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Neuromante

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About Neuromante

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    Vacuum

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    South London, UK
  1. Why we don't sell our optical stuff and do some crowdfunding for a communal radiotelescope somewhere in London? Scattered clouds are starting to gather now, and they move, I thing, southwards. BBC Weather says clear sky in a couple of hours. I'll enjoy "The Bourne Supremacy in ITV2 until then
  2. If you read "The problems of phillosophy", of Bertrand Russell, you can see that he writes quite a lot on the topic "what is reality". How do we know what is real and what is not. It looks trivial ("Real is real"), but is not. However, we could stay at home for the rest of our lives wondering that. Solution, you assume that the universe and everything in it is rea. No Matrix world. Same can be said about the principles of physics. They are not granted, but we have to assumme that they are the same everywhere. Why gravity should be different in other parts of the universe? Why weak interaction
  3. If we are talking about Physics books, not about Astronomy & Astrophycs, a book that won't dissapoint you is the textbook on the topic by Paul A. Tipler. Is a classic, well explained and with much examples and exercises. At least 20 years ago it was published in two volumes. That would make a good foundation in Physics for any scientifical degree, and would be a reference book for the rest of your career. I can't be sure if this is it, as mine is in Spanish and I don't have it here to check the index (or even if Mosca is the coauthor)...: http://www.amazon.co.uk/Physics-Scientists-Engineer
  4. Hi Gerontious, We can talk about different levels in this topic. In a broad sense, elements differenciate in planets because of their density, as other users have explained. And that's why the core and mantle of our planet are so different (though each of this layer are supposed to be very homogenous themselves). But if we look to the crust, and just the crust, we see high variability in their occurrence. That's quite logical, actually, when you realise that our planet is very much alive in the sense that the lithosphere is renewed constantly through the mechanism of plate tectonics. For examp
  5. Hi all, Thanks for the warm welcome, that's really nice. I haven't seen people so friendly in a forum in a long, long, long time! I live, to be precise, in Croydon, and I work farther south, so each day I drive/cycle throught the countryside; I have my eye already in several spots Also, in terms of societies, I have been planing for ever to attend the talks organised by the local astronomical society... but then I never go! Well, people, thanks again for the welcome. J.
  6. Hi all, My name is Jorge, and I live in South London. I am originally from Spain, and after several years away from astronomy, I am getting into it again. For sure, London is not the best sky for this, but hey, there are good places at less than one hour drive from here to the south, so, here I am. I have bought today a Skywatcher Skymax 127 SynScan. I have been reading in this forum for many days pros and cons of different telescopes, and finally this one catched me. I haven't had yet time to test it, because... well, English summer, you know about it Pleased to be here.
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