About This Video

When you look at a hologram—for example, the one on your credit card—you’ll notice that it is a seemingly three-dimensional image mapped onto a two-dimensional surface. Proponents of the holographic principle suspect that information normally thought to be “lost” after falling into black hole, is merely transcribed onto its surface. Physicists believe that, like holographic film viewed under a microscope, this information is indecipherable, but there. Leonard Susskind explains.

More videos from this series: A Thin Sheet of Reality

Image courtesy ofDominic Alves; Recorded June 2011; Posted September 2011