In his talk, Navjeet explains the speculative idea that the world around us is a computer simulation. Navjeet Swatch is a Teacher of Mathematics in his second year at Queen Elizabeth’s School. Navjeet’s interests include astronomy and general science related topics as well as playing tuba in a local amateur orchestra. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx