Unusual and rare materials

This optic fibre works like a light collecting light pipe. Light that falls on the sides of the fibre enters, is trapped and reflected to each end, so the ends of the fibre appear to glow brighter...

Nice "black" Bakelite sheets, 200mm square x 1.2mm thick. Ideal as a heat resistant insulator in projects. Made by Sumitomo Chemical in Japan, so this is high grade material. However, it may have...