Puzzle enthusiasts - Geometr

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14 Best 500-Piece Puzzles for Adults That Will Keep You Entertained for Hours

top 14 adult puzzles

Discover the top 500 piece puzzles for adults in 2026. Find the best overall, best value, and beginner-friendly options in this detailed guide.

Geometr Team
September 11, 2026

APOD: 2026 October 22 – The First Green Star, WD J1330+6435

NASA’s Oct. 22 Astronomy Picture of the Day features an illustration of WD J1330+6435…

Geometr Team
October 22, 2026

Tapetum Lucidum — Night Survey 17 (FABLE/175)

Art & Culture

Code-only eyeshine field: A Look Inside “Tapetum Lucidum — Night Survey 17” (FABLE/175)

“Tapetum Lucidum — Night Survey 17” — see it live. In a…

Geometr
October 22, 2026

Best Gifts for a Bird Watcher: Backyard and Field Picks They'll Enjoy Using

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Best Gifts for a Bird Watcher: Backyard and Field Picks They’ll Enjoy Using

Find thoughtful gifts for bird watchers, from birding tools to backyard gear, with…

Geometr Team
October 22, 2026

Against Against Handover

2d-shapes

Against Against Handover

An Astral Codex Ten essay separates AI successionism from handoverism and explores…

Geometr Team
October 22, 2026