NO 7: THE SPECTROMETER
To Fagerhult’s excellent Light studio in southwark, where Batwing is regaled with tales of future light sources by Dr Janos Veres, the chief technology officer of Polyphotonix.
Catching Batwing’s eye (we’re not blind, remember?) was Dr Veres’ homemade spectrometer. You can make this at home boys and girls: you’ll need a CD (I can recommend Bat out of Hell), a smallish cardboard box, two razor blades and sticky tape.
Get a grown-up to help - Dr Veres spectrometer
Cut a 3cm high by 1cm wide slit in one end, and then align the two razor blades to create a gap of 1mm. at the opposite end, mount the CD and in the adjacent side cut a 10cm viewing hole. hold at an angle that allows light from the source to be refracted by the CD.
20 April 2011
Nazis, cancer and the EU: surely the Three Scariest Things Ever to a Daily Express reader. Which is why they all made an appearance in the newspaper’s latest CFL scare story.
04 October 2011
For the last few years, fashion designers have made merry with the LED, incorporating the portable light source into everything from trainers to wedding dresses