An astronomy course full of useful information and images.
Showing 21 - 30 of 140