From the Prawn of Time
The place was full of Apple Macs. And everyone was younger than me. Ah well, welcome to the future...
LONDON -- Facing a crowd of hungry listeners, inventor James Larsson boldly launched his demonstration without offering anyone a bite of the Marks & Spencer prawn sandwich in his hand.His decision was wise given that the stale lunch food no longer qualified as edible. Instead, it served as an integral part of the time-telling device that Larsson unveiled at NotCon, a sold-out conference on technological innovations that took place at Imperial College in London over the weekend. The informal event focused on "things that technologies were perhaps not intended to do."
And the sandwich?
Use three A-D convertors into the BBC, tied to a capacitance sensor (prawns) and two resistance sensors (bread and mayonaise). Look up "decay" data against a large array of "stale sandwiches I have known" to estimate the age of the sandwich...
As James Larsson said: not as good as an atomic clock, but accurate to about 4 hours in every 24...
Above - A delightfully appetizing combination of prawns with letttuce, tomato, cucumber, and mayonaise delicately held between two fresh slices of wholemeal bread - entirely made of plastics. See The Replica Production Group
