How it works:
Behind the wood and the diapositive the mounted foil absorbs energy
from any natural or artificial light source.
For example a flashlight works best.
In the absence of any light the absorbed energy is released as a luminous glow
which can last for up to six hours.
from any natural or artificial light source.
For example a flashlight works best.
In the absence of any light the absorbed energy is released as a luminous glow
which can last for up to six hours.
