Windows/Mac/Linux (All platforms): Phun, a free open-source, cross-platform 2D physics simulator, makes you want to pick up blocks, or maybe crayons, and learn more about the way things fall and move ...
At only 78 pages long, Carlo Rovelli's "Seven Brief Lessons on Physics" is certainly that. He speaks with NPR's Linda Wertheimer about modern physics. Carlo Rovelli is an Italian theoretical physicist ...