My design for a blood nitrogen tester for divers has changed a lot since the first pin up of the project. The shape is very different to those that i first came up with although the general method of collecting its data has stayed quite the same. The test will basically take a small sample of blood from a prick on the finger, the device will then analyse the blood and let the diver know the amount of nitrogen in the blood and whether any has begun to form into the dangerous bubbles that cause 'the bends'.
Doesn't seem to want to co-operate with my photos so i guess you'll have to wait for class to see how it's going.
Ross Thomas
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