Underwater ROV's - Display low cost Underwater ROV built from plumbing components and off the shelf parts. Will show underwater video taken from around Scottish coast. Also micro-rov's that can be used in a tank of water and controlled by kids and their parents. Will be bringing new version of ROV this year, more powerful and lighter.
Almost-free metal lathe, drill and milling machines.Accurate and scalable to any size. Technology used has been proven for almost 100 years. Easily made from scrap, steel bar and concrete. Built with common hand tools, a drill and a few small welds.