If for whatever reason you've had enough of your Xbox 360, and decide you just need to move on (perhaps to a PS3?), then one enterprising chap has gone and given you yet another possible use for your former console of choice, by turning his own defunct device into a reef aquarium.

If you're wanting some a bit more geek than a simple drinks cabinet, then you might just be into looking at this full blown AT-AT model. Unfortunately, we don't think it has lasers that actually work, but it's still plenty impressive.

Developer Brandon Fiquett is one of the first to hack Siri, Apple's new voice command feature that we have previously insisted is for your mum. But maybe not, given what this hack indicates is possible: Siri can be hacked to communicate with just about anything, and in this case has been persuaded to start a car with a simple voice command.

Have you ever been annoyed by people reading or watching what's happening on your computer monitor, usually by quite conspicuously peering over your shoulder? Or perhaps you simply want a way to prevent people using your computer in a very straightforward, quite secure fashion without using software? Well, there's a hack for that.

Oil and water don't mix: it's an old saying, but it's never more true than when you're talking about a pot of hot cooking oil and the moisture condensed on the surface of a frozen turkey. it's pretty incredible the amount of fire that simple combination can create. WARNING! This demonstration will burn your house down - seriously. If you want to fry a turkey, read the fryer's instructions, and do not try to re-create this effect at home under any circumstances.

The gadget world is full of cool eye-tracking interfaces, from an iPhone version to a fully functioning laptop. But these are all fairly pricey and complex, making them niche devices rather than widely adoptable tools. Now a Honduran teenager has an eye tracker that solves the problem: A $300 open-source kit meant for people with disabilities. It's called the Eyeboard.