An anonymous reader writes "What better way of celebrating the 50th jubilee of Sputnik than by making one of your own. The BBC says that you can build your own Sputnik satellite from stuff lying around the house. The BBC quotes an electronics hobbyist: "Technology now is way ahead of what was available in 1957, and making your own fully functional Sputnik would now be very simple indeed. I wouldn't be surprised if you could build one in a container smaller than a matchbox, weighing about as much as a wristwatch. The components, including a transmitter, battery and the sensors you'd need would feasibly cost less than 50 pounds [about 100 US dollars]. It really shouldn't be a problem to build and program the whole thing in under a day." Unfortunately, the BBC article doesn't go into technical details." And of course, in fact getting it up into orbit might take a little more work.

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