888 followers Chris Nicholas @CatalysisChris See also - https://t.co/R0wmz8XYmT 19 Aug 2020 Reply Repost Favourite
22,895 followers Philip Ball @philipcball @rmathematicus Have you seen this? I just came across it - looks very nice (plus Kepler and Galileo...). But of course, pricey. https://t.co/DUK7zALjt7 08 Jan 2019 Reply Repost Favourite