Spectrum analysis on the cheap.

If you’ve ever hacked around with wireless communications, in particular data networking chances are you’ve come across the oh-so-nifty USB spectrum analyzers that operate in the gigahertz range (which 802.11a, b, and g networks, among other wireless applications, operate within). The idea is simple: you plug the analyzer into a USB port on your laptop, fire up the software, and you can see the whole spectrum broken down into channels with relative signal strengths representing activity on the screen just like in the movies. While granted this can be a useful tool for anyone doing serious RF …

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Snow for sale and more.

For those of you wondering if winter's ever going to arrive, wonder no more! Someone in Fort Collins, Colorado is selling samples of snow from the blizzards they've been having all season. He's selling ten (10) samples at $0.99us each, shipped in sealed one gallon baggies. So far, he hasn't decided if he's going to pack the in dry ice for preservation.

Just when you thought home aquaria had reached its pinnacle, someone comes along and builds a habitrail for his fish that goes all through his apartment. Hacking home fabrication systems.

Here's an unclassified memo written by the …

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