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Full frequency feedback, short
0:20
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Tractor beam high pitched steady laser type, can be used for science, technology instrument or deep space
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Solar flare or gamma ray burst, wavy tonal metallic wash
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Buzz tone phases in sharply x2
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Chattering high tone with low blip at end
0:20
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Geiger counter in use. Vintage recording.
0:07
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Constant mid tone modulating quickly
0:24
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High pitch tone phasing in and out and modulating
0:25
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Electric geiger counter ticking fast.