Hacker News
- How do I calculate the periodicity of a spirograph (hypotrochoid)? http://en.wikipedia.org/wiki/Spirograph 5 comments math
- Just went home to visit grandparents and found this. Still has all the pieces too, except the pens. http://en.wikipedia.org/wiki/spirograph 3 comments reddit.com
Linking pages
- Antique Electronics Autopsy: 1950s Eico Oscilloscope Model 425 - EE Times http://www.eetimes.com/author.asp?amp%3B=&%3Bdoc_id=1320966§ion_id=69 22 comments
- Liquid Guilloché - Max Irwin http://max.io/articles/liquid-guilloche/ 3 comments
- Oscillating sine wave, including the steps to figuring out how to plot a sine wave · GitHub https://gist.github.com/gkhays/e264009c0832c73d5345847e673a64ab 1 comment
- When We All Pretended We Had Computers - The Mad Ned Memo https://madned.substack.com/p/when-we-all-pretended-we-had-computers 0 comments
- Fast-moving star is the closest yet to the Milky Way’s black hole | Ars Technica http://arstechnica.com/science/2012/10/fast-moving-star-is-the-closest-yet-to-the-milky-ways-black-hole/ 0 comments
- Adobe XD Developer Platform: Be The First To Know | by Kerri Shotts | Adobe Tech Blog https://medium.com/adobe-io/adobe-xd-developer-platform-be-the-first-to-know-c63a33ec5f4f 0 comments
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