The only protection as a historian is to institute a process of research and writing that minimizes the possibility of error. And that I have tried to do aided by modern technology which enables me having long since moved beyond longhand to use a computer for both organizing and taking notes.
You can always improve on something the technology is different today but I would leave it well alone. If there was something that was incomplete that might be interesting… because I do that on my website.
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The rapid dissemination of technology and information offers entirely new ways of production but it can also bring the spectre of more states developing weapons of mass destruction.