6 ideas
22137 | Observation can force rejection of some part of the initial set of claims [Duhem, by Boulter] |
22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
18197 | Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |