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NASA Color Trick Was Meant for Mars. Now It's Unveiling Rock Art on Earth

https://gizmodo.com/this-nasa-color-trick-was-meant-for-mars-now-its-unveiling-rock-art-on-earth-2000809844
50•gumby•1h ago

Comments

NDlurker•42m ago
Amazing. This will change how I take photos
tedecristal•40m ago
any repo or link where other people can try?
ortusdux•37m ago
Matlab - https://www.mathworks.com/help/images/enhance-color-separati...

This paper might also be of interest - https://www.mdpi.com/2227-7390/13/20/3297

"In this paper, we review the theory behind decorrelation stretch and propose some alternative algorithms that resolve the issues of the standard approach."

pimlottc•31m ago
The app is called DStretch, it's available for iOS and Android

https://dstretch.com/Apps/index.html

pimlottc•28m ago
This is based off a NASA article, which has an expanded version with more details here:

https://spinoff.nasa.gov/Manipulating_Satellite_Photos_Now_R...

homeonthemtn•17m ago
Way better, thank you
cwmoore•25m ago
No tricycle-riding penguins yet.

In reality very interesting work and results, but a little disturbing that it took three or four decades and a self-funded citizen scientist to transfer the knowledge to the application.

HPsquared•24m ago
See also: Eulerian Video Magnification (EVM) to amplify subtle motions and colour changes:

https://youtu.be/ONZcjs1Pjmk https://youtu.be/_qtzWNZApsw

dylan604•21m ago
“No one really knows why people made the rock art they made, at least in many cases,” Harman said

Well, it's obvious they really wanted to though. This isn't like marking on a wall with a Sharpie. They had to work at it to make it happen. The commitment alone is impressive even if it was just a "Grogg was here!"

Shopify moves back to Native from React Native

https://shopify.engineering/back-to-native
433•fnthawar2•3h ago•303 comments

Rust Is Tier-1 Language at Microsoft

https://rustfoundation.org/media/guest-post-rust-is-tier-1-language-at-microsoft/
312•mmastrac•3h ago•154 comments

Cognition launches new SWE-2 model, Rivaling Fable 5.1 and GPT-Astra

https://cognition.com/blog/swe-2
102•seelos•1h ago•48 comments

More questions about whether researchers can trust OpenAI with unpublished math

https://mathstodon.xyz/@andreasthom/117240535270608201
152•pred_•10h ago•335 comments

NASA Color Trick Was Meant for Mars. Now It's Unveiling Rock Art on Earth

https://gizmodo.com/this-nasa-color-trick-was-meant-for-mars-now-its-unveiling-rock-art-on-earth-...
52•gumby•1h ago•10 comments

Software Drives People Insane

https://graybeard.ing/software-drives-people-insane/
45•rglover•1h ago•27 comments

Neki

https://planetscale.com/blog/introducing-neki
62•simon_weber•1h ago•9 comments

Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls

https://www.pv-magazine.com/2026/09/07/hitachi-launches-co2-heat-pump-water-heaters-with-solar-fr...
216•thelastgallon•1d ago•171 comments

Forgejo <=16.0.3 Critical RCE

https://codeberg.org/forgejo/forgejo/src/branch/forgejo/release-notes-published/16.0.4.md
25•weierstass•1h ago•8 comments

Silicon Valley Is Transforming the Military-Industrial Complex

https://costsofwar.watson.brown.edu/paper/how-big-tech-and-silicon-valley-are-transforming-milita...
24•paimapi•1h ago•14 comments

>10x More Efficient Pretraining

https://magic.dev/blog/pretraining#
61•ronfriedhaber•2d ago•23 comments

DeepSeek v4.1 Flash

https://twitter.com/deepseek_ai/status/2097930608790167907
785•Liwink•11h ago•424 comments

Casablanca: How an unproduced play marched into movie history

https://www.thecollector.com/casablanca-unproduced-play-movie-history/
22•mdp2021•1h ago•8 comments

Neki by PlanetScale

https://neki.dev/
56•handfuloflight•1h ago•11 comments

Douglas Hofstadter: Analogy as the Core of Cognition [video]

https://www.youtube.com/watch?v=n8m7lFQ3njk
14•tosh•4d ago•0 comments

What algorithm did Windows XP use to choose your initial user picture?

https://devblogs.microsoft.com/oldnewthing/20260909-00/?p=112683
269•soheilpro•8h ago•134 comments

List of references on Sony websites to players "owning" their digital games

https://consumerrights.wiki/w/Sony_PlayStation_digital_game_ownership_lawsuit
237•haunter•5h ago•77 comments

Python sets and dictionaries can have quadratic-time performance

https://lemire.me/blog/2026/09/03/python-sets-and-dictionaries-can-have-quadratic-time-performance/
37•ibobev•2d ago•11 comments

To write non-fiction, draw the trunk, then the rest of the tree

https://devz.cl/posts/how-to-write/
57•DanielVZ•2d ago•18 comments

Stockfish 19

https://stockfishchess.org/blog/2026/stockfish-19/
204•atiedebee•3d ago•123 comments

Show HN: MultiMatte, a Promptable Image Background Removal Model

https://usefeyn.com/blog/multimatte/
8•snyy•1h ago•1 comments

iPhone Duo

https://www.apple.com/iphone-duo/
1345•thecosmicfrog•23h ago•2347 comments

Show HN: DOOM in the kernel, or fibers in eBPF

https://ayles.github.io/doom-in-kernel/
4•ayles•23h ago•0 comments

Show HN: What if the speed of light was 5 km/h?

https://rivendell.dmitrybrant.com/relativity/
540•dmitrybrant•15h ago•231 comments

Show HN: Syq – copy files between machines fast (better than rsync)

https://greaber.github.io/syq/
12•greaber•2h ago•9 comments

Cognition's SWE-2 achieves 92.8 on Terminal-Bench 2.1

https://tokenstead.ai/models/swe-2
3•cdnsteve•34m ago•0 comments

Serverless DTLS

https://proxylity.com/docs/listeners/dtls.html
8•mlhpdx•1h ago•5 comments

The first drink-driving conviction may have happened in London

https://www.ianvisits.co.uk/articles/the-worlds-first-drink-driving-conviction-may-have-happened-...
13•beardyw•9h ago•22 comments

Show HN: Filament – Fast data movement engine in Go

https://github.com/galaxy-io/filament
19•ikswolzok•2d ago•3 comments

Native Python and TypeScript Drivers for ArcadeDB, from OpenAPI and Protobuf

https://arcadedb.com/blog/arcadedb-native-drivers-python-typescript/
5•lvca•1h ago•0 comments