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[theregister.co.uk...]
If this really works it will be about thirty minutes before he's had offers from every intelligence agency going.
A 4"x4" @ 300 dpi image (1200x1200px) wouldn't be that large in file size. You could then print that data, the data of much more "disks" onto another piece of paper using the rainbow format.
With this new "disk" you could then save it as a png file again, and again.
It could be an endless loop of untilimited storage, which makes me highly skeptical of this idea.
I guess in theory, it would mean you could have unlimited storage given much processing power.
instead of using zeroes and ones for computing, he used geometric shapes such as circles, squares and triangles for computing which combine with various colours
I think of it this way: suppose you have a piece of paper on which you write a string of zeros and ones. And another on which you write english text (or circles and triangles). The paper with the zeros and ones can't hold as much data, but if it becomes damaged, it's easier to distinguish 0's and 1's than to distinguish O's and C's or circles and triangles.
It could be an endless loop of untilimited storage
By adding a few extra symbols to the 26 already defined it is possible to cram an almost unlimited amount of data in a short string.
The addition of . and / allows for a concept where a small string can reference a much larger dataset, an example would be www.example.com/document, this 'reference string' would then be used to determine where to find the larger data set (probably using some sort of computer program).
The advantages of this system are numerous, you don't even need to scan the piece of paper as suggested in the original article, heck you don't even need paper (if we could just figure out a way to communicate these reference strings by sound waves).
Of course this is such a huge step forward that I would like the idea to be free for anyone to use, hopefully placing this description here will stop companies such as BT trying to profit from the idea.