Make black light yourself: How to make bacteria visible with your mobile phone
If you want to make bacteria visible, you can only do this with black light. This practical tip shows you how to make black light yourself with your cell phone.
Instructions: Make black light yourself with a cell phone
To make a black light lamp out of your cell phone, you only need some transparent adhesive tape and two felt pens. A blue marker and a purple marker.
- Stick the transparent tape over the flash of the cell phone camera and paint over the flash with the blue felt-tip pen.
- Let the paint dry a little, stick another strip over the light and paint the flash blue again.
- Repeat this step a third time, but now with a purple marker.
- If you want to use the black light for a long time, you can use another adhesive strip.
- In a dark room you can now perceive a black light effect through your camera and also take black light photos.
DIY black light on mobile phones: can bacteria be made visible?
- Black light is known for making bacteria and body fluids visible. With the cell phone black light, however, this only works to a limited extent.
- For the best possible result, the room should be very dark. Bright areas also give a much better contrast than black areas.
In the next practical tip we will tell you what the food trend Glonuts has to do with black light.