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Restoring a Cheap Fume Hood


Semiconductor fabrication is complicated requiring nasty chemicals for everything from dopants to etchants. Working with such chemicals at home is dangerous and after releasing hydrochloride acid fumes into his lab, [ProjectsInFlight] decided the time was right to get one for a mere $200.

I can hear the readers down in the comments already saying, “why not just make one?” But a properly engineered fume hood provides laminar flow which absolutely ensures no leakage of fumes out of the hood. However, such proper engineering comes with an impressive price tag, so the used market was the only choice. This is less dangerous then it sounds as companies are required by both OSHA and the EPA to clean their fume hoods before removal, so no chemical residue should remain after purchase.

After inspecting a more expensive unit, [ProjectsInFlight] bought a smaller unit destined for the scrap heap. Very little work was required to get it actually working. Some LED lighting and cleaning got the machine in a workable condition. A neatly welded table was built for the hood with an acrylic painted plywood work surface. While professional fume hoods use solid epoxy work tops, these are expensive, and polyurethane should be fine. A high flow rate fan neatly tied up the fume hood restoration.

However, merely having a fume hood is not enough for some. Therefore, [ProjectsInFlight] turned to his lathe to create a lab rack. This device is a kind of ladder looking thing which provides numerous mounting points for clamps making chemistry easier and safer. Some careful and somewhat sketchy machining resulted in a professional looking lab rack for a fraction of the professional price tag. The whole project was neatly tied up with machined chilled water and vacuum inlet ports.

This is not the first time [ProjectsInFlight] has made the pages of Hackaday. Make sure to check out the fume hood’s inspiration in this gold nonparticipant fabrication hack!

youtube.com/embed/RD77dZv4Lnc?…


hackaday.com/2025/09/05/restor…



Bridgestone Confirms Cyberattack Disrupting North American Plants hackread.com/bridgestone-cyber…


CBS News has once again caved to President Trump—this time by offering up the journalistic integrity of Face the Nation.

Last month, it cancelled the Late Show With Stephen Colbert, whose host called out CBS for paying a “big fat bribe” of $16M to the administration. trib.al/bCXTQub



#Tesla retreats on its biggest promise to customers: so- called Full Self-Driving -- "In other words, people buying FSD today are not really buying the capability of unsupervised self-driving as prior buyers did." electrek.co/2025/09/05/tesla-c…


"The practice of violence, like all action, changes the world, but the most probable change is a more violent world."

Hannah Arendt




South Korea raises concerns over sweeping US immigration raid at Hyundai EV plant

semafor.com/article/09/05/2025…





President Trump is trying to send a lot of messages lately.

But the message that comes through the loudest is,
please please please don't look at the Epstein Files

Whatever Mr. Trump is ashamed of, it's more sketchy than statutory rape.




The beauty of Mastodon is that it isn’t trying to keep you hooked. Murmel takes it further by delivering only the top-shared links from your timeline, saving you from endless scrolling. Curious? Check it out! murmel.social





Trump will declare #martiallaw in the #UnitedStates to maintain control of the #Congress no matter the #2026election results.
#election2026

Martial Law, the temporary replacement of civilian government by military rule and the suspension of civilian legal processes.
#NoKings !



When exploring RPG mechanics and playstyles, two concepts frequently come to mind: immersion and authoring. These approaches are central to how we experience and create stories, yet they lead to profoundly different player experiences.

thoughtpunks.com/ttrpgs-immers…

#TTRPG #Blog






GlobalTech Corp advances toward Nasdaq, leveraging AI and digital infrastructure across enterprise, e-commerce, and telecommunications platforms. Strategic growth and innovation drive company's potential. #AI #Technology


AHOF Jeongwoo & Woongki coveting sub-host's position | Hong Seokcheon's Jewel Box Season 4 EP.13
**SUBS NOW AVAILABLE**
youtu.be/mcW6DGTIZ60?si=V6c5f0…
in reply to Jim

🤖 Tracking strings detected and removed!

🔗 Clean URL(s):
youtu.be/mcW6DGTIZ60

❌ Removed parts:
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"Most important, maintaining current warhead levels would benefit only one party."

The latest from Robert Peters of @HeritageFoundation: wapo.st/427QssE



petals still greeting sun in high heat

reshared this



No government has ever been “publicly owned and operated.”

If that were true, I’d be getting quarterly dividends instead of tax bills.

in reply to Chris Trottier

If it was selling something to someone outside, perhaps.
As it is you are probably getting capital gains (it may be unevenly distributed). services some visible, some less so, and some insurance.

For which you make a contribution to the expenses of the whole.

Perhaps the public are not as good at running what they own as they might be, nor at the oversight of the operation?

in reply to A man is retired

@Photo55 Governments sell things to entities outside the nation-state all the time. Often quite successfully too. And in fact, governments have a competitive advantage over other entities because they can go to war and put people in prison.


The moms of OSHWA keep asking us what we do for work. So, here's to our collective parental units!





The ruined #BrokenPost applauds shifting from Defense to War Department because they don't like euphemisms--while finding every possible euphemism for fascism.
In defense of the War Department washingtonpost.com/opinions/20…

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Досматриваю второй сезон дандадан. Какая же хренотень! Очень нравится 😀


I came across refrakt yesterday, which seemed like a decent, minimalist, photo-sharing site but, sadly, I couldn't upload anything to it from my Android tablet. 🙃

refrakt.app/

#Photography