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Life, Learning & Writing

The most popular blog posts about life, learning & writing on Hacker News. 465 posts.

2019
422

Sysop Chat

Back in mid-90s before anyone I knew had an Internet connection, a few of us had modems and would use them to call bulletin board systems via the phone line. On these systems what to me seemed the main thing was discussions and chat. For the first time I could talk to other like-minded people, and just being able to…

430

How to Build a Pyramid

Exactly how did the Egyptians build the Pyramid of Khufu and its two great successors on the Giza Plateau? That question has been debated at least since the time of Herodotus. Many a person has looked upon what the Egyptians are alleged to have wrought, compared it with the early date which historians assign to it…

440

Tickling (2018)

Before our kids learned to talk, I would play tickles with them. I would make tickling gestures as I moved towards them, they would start giggling a little, then I would tickle them and they would laugh. We'd continue until they seemed to be done with the game, and then we'd move on to something else. As they got…

442

Hexagonal Cross Stitch

At least year’s Bridges Conference in Stockholm, I attended a short presentation by Susan Goldstine about “self-diagramming lace” . As motivation for the new work she was presenting, Susan referenced her paper from the year before on what she calls “symmetry samplers” . Samplers are an old tradition in fibre arts. A…