"I did a little googling on this subject of brown running out of black ink and learned that black ink can be made up of a number of different pigments. With the right conditions it's very likely that more colours could have become visible. "
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The money will be used to keep the IUOMA-platform alive. Current donations keep platform online till 1-mar-2020. If you want to donate to get IUOMA-publications into archives and museums please mention this with your donation. It will then be used to send some hardcopy books into museums and archives. You can order books yourself too at the IUOMA-Bookshop. That will sponsor the IUOMA as well.