If you’re one of the folks who have a new iPod nano and have scratches – here’s a HOW TO on using some Brasso, polishing cream and a little time to polish it up to like-new. Link.

Using an old modem to make a useful circuit to convert phone audio to regular line audio. This little hack is useful for those of us wanting to record Voip telephone calls for podcasts with good quality audio. Keep in mind that recording telephone calls without notifying all parties involved is against the law in many parts of the world. Link.

Make your own Zen Micro car mount – a durable and stylish, yet cheap, car mount for the Zen with easy to find items. The Parts: Two full-size Altoids tins, One big-size plastic paper clamp thing, One can of spray paint, some velcro strips. Link.

Here’s a pretty detailed article on building a carbon fiber/epoxy composite bike – It took about three months, cost about $1000, and the maker did the whole thing in his garage! He even tested the deflection and strength of the beam before (and during) riding it. [via] Link.