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Altoid tin alterations are pretty popular among the hacking community, but this one takes it down in size. Using the Altoids Slim tins, Instructables user Joshua Zimmerman put together these bite-sized LED flashlights for under $5. With just a tiny bit of drilling and soldering, you could easily assemble a handful of these in an hour or two.

Wei Xinlong, a senior at Northeast Normal University in Changchun, built this for his girlfriend Sun Shasha. Methinks that if this is real and works well, the world is soon to see a whole new wave of tablet PCs.

The Hungarian Forint is used in very large quantities ($1 USD = 218 Ft) so the government recycles a few tons of it every year. After shredding it and bundling it into bricks, the currency is shipped to charitable organizations to help with their heating cost.

Last week I issued a challenge to design a book lamp like boutique ones made by Typewriter Boneyard but for a fraction of the cost. Lo and behold, user Richard made a beauty. Using three used books and light fitting parts found at a DIY store, he built this model with two hours of spare time and less than £15. A tip of the hat to you sir for putting together such

RO&AD, an architectural firm whose name sounds very much like a quote from an intoxicated Chris Farley, recently designed The Trench Bridge. A pedestrian foot path designed to make us rethink the way we look at bridges, this one crosses the moat in front of Fort de Roovere in Halsteren. A neat concept, but one that would only be applicable on a small scale to bodies of water that stay at a constant depth.

Czech glass artist Michal Zahradnik designed this all-glass steam engine, which he claims is fully operational and can run at 500rpm. Some of his other creations include a model plane and Harley-style motorcycle. All I know is the sound this thing makes is going to haunt my dreams.

Is another man's freaking awesome footwear. Good work, kid. If I were near you I would buy everything in stock.

~NSHA

From the submitter:

While I appreciate the skill displayed in the other booklamps produced, I feel they lack a certain kludge factor. I think I've achieved that here. Plus, no books were harmed in the making of this lamp!