The Unlimited Register Machine (URM), designed by Nigel Cutland, is an abstraction of a computer similar to the Turing Machine – but somewhat easier to get to grips with and more in tune with the operation of a modern computer…
Alpha Mountain from Dione. Tantalus Range, SW British Columbia, Canada.
Beinn Bhan descent ridge from the A'Chioch ridge. Applecross, Scotland.
The summut of Serratus. Tantalus Range, SW British Columbia, Canada. Climber : Cormac Flynn.
Walkers on the Fairfield Horseshoe. Lake District, Cumbria.
Toll an Lochain. An Teallach, North West Scotland.