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Torus-Earth

www.aleph.se Essays & writing Essays & articles Mathematics & science Candidate
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Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

Top comments

A few years ago I was wondering what this would look like and (less accurately) modeled it in 3d: http://farm3.staticflickr.com/2630/4085959963_8dc8217283_o.j...

dzuc·266-point thread·

What a fascinating premise. Kudos to the author for doing such a thoughtful analysis. His technique for arriving at the cross-sectional shape is especially interesting. I would have never considered that the optimal cross-sectional shape to have been anything other than a circle. I wonder if it would be possible to orbit the ring in the axial plane, around a single arm of the torus? Or even in a lemniscate, intersecting the inner Lagrange point?

> while strongest slightly hubward from the "poles". This can be a fairly major difference. Spotted the discworld fan.

messe·73-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

HN stats

Breakout years
2

100+ points or 50+ comments

Total points
449

reference only — not used in Hall rules or ranking

Total comments
112

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2014-02-05Torus-EarthFirst breakout · Best threadKutta26662
2017-10-29Torus Earth (2014)mef11017
2022-07-14Torus-Earth (2014)Latest 20+ point return10000truths7333