As accessible on the "past" link above, there was a good discussion earlier on this solution of sphere-packing in d = 8 and d = 24, featuring an epic explanator

As accessible on the "past" link above, there was a good discussion earlier on this solution of sphere-packing in d = 8 and d = 24, featuring an epic explanatory comment: https://news.ycombinator.com/item?id=11394534 https://news.ycombinator.com/item?id=11394534