Sphere vs Torus Debate

Commenters debate whether a featured object or design is a true sphere, torus, donut, dome, or other shape, often questioning why it isn't perfectly spherical or suggesting spheres as superior.

➡️ Stable 0.6x Science
3,284
Comments
20
Years Active
5
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#7960
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Keywords

HN wikipedia.org LLM sphere spherical cube shape surface area round circle curved triangle volume

Sample Comments

skybrian Jun 11, 2020 View on HN

Why a sphere and not some other shape?

supermatt Mar 25, 2019 View on HN

interesting, a kind of sphere with flat surfaces....

psychometry Apr 30, 2013 View on HN

One expects spheres to be roughly spherical. These are not.

tossandthrow Apr 11, 2024 View on HN

nah, a circle is daft. an sphere in space is much better. bring in that 3rd dimension!

soperj Aug 30, 2022 View on HN

How's this a donut and not a sphere?

rossant Oct 11, 2025 View on HN

It's not perfectly spherical though.

chipsrafferty Sep 11, 2025 View on HN

It's not perfectly spherical, actually.

selcuka Sep 14, 2022 View on HN

It is a circle, from a certain point of view.

ionwake Mar 18, 2015 View on HN

wait im confused, why a torus and not a sphere?

ilaksh Oct 22, 2023 View on HN

It's not a sphere. It's a dome.