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Efficient solar cooking that stores heat in sand

https://www.sciencedirect.com/science/article/pii/S266711312500035X
7•gsf_emergency_6•2d ago

Comments

Legend2440•2d ago
I was expecting some sort of cool focused-light cooker like a solar oven, but it's basically just an electric cooker powered by solar cells.
actionfromafar•13m ago
This should scale up for heating a house at night, too.
kirab•3m ago
It even scales up to a whole town: https://polarnightenergy.com/news/worlds-largest-sand-batter...
gsf_emergency_6•2m ago
Yep! focussed light anything is a hassle really-- mirrors have to be maintained and positioned. For anything larger than a family, mirrors have to be unrealistically large..

There was a concentrated light power station in the desert, but it didn't work out..

Await Is Not a Context Switch: Understanding Python's Coroutines vs. Tasks

https://mergify.com/blog/await-is-not-a-context-switch-understanding-python-s-coroutines-vs-tasks
51•remyduthu•1h ago•23 comments

Statistical Process Control in Python

https://timothyfraser.com/sigma/statistical-process-control-in-python.html
61•lifeisstillgood•3h ago•5 comments

Show HN: KiDoom – Running DOOM on PCB Traces

https://www.mikeayles.com/#kidoom
260•mikeayles•14h ago•32 comments

Image Diffusion Models Exhibit Emergent Temporal Propagation in Videos

https://arxiv.org/abs/2511.19936
36•50kIters•4h ago•5 comments

Surprisingly, Emacs on Android is pretty good

https://kristofferbalintona.me/posts/202505291438/
148•harryday•3d ago•73 comments

Copyparty, the FOSS file server [video]

https://www.youtube.com/watch?v=15_-hgsX2V0
91•franczesko•6d ago•18 comments

Cekura (YC F24) Is Hiring

https://www.ycombinator.com/companies/cekura-ai/jobs/0ZGLW69-forward-deployed-engineer-us
1•atarus•15m ago

Space Truckin' – The Nostromo (2012)

https://alienseries.wordpress.com/2012/10/23/space-truckin-the-nostromo/
103•exvi•9h ago•47 comments

A new bridge links the math of infinity to computer science

https://www.quantamagazine.org/a-new-bridge-links-the-strange-math-of-infinity-to-computer-scienc...
195•digital55•16h ago•94 comments

Trillions spent and big software projects are still failing

https://spectrum.ieee.org/it-management-software-failures
475•pseudolus•1d ago•416 comments

Show HN: We built an open source, zero webhooks payment processor

https://github.com/flowglad/flowglad
320•agreeahmed•18h ago•185 comments

Efficient solar cooking that stores heat in sand

https://www.sciencedirect.com/science/article/pii/S266711312500035X
7•gsf_emergency_6•2d ago•4 comments

CS234: Reinforcement Learning Winter 2025

https://web.stanford.edu/class/cs234/
124•jonbaer•11h ago•18 comments

1,700-year-old Roman sarcophagus is unearthed in Budapest

https://apnews.com/article/hungary-roman-sarcophagus-discovery-budapest-77a41fe190bbcc167b43d0514...
86•gmays•1d ago•47 comments

How to repurpose your old phone into a web server

https://far.computer/how-to/
252•louismerlin•3d ago•96 comments

Launch HN: Onyx (YC W24) – Open-source chat UI

202•Weves•21h ago•138 comments

Downsampling: Largest-Triangle-Three-Buckets and the Fourier Transform

https://daniel.mitterdorfer.name/posts/2024-01-30-downsampling-lttb-and-fft/
10•wonger_•4d ago•1 comments

FLUX.2: Frontier Visual Intelligence

https://bfl.ai/blog/flux-2
319•meetpateltech•20h ago•91 comments

New layouts with CSS Subgrid

https://www.joshwcomeau.com/css/subgrid/
231•joshwcomeau•20h ago•65 comments

Java Decompiler

http://java-decompiler.github.io
83•mooreds•3d ago•35 comments

BebboSSH: SSH2 implementation for Amiga systems (68000, GPLv3)

https://franke.ms/git/bebbo/bebbossh
43•snvzz•10h ago•11 comments

Python is not a great language for data science

https://blog.genesmindsmachines.com/p/python-is-not-a-great-language-for
256•speckx•19h ago•248 comments

Google Antigravity exfiltrates data via indirect prompt injection attack

https://www.promptarmor.com/resources/google-antigravity-exfiltrates-data
683•jjmaxwell4•17h ago•183 comments

Ilya Sutskever: We're moving from the age of scaling to the age of research

https://www.dwarkesh.com/p/ilya-sutskever-2
332•piotrgrabowski•18h ago•279 comments

Constant-time support coming to LLVM: Protecting cryptographic code

https://blog.trailofbits.com/2025/11/25/constant-time-support-coming-to-llvm-protecting-cryptogra...
89•ahlCVA•23h ago•33 comments

Someone at YouTube Needs Glasses: The Prophecy Has Been Fulfilled

https://jayd.ml/2025/11/10/someone-at-youtube-needs-glasses-prophecy-fulfilled.html
732•jaydenmilne•14h ago•485 comments

The fall of Labubus and the mush of modern internet trends

https://www.michigandaily.com/arts/digital-culture/the-fall-of-labubus-and-the-mush-of-modern-int...
90•gnabgib•2d ago•138 comments

Pitch Multiplication (2017)

https://klangnewmusic.weebly.com/direct-sound/pitch-multiplication
11•ofalkaed•3d ago•0 comments

Unifying our mobile and desktop domains

https://techblog.wikimedia.org/2025/11/21/unifying-mobile-and-desktop-domains/
163•todsacerdoti•19h ago•43 comments

The Bughouse Effect

https://tsvibt.blogspot.com/2025/11/the-bughouse-effect.html
41•surprisetalk•16h ago•9 comments