In this video, we delve into the fascinating process of crafting an abacus, a traditional calculation tool that has stood the test of time. Watch as we guide you through each step, showcasing how sliding counters along rods and grooves enable precise mathematical functions. Discover not only its basic operations—addition, subtraction, multiplication, and division—but also its capability to calculate cubic roots. Join us on this journey to uncover the art and science behind this ancient instrumen

Looking at mirror sizes and the geometry of reflections. #optics #mirror #angles #reflection #questionoftheday #geometry #originalanimation | Reason-why