Mandala (मण्डल) is a Sanskrit word that means “circle”. In Tibetan Mandala Sand Painting is called dul-tson-kyil-khor, which literally means “mandala of colored powders”. They are key part of anuttarayoga tantra meditation practices.
A recently discovered set of original Nikola Tesla drawings reveal a map to multiplication that contains all numbers in a simple to use system. The drawings were discovered at an antique shop in central Phoenix Arizona by local artist, Abe Zucca.