hologram bleaching
1Nicholas J. Phillips — Nick Phillips Nicholas John Phillips wearing a holographic bolo tie, c. 2003. Born 26 September 1933( …
2Optical vortex — An optical vortex (also known as a screw dislocation or phase singularity) is a zero of an optical field, a point of zero intensity. Research into the properties of vortices has thrived since a comprehensive paper by Nye and Berry, in 1974,[1]… …
3Comic book collecting — is a hobby that treats comic books and related items as collectibles or artwork to be sought after and preserved. Though considerably more recent than the collecting of postage stamps (philately) or books (bibliophilia), it has a major following… …
