It's fashionable for game developers to show their working these days, so it's no huge surprise when Irrational alumnus Jordan Thomas reveals that his first game since going indie, The Magic Circle, ...

Draw a circle with a dot in it without taking your pen off the paper! Your friends won't believe you can do it – until you perform this trick before their very eyes ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Draw a circle with a dot in it without taking your pen off the paper! Your friends won't believe you can do it – until you perform this trick before their very eyes ...