Another excellent column from Bruce Schneier on security, this time on passwords and the cracking mechanisms used to break them. I read through it feeling a little smug as none of the choice flaws he mentioned are ones I do. more »

How can I not link to this one...? more »

First link is to a demonstration of a tub of sulfur hexafluoride (transparent heavier than air gas) causing a silverfoil boat to float in mid-air. Second link is to unexpected behaviour of liquids under various conditions. (Via BoingBoing) more »

Looks like boneheaded copyright laws are back on the agenda here in Canada. (Via BoingBoing) more »