Australian physicist Barry Setterfield and mathematician Trevor Norman examined all of the available experimental measurements to date and have announced a discovery: the speed of light appears to have been slowing down over the years! [Roemer, 1657 (Io eclipse): +/- 307,600 5400 km/sec; Harvard, 1875 (same method): +/- 299,921 13 km/sec; NBS, 1983 (laser method): +/- 299,792.4586 0.0003 km/sec.] They all are approximately 186,000 miles/second; or about one foot/nanosecond.) The decay of c affects the speed of nucleons and the alpha escape particle frequency. The "facts" taught in science books are "corrected" every few years. Stay up to date!
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Australian physicist Barry Setterfield and mathematician Trevor Norman examined all of the available experimental measurements to date and have announced a discovery: the speed of light appears to have been slowing down over the years! [Roemer, 1657 (Io eclipse): +/- 307,600 5400 km/sec; Harvard, 1875 (same method): +/- 299,921 13 km/sec; NBS, 1983 (laser method): +/- 299,792.4586 0.0003 km/sec.] They all are approximately 186,000 miles/second; or about one foot/nanosecond.)
The decay of c affects the speed of nucleons and the alpha escape particle frequency.
The "facts" taught in science books are "corrected" every few years. Stay up to date!