Build your own Sputnik

[Mr. Analog]

It seems incredible that the technology that went into building the first successful satellite 50 years ago can now be found lying around the average house. You could even build one yourself, as Paul Rubens explains below. Fancy having a go? Then, sign up to the Magazine's Sputnik Challenge at the bottom of this page.

http://news.bbc.co.uk/2/hi/uk_news/magazine/7049002.stm

So, anyone want to build a rocket? I'll build the Sputnik...