Dr Stojanovic and his colleague Joanna Macdonald have used this approach to build simple DNA-based circuits capable of playing tic-tac-toe (though they takeabouthalfanhour to make each move).
And in fact, students at Yale who wish to participate in ROTC must drive to the University of Connecticut at least once a week, a trip that could takeaboutanhour and a half each way.
The town has a population of over 2, 000 and Mr Morgan said that although it will take someone with a car about half-an-hour to travel to Dolgellau it will involve considerably more effort for anyone who has to travel by bus.