How does the idea of silk-coats leather sound? Scientists at tic National Institute of Sericultural and Entomological Science Japan are working to realise the ideT with the help of Indem,*3 Petrochemical Co Ltd Silk, now only made into yarn fibip has been crushed to powder forzT for coating various mate :l r, I S give them the sheen. The technolol involves boiling raw silk in sodium carbonate solution for a few houg and then crushing it is stages using fibroin powderi afi technique and precision crush]! (Science and Technology in Jap Vol 14, No 54).