Science does not have to be altruistic. In fact, most of the time it is egotistic, according to a study by researchers in Spain that analyzes the discrimination that exists in citations of scientific articles in articles where researchers publish their results.
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Discrimination in the citations that scientists use
Are the images and data we collect of galaxies and other bodies millions of light years away millions of years old by the time we even take them? For example human sight takes about 50 milliseconds to occur
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Is what you see what you get?
1. The problem statement, all variables and given/known data A 0.25 kg ball moving at 13 m/s is struck by a bat and leaves the bat travelling at 19 m/s in the opposite direction to its initial direction
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average force
For a [rated] 83% efficient, 169,000 input BTU/hr, single stage NG furnace that is on only 1/4th of the time in January and the “on time” is ~6 minutes, what efficiency may I expect?
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real world efficiency