Sun 8 Aug, 2004 09:02 am - Ah, I used metric (tonnes). I can never remember the conversion factor though :(. In fact, I don't know if explosive yield is measured in tons or tonnes, either...
But either way, it still... (view)
Sun 8 Aug, 2004 08:55 am - I don't know if we used FEI stuff or not, although their company logo looks familiar...
I would assume that the sample thickness that can be used, and the resolution, would ultimately depend... (view)
Sat 7 Aug, 2004 08:24 am - Well, I can imagine that it would be quite useless at imaging hydrogen atoms, since there isn't much there to deflect the electrons. Similarly, X-ray crystallography doesn't do well with... (view)
Sat 7 Aug, 2004 08:13 am - OK, I didn't realise you were only considering mass extinction, I thought you were talking about catastrophe in a more general sense.
I don't know how to answer your question really.... (view)
Fri 6 Aug, 2004 05:36 pm - If you have any specific questions, then ask... part of my materials and metallurgy course last year involved electron microscopy in detail, both the theory and the practical usage. (view)
Fri 6 Aug, 2004 05:31 pm - "I asked the reader to imagine that some technology was discovered which could be implemented by anyone with a few million dollars and access to a few good physicists (or perhaps biologists in... (view)
