Here’s a clever way to recycle and reuse an old bicycle wheel! [Darren] came up with this idea a while ago, and unable to find any mention of it on the internet, he decided to make his own — He calls it the Bike Wheel Bow.
Now technically it may look like a bow, but it’s actually more of a bow-like-sling-shot, as it relies on stretch of the string (which is rubber tubing) instead of the bow itself — regardless though, it’s a cool piece of kit.
[Darren] chopped up a bicycle wheel, removed the spokes, and was left with a nice semi circle. Using regular old eyelets he installed them around the perimeter giving it a bit of a compound bow look. He’s using rubber medical tubing with a section of bicycle inner-tube in the middle which provides a fold, allowing you to shoot arrows without knocks. You can use the inner-tube for the whole thing, but it’s not as powerful.
For a bow made out of almost entirely recycled parts, it’s pretty good — he’s even made an arrow rest using the hub and a bent spoke. The only caveat to the design is the rubber tends to stick on the eyelets — it’s best to lube them up a bit before shooting. Alternatively a few $1 pulleys might work even better!
If you’re looking for a more traditional home-made bow build, why not use a pair of cross country skis? Or if you’re alone in the woods, make one completely from scratch!
Hang around Hackaday long enough and you’ll hear about MAME, and all the other ways to emulate vintage arcade machines on a computer. The builds are usually fantastic, with real arcade buttons, MDF cabinets, and side graphics with just the right retro flair to make any connoisseur of ancient video games happy. MAME is only emulating old video games, though, and not physical systems like the 
Many technologies that come about for one type of product make us want to extend it to other things. For instance, we’d like the ability to remotely unlock our front door when it’s raining or our hands are full. Once [MS3FGX] experienced Qi wireless charging with his Nexus 5, he wanted the ability to wirelessly charge all the things. The first gadget on the list was his Nook Simple Touch eReader, which 
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My entry into this field was when the first 8 bit processor (the 8008) came out, and still find it endlessly fascinating. I write a lot about embedded topics, and give talks and seminars, on all of the continents except Antarctica (so far!). We live in heavily-wooded Finksburg, MD, which is just stunning this time of year, and, since my office is in the house, the commute is pretty tolerable. Other passions include sailing; I wrote an on-line book (www.ganssle.com/jack) about racing alone across the Atlantic. Great trip, other than losing the boat.
