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Portable 1MV X-ray system combines Cockcroft–Walton with Van de Graaff dome

https://www.lanl.gov/media/publications/1663/0624-x-rays-light
9•LAsteNERD•4d ago

Comments

CamperBob2•1h ago
Very cool. I have a ~750 kV VDG that sits around gathering dust in the garage because it's such a pain to keep the moving parts aligned and running smoothly. Might have to retrofit it with a C-W stack.
Animats•1h ago
What is the equipment at [1] in the video? It looks like a huge room of large centrifugal blowers not connected to any ductwork. Is that some random AI-generated picture? From Los Alamos National Laboratory?

For comparison, here are some large centrifugal blowers from The New York Blower Company.[2] They're a standard industrial item, but unrelated to X-ray machines.

[1] https://youtu.be/tq_AFsq86sw?t=25

[2] https://www.nyb.com/radial/

14-year-old Miles Wu folded origami pattern that holds 10k times its own weight

https://www.smithsonianmag.com/innovation/this-14-year-old-is-using-origami-to-design-emergency-s...
564•bookofjoe•12h ago•109 comments

Rise of the Triforce

https://dolphin-emu.org/blog/2026/02/16/rise-of-the-triforce/
203•max-m•9h ago•20 comments

Four Column ASCII (2017)

https://garbagecollected.org/2017/01/31/four-column-ascii/
15•tempodox•1d ago•2 comments

SvarDOS – an open-source DOS distribution

http://svardos.org/
7•d_silin•34m ago•1 comments

What every compiler writer should know about programmers (2015) [pdf]

https://www.complang.tuwien.ac.at/kps2015/proceedings/KPS_2015_submission_29.pdf
56•tosh•3d ago•29 comments

What your Bluetooth devices reveal

https://blog.dmcc.io/journal/2026-bluetooth-privacy-bluehood/
377•ssgodderidge•16h ago•144 comments

A Deep Dive into Apple's .car File Format

https://dbg.re/posts/car-file-format/
35•MrFinch•2d ago•0 comments

Dark web agent spotted bedroom wall clue to rescue girl from abuse

https://www.bbc.com/news/articles/cx2gn239exlo
332•colinprince•5h ago•169 comments

Thinking Hard Burns Almost No Calories–But Destroys Your Next Workout

https://vo2maxpro.com/blog/thinking-hard-burns-no-calories-destroys-workout
46•GoodluckH•4h ago•7 comments

Visual Introduction to PyTorch

https://0byte.io/articles/pytorch_introduction.html
201•0bytematt•3d ago•13 comments

Show HN: Free Alternative to Wispr Flow, Superwhisper, and Monologue

https://github.com/zachlatta/freeflow
157•zachlatta•9h ago•75 comments

Evaluating AGENTS.md: are they helpful for coding agents?

https://arxiv.org/abs/2602.11988
51•mustaphah•18h ago•13 comments

Show HN: Scanned 1927-1945 Daily USFS Work Diary

https://forestrydiary.com/
79•dogline•7h ago•15 comments

DBASE on the Kaypro II

https://stonetools.ghost.io/dbase-cpm/
33•TMWNN•2d ago•11 comments

Building for an audience of one: starting and finishing side projects with AI

https://codemade.net/blog/building-for-one/
41•lorisdev•6h ago•15 comments

Hear the "Amati King Cello", the Oldest Known Cello in Existence

https://www.openculture.com/2021/06/hear-the-amati-king-cello-the-oldest-known-cello-in-existence...
39•tesserato•3d ago•18 comments

Testing Postgres race conditions with synchronization barriers

https://www.lirbank.com/harnessing-postgres-race-conditions
82•lirbank•10h ago•45 comments

Ghidra by NSA

https://github.com/NationalSecurityAgency/ghidra
344•handfuloflight•3d ago•190 comments

Running NanoClaw in a Docker Shell Sandbox

https://www.docker.com/blog/run-nanoclaw-in-docker-shell-sandboxes/
92•four_fifths•7h ago•44 comments

State of Show HN: 2025

https://blog.sturdystatistics.com/posts/show_hn/
86•kianN•10h ago•15 comments

Instagram boss says 16 hours of daily use is 'problematic' not addiction

https://www.bbc.com/news/articles/cn71mgmzljlo
21•pseudolus•5h ago•8 comments

"Token anxiety", a slot machine by any other name

https://jkap.io/token-anxiety-or-a-slot-machine-by-any-other-name/
94•presbyterian•12h ago•75 comments

Show HN: Wildex – Pokémon Go for real wildlife

https://apps.apple.com/us/app/wildex-identify-plants-animals/id6748092158
71•AnujNayyar•9h ago•47 comments

SkillsBench: Benchmarking how well agent skills work across diverse tasks

https://arxiv.org/abs/2602.12670
325•mustaphah•9h ago•137 comments

Turing Labs (YC W20) Is Hiring – Founding GTM Sales Hacker

1•turinglabs•9h ago

Suicide Linux (2009)

https://qntm.org/suicide
102•icwtyjj•10h ago•58 comments

Show HN: Jemini – Gemini for the Epstein Files

https://jmail.world/jemini
327•dvrp•1d ago•60 comments

Neurons outside the brain

https://essays.debugyourpain.com/p/you-are-not-just-your-brain
79•yichab0d•11h ago•33 comments

PCB Rework and Repair Guide [pdf]

https://www.intertronics.co.uk/wp-content/uploads/2017/05/PCB-Rework-and-Repair-Guide.pdf
125•varjag•2d ago•36 comments

Poor Deming never stood a chance

https://surfingcomplexity.blog/2026/02/16/poor-deming-never-stood-a-chance/
17•todsacerdoti•4h ago•0 comments