Practical and useful resources for teachers and autodidacts https://interactivetextbooks.tudelft.nl/showthephysics/intro.html https://interactivetextbooks.tudel

Practical and useful resources for teachers and autodidacts https://interactivetextbooks.tudelft.nl/showthephysics/intro.html https://interactivetextbooks.tudelft.nl/showthephysics/intro... simple experiments such as showing that paper sheets fall just as fast as a heavy book without needing a vacuum demo setup.