By @edent · design mobile NaBloPoMo space invaders tetris · 150 words · read ~5,559 times.
Designer Ming Ling has created the most wonderful QR code constructed out of Tetris pieces. The full size version is a work of beauty. As I've explained before, this works because the QR scanner sees the image in black and white - so light colours disappear. Anything else is covered by the fairly generous error […]
Continue reading →By @edent · BBC graphics hacks NaBloPoMo QR Codes space invaders · 7 comments · 450 words · read ~1,881 times.
One of the lovely aspects of QR codes is the variable levels of error correction built in. On even the most basic code you can obscure or deform up to 7% of the code and most readers will still decode it. This leads us in to the amusing territory of "hiding" human readable data in […]
Continue reading →By @edent · geo cacheing NaBloPoMo paris photos space invaders · 250 words
I love nothing more that a tramp round a city. Taking the Metro in Paris is very simple - and fairly cheap - but the riches you discover wandering around make up for the extra time needed. A few years ago, Miss Geeky introduced me to Space Invader spotting. Dotted around the cities of the […]
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