Who does not like to use a huge stock of old CDs in his office and would recommend this for something useful? Now there is a solution. You build from the CDs, DVDs or blanks a great lamp. With the help of a cold cathode, which fits into the inner circle of the CDs is possible. A voltage converter you get usually included in a set. Now you only need to stack the CDs and already is the light use.
– min. 200 CDs
– a Kaltlichtkathode green (Amazon) , there is usually only set of 4
– an old Tupperware from mothers kitchen
– when operating without a PC, an additional power supply
if you want to use an external power supply, you should have some electric craft experience.