einstein

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Sez the Economist: For, according to Dr Pyykko’s calculations, relativity explains why tin batteries do not work, but lead ones do. His chain of reasoning goes like this. Lead, being heavier than tin, has more protons in its nucleus (82, against tin’s 50). That means its nucleus has a stronger positive charge and that, in…

Three posts in one day. And all of such high quality. You lucky people. Pascal has a go at explaining the std.nutters. Some of it is the usual correct stuff, but some of it is wrong: What you need, over and above all that, is constant social interaction with other practising scientists. Oral tradition and…