Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Show HN: Laser Graffiti.
- gray scale image made from laser and fading glow in the dark paint https://www.youtube.com/watch?v=FUa9UgAZTIY
- i remember a version of this phosphorescent wall at the los angeles children's musuem. a strobe imprinted your shadow. https://www.exploratorium.edu/exhibits/shadow-box
There are no comments on this comment yet.
- gray scale image made from laser and fading glow in the dark paint https://www.youtube.com/watch?v=FUa9UgAZTIY
- i remember a version of this phosphorescent wall at the los angeles children's musuem. a strobe imprinted your shadow. https://www.exploratorium.edu/exhibits/shadow-box