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Physics - Long Time Intervals (Cal Tech film) PSSC
Long Time Intervals - Physical Science Study Committee (PSSC) <br> <br>Filmed in 1959 <br> <br>Professors discuss the significance of time intervals and describe how radioactive dating arrives at an estimate for the age of the our earth. <br> <br>rdwaynes - Retired military service veteran and vocational educator. Enjoy my posted videos. Thanks for watching and supporting my channel. Subscribe if you like.
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You just are.