Relativity Visualized
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From Awesome Explorables
Discover
Wander the web like a shoreline.
Something new washes up every time: pages from all kinds of people, made with all kinds of tools. Beachcomb shows you what it found, then gets out of the way.
Pick a few topics
“Earth Not a Globe”: Parallax’s Zetetic Astronomy (1865)
A book more or less responsible for the revival of Flat Earth theories in the modern period.
From The Public Domain Review
Welcome to AXM Paper Models
To bring the Vulcan Centaur collection to date, here’s the Vulcan Centaur USSF-87 papermodel for free download! Cargo Dragon CRS-35 is now available. This will complete the iRosa installation on all Power Channels. A postflight model for S40 is pending. Stay tuned for an upcoming 1:400 scale diorama…
Something different
Zubspace.gg – remake of 30yo Subspace game, a space MMO in the browser
Play Zubspace, an open-source HTML5 game remaking Subspace Continuum. Fan-made. Jump in and battle other players in your browser.
Something different
2026: Annus horribilis
I enjoy staring up at the stars at night and trying to wrap my tiny brain around the vast distances and time that their light has travelled. I find it relaxing to consider just how insignificant I am, and how brief and unimportant my existence is. I am hypnotised when watching the wind ripple…
From Kagi Small Web
GPS - Global Positioning System
A detailed interactive explanation on how the Global Positioning System works.
Something different
Trajectory Planning
Explore data and build apps seamlessly with marimo, a next-generation Python notebook.
From Awesome Explorables
Planet Painter
A tool that allows you to create and edit nice little spherical planets.
From Tiny Tools Directory
Black Octopus Journal
Personal writings exploring strange history, weird curiosities, occult lore, astronomy, music, and unusual finds from the deeper corners of culture.
From personalsit.es
Sara Weiss’ Journeys to the Planet Mars (1903)
A forgotten bridge between Spiritualism and UFO encounters.
From The Public Domain Review
What Is A Day?
a simulation-with-narration about what, really, is a "day"?
From Explorable Explanations
How Do You Take a Picture of a Black Hole?
Astrophysicist Shep Doeleman explains how capturing the first image of a black hole required a telescope the size of the world, and why the next goal is to create a movie. The post How Do You Take a Picture of a Black Hole? first appeared on Quanta Magazine
From Quanta Magazine
This Book Is A Planetarium
a pop-up book that is home to a working planetarium and more
Something different
That's this stretch.
Walk on