PIA16009 cat’s eye 24th 69th 70th 71st 84th pages, Light Cones & Three Dimensional Skill Sets, Air Traffic Control, Light Waves & Particles These discussions commemorate the passing of Professor Stephen William Hawking, age 76, on ‘pi day’ 2018, late of Cambridge, England. They are extracts of a letter sent in 2003 to […]
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