Red and blue pens
Paper folded into a small book
Simply draw your drawing in blue and outline with the red marker, leaving a little bit of space between lines. Then, put on your 3D glasses and check it out!
### Why does it work?
An anaglyph is made of two images on top of each other, but a little offset, made of read and blue. The space bet ...
January 2nd is [National Science Fiction Day](https://dar.to/2mnuYXq "National Science Fiction Day"). The day was selected because of Isaac Asimov's birthday. Enjoy these five books, hand-selected by Alan, our resident SciFi lover.
Got a new phone or computer and need some help getting started? Look no further than these great books for tips and answers to tech questions you may have. Then enjoy your new gadgets as you use them to their optimal potential!