Ultraviolet lamps are used to check banknotes and for other purposes. They can be purchased in stores, but you can also make them yourself, which we offer to do right now.
We recommend starting with watching the author’s video
[media = https: //www.youtube.com/watch? v = 6ufohEXIFJc]
So we need:
- mobile phone or flashlight;
- transparent tape;
- blue marker;
- purple marker;
- stationery knife.
Note that when using a mobile phone, you should pay attention to the presence of LED flash. In the case of a flashlight, it should also work on LED bulbs. Let's get started.
We take a mobile phone and glue a piece of tape on the flash. Cut off the excess.
Thoroughly paint over a piece of scotch tape with a blue marker.
After that, glue another piece of duct tape, which this time is painted over with a purple marker.
Glue the third layer of adhesive tape and paint it again with a blue marker.
Finally, glue the fourth layer of adhesive tape and paint it again with a purple marker.
Our ultraviolet flash is ready.
The same thing can be done with a flashlight.
