A hologram (derived from the ancient greek word whose meaning is "describe it") is an image or pattern of interfering wave obtained with the use of lasers. With these patterns it is possible to create and project a three dimensional image. The first holograms, however, date back to the mid-1800s and were generated using the reflective properties of mirrors placed at strategic points to generate three-dimensional optical illusion.
Read more: http://inovemondi.forumfree.it/?t=68832965
No comments:
Post a Comment