Recent content by ellie.l

  1. E

    Graduate Light bouncing forever in a mirrored box with perfect reflectors

    There is a perfect box with with no gaps or cracks, with mirrors on the interior walls of the box. There is also a light bulb which can emit light but reflects any that goes upon it (with a super two-way mirrored surface, perhaps?). If one switches the lightbulb on, then there is light in the...