SCIENTISTS ARE no strangers to laptop fashions. A number of the very first makes use of of computer systems to simulate actuality, in truth, have been constructed by physicists eager to know the behaviour of subatomic particles, and meteorologists hoping to foretell the climate. Over the 75 or so intervening years, laptop modelling has change into an integral a part of scientific observe, informing every thing from predictions of local weather change to the monitoring of pandemics.