An experimental balloon takes its inaugural flight in August 2020. This particular balloon can change altitude by shortening or lengthening a cord attached the top and bottom of the balloon. Shortening the cord compresses the balloon which makes it descend while lengthening the cord expands the balloon allowing it to ascend. Photo courtesy of ThinContinue reading “Why Do Balloons Float?”
Observe nature, take measurements, and then propose as many hypotheses as you possibly can that are consistent with the data. In this way, you shift the focus from a negative conflict between scientists, each embracing their own individual hypothesis, to a positive, exciting, and team-based conflict between ideas in which technical debate among those with differing perspectives is encouraged in order to learn and not to win.
Upon publishing my book, Block by Block – The Historical and Theoretical Foundations of Thermodynamics, Oxford University Press kindly invited me to write a post related to my book for their academic blog. I gladly accepted and chose as my topic the creation of the 1st Law of Thermodynamics by Rudolf Clausius’ work of 1850.Continue reading “The 170th Anniversary of the 1st Law of Thermodynamics — A Tribute to Rudolf Clausius”