Technology

LED menorah kit

LED menorah kit

Windell at Evil Mad Scientist writes: Hanukkah in particular has been a festival of lights for more than a dozen centuries longer than there have been lights on Christmas trees. History notwithstanding, Hanukkah still lags behind Christmas in the transition from traditional light sources like candles towards microcontroller driven arrays of LEDs. While that may […]

MD5 collision demonstration

MD5 collision demonstration

MD5, the cryptographic hash function that’s often used to verify that files have not been tampered with, has been broken for a couple of years now. A lot of times when you hear about some algorithm being compromised, it’s not something that’s immediately practical to exploit… an encryption algorithm’s effective strength is reduced by a […]

Faking constants in Actionscript 2.0

Most people get around Actionscript 2.0’s lack of constant variables by just naming member variables in all capital letters and remembering not to alter their value. This works okay, assuming you obey the rules, but what if you want to enforce a constant value so that it cannot be changed during runtime. Edgar De Loa […]

Turn your walls into a desktop

Turn your walls into a desktop

This seems like a pretty easy way to make your real desktop clutter even worse than it is on your normal computer desktop. Still, it’s a cool way of bringing the “virtual” into physical space in order to remind us exactly how much the desktop metaphor has become entrenched in our daily lives. Move Your […]