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Beagle will be set free to enter the atmosphere at 700 mph. Once it has slowed down, parachutes will open to brake it even more. Finally, large gas bags will inflate to cushion the probe as it bounces to the surface. Once still, its solar panels will open up and cameras will start to peer around the site. During the first few hours it will send its call sign - a song specially recorded and composed by the pop group Blur - back to Milton Keynes via Nasa's orbiting Odyssey craft. Beagle 2 weighs just 75lb - and carries 24lb of scientific equipment. It is tough enough to survive the shakes of take-off, and a bump on landing likened to pushing a computer off a desk on to concrete and expecting it to work.
"There are three aspects of punishment: Retribution:[/i] the need for society to get its revenge on the wrong- doer: a basically irrational (but quite understandable) emotional response. If this means pushing a computer system over a cliff after it has driven someone to suicide through sending them wrong electricity bills, we can understand it. [...] Rehabilitation:[/i] In this sense, the aim of punishment is to improve the individual for his own sake and that of society. In the case of a computer, this may involve re-programming or the indication to the computer that its previous response had been wrong, so that this reprimand is stored as a new parameter value to adjust its future behaviour. The fact that we did not use a cat-o'-nine-tails or the brig does not mean what we did was not punishment, any more than it is not punishment - of a severe kind - if a court-martial reprimands an officer who runs a frigate aground. Deterrence:[/i] The fact that [this computer system] is punished should be communicated to other computer systems working on similar things. [...]