OptoSci Ltd, based in Glasgow, Scotland, UK, designs, develops and manufactures two main product families OptoSniff®: http://www.optosniff.com Novel gas sensing system which reliably measures methane / natural gas concentrations from hundreds of sensing points over long distance, intrinsically safe, optical fibre links. It uses innovative laser and fibre optic technology for rugged, continuous, multipoint CH4 leak detection & monitoring in service tunnels, utility ducts, under & in buildings, LNG storage, landfill & brownfield sites, coal mines, etc. Photonics Educator Kits & Instruments: Self-contained laboratory based teaching kits & test instrumentation for universities, colleges, education & training centres