10 lines
238 B
Factor
10 lines
238 B
Factor
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USING: kernel math dimensional-analysis units ;
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! From: http://physics.nist.gov/constants
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IN: physical-constants
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! speed of light in vacuum
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: c 299792458 m/s ;
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! : c0 299792458:m/s ; ! same as c
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! : c-vacuum 299792458:m/s ; ! same as c
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