Uploaded April 2020 | Updated September 2026, 2 weeks ago
We use a 2L plastic bottle with a hole in it to make a little water stream. Then we add some dye that will make a blue laser fluoresce. So you get to see a brilliant orange beam bend, because water acts like a fiber optic cable. Easy to do at home.
We use a 2L plastic bottle with a hole in it to make a little water stream. Then we add some dye that will make a blue laser fluoresce. So you get to see a brilliant orange beam bend, because water acts like a fiber optic cable. Easy to do at home.
