Effective learning is interactive, not passive. Brilliant helps you master concepts in math, science, and engineering by solving fun, challenging problems. Brilliant is a high-quality free online mathematics and science problem solving website for high aptitude students around the world. Brilliant aims to democratize the way smart, driven youth are identified and developed by offering an intellectually challenging environment online. Brilliant brings together students, educators, professionals, olympiad champions, and enthusiasts from around the world. On a typical day, you'll find a 17-year old user from Minnesota posing a computer science problem to users from the UK, Serbia, India, Bangladesh, Peru, Hong Kong, Egypt, Greece, France, Netherlands, and the US, who solve the problem and submit solutions in 5 programming languages.