Explore three science stories from December 5: Werner Heisenberg’s contribution to quantum physics, the Great Smog of London and its impact on air pollution laws, and Albert Einstein’s 1932 US visa controversy. These events connect physics, environmental science, public health and the relationship between science and society. Discover 132 daily STEM events in the December Science on This Day resource, with interactive HTML, editable slides, a filterable spreadsheet and printa