Data Matrix
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A Data Matrix is a two-dimensional code consisting of black and white "cells" or dots arranged in either a square or rectangular pattern, also known as a matrix. The information to be encoded can be t
A Data Matrix on a Mini PCI card, encoding the serial number 15C06E115AZC72983004
Reading Data Matrix code with mobile phone (Wikipedia's former Semacode project)
Industrial Data Matrix code readers
Hello, world
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A "Hello, world" program is usually a simple computer program that outputs a message similar to "Hello, world". The text may be printed out or displayed on a screen. A small piece of code in most gene
Data Matrix
…German computer programmer, Bernd Hopfengärtner, created a large Data Matrix in a wheat field (in a fashion similar to crop circles). The message read "Hello, World!". Data Matrix symbols are made up of modules arranged within a perimeter finder and timing pattern. It can encode up to 3,116 bytes, by default interpreted…
A program to output "hello, world", handwritten in the C language and signed by Brian Kernighan (1978)
"Hello World", displayed by a program running on Sony's PlayStation Portable as a proof of concept
Computer numerical control (CNC) machining test in poly(methyl methacrylate) (Perspex)
A "HELLO WORLD" message being displayed through long-exposure light painting with a moving strip of light-emitting diodes (LEDs)