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sleno

161 karma · joined January 27, 2021

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sleno··on Ask HN: Who is hiring? (October 2026)
Sundream Studio | Multiple Roles | Full-time / Contract | NYC / Remote

  Sundream Studio is an AI filmmaking app that makes it impossibly easy to create long-form AI video content.

  Try it here for free: https://sundream.studio

  We’re hiring:

  • AI Video Content Creators — make films, ads, and tutorials with Sundream, experiment with new models, and help shape our creative workflows.

  • Software Engineer — build the assistant, generation infrastructure, and editing tools that turn creative decisions into finished videos.

  • Go-to-Market — help filmmakers, creators, and businesses discover Sundream through content, community, partnerships, and growth experiments.

  • Engineering Manager — lead technical execution, grow the engineering team, and stay close to the product and code.

  • Product Designer — make a complex filmmaking workflow feel understandable, fluid, and enjoyable.


  Reach out directly at stefan@sundream.studio with the role you’re interested in, a little about yourself, and something you’ve built, designed, or created that you're proud of. Thanks :)
sleno··on Gemini Omni
It's not all bad: https://www.tiktok.com/@openchub/video/7641631412407274782
sleno··on Ask HN: What Are You Working On? (April 2026)
I'm building a debate/writing game platform: https:argyu.fun

The mission is to incentivize better thinking. For each game there's an AI judge that scores everyone's answer based on a public rubric (style, cohesion, logic, etc).

Currently uses fake money and ELO score but thought it could be a very interesting competitive game for real stakes.

Any feedback is much appreciated.

sleno··on Show HN: Trained an LLM to predict "What will Trump do?"
interesting...what were some examples of things trump did that your model got right and gpt-5 got wrong?
sleno··on Ask HN: Who is hiring? (February 2026)
Argyu.fun | Writer | NYC / Amsterdam | REMOTE

We are building a game that incentivizes good thinking and writing. We're looking for someone with an aptitude for writing daily prompt statements across a variety of categories.

Fill out the feedback form on https://argyu.fun if interested (bottom right).

sleno··on TMLR: Outcome-Based Reinforcement Learning to Predict the Future
interesting
sleno··on !Camera
Well I guess I'm the only one here with a positive review of this app. Kudos to them for trying something different.

It's functional, interesting, and well designed.

You don't need to pay the subscription to use the app so don't know what everyone's complaining about.

sleno··on Effects of cold-water immersion on health and wellbeing: A systematic review
Interesting! Thanks for sharing this, made me revisit the huberman podcast on this topic:

https://www.youtube.com/watch?v=pq6WHJzOkno

He echoes what you said, summarizing: "If your goal is hypertrophy and strength don't do cold immersion until 4 hours or more after your workout".

If we can trust the studies Huberman cites, you can get many benefits from cold plunge and also avoid that post-workout caveat if it's relevant.

sleno··on Effects of cold-water immersion on health and wellbeing: A systematic review
There's a general principal that stressing the body and mind often begets strength.

Lifting heavy weights stresses your muscles and you get stronger.

Running long distances or short distances intensely stresses your heart and makes your heart stronger.

Doing something you're scared of (public speaking for example) stresses your psyche and makes you stronger.

So sauna and cold plunge both fall into this category of controlled stress that would unsurprisingly have some benefits.

Some of the best athletes of all time use it consistently in their regimen, including LeBron James (40+ and still one of the best players in the NBA).

Even if the cold water was nothing but a sort of pain-endurance test, that's good for your psyche in a similar way doing scary things like public speaking is good for it.

All these things together, I would bet cold plunge is probably good for you. Definitely that it is more likely good for you than bad for you. What do you have to lose? If there's a cold bath around, I'll jump in.

sleno··on Show HN: Chorus, a Mac app that lets you chat with a bunch of AIs at once
very well designed! how does this work? in the sense that i didn't have to copy/paste any keys and yet this is offering paid models for free.
sleno··on Reimagining mathematics in a world of reasoning machines [video]
nothing very interesting was said
sleno··on Show HN: Pensive – AI mental health coaching backed by science
This is interesting, can definitely see the future of talk therapy going in this direction. How do you measure 'quality coaching'? Have you had any users use this for an extended period of time and report good outcomes? Is this supposed to be a replacement for traditional talk-therapy or a supplemental tool?

Nice job, looks quite polished.

sleno··on Show HN: Vekos – a Rust OS with Built-In Cryptographic Verification
What are the tradeoffs to something like this? What attack vectors are still present and what attack vectors does this prevent? Thanks, cool project!
sleno··on Ask HN: What are you working on (August 2024)?
www.papertalk.xyz

Made it to the front page of HN a few months ago with a less polished version. Still trying to build consistent traffic and engagement. Any feedback is much appreciated!

sleno··on Show HN: Zerox – Document OCR with GPT-mini
Cool design. FYI the "Try now" card looks like it didn't render right, just seeing a blank box around the button.
sleno··on Plastic particles in bottled water
The findings here seem extremely concerning. HOWEVER, wouldn't we expect to see the negative effects of these microplastics play out in an obvious way in older generations by now? Plastics became common in the 1950s.

(To be clear I would very much rather _not_ have microplastics in my body.)

sleno··on [dead]
Hey guys, posted this a few weeks ago and made it to the front page. Made a bunch of updates people requested, would love to get more feedback. Thanks!
sleno··on Some notes on influenceering
Funny how it happens like that. Maurice Ravel's most famous piece, Bolero, was written intended as a simple warmup for his orchestra.
sleno··on Show HN: HackerNews but for research papers
i added a 'source' button on the index and paper page that takes you to the link you mentioned, thanks for the feedback
sleno··on Show HN: HackerNews but for research papers
noted, thank you
sleno··on Show HN: HackerNews but for research papers
appreciated, thank you!
sleno··on Show HN: HackerNews but for research papers
awesome, thank you
sleno··on Show HN: HackerNews but for research papers
Thanks so much for this feedback
sleno··on Show HN: HackerNews but for research papers
Thanks for the kind words. Moderation...seems like a necessary component of any functional social/content network thing. Ideally I find some people who can do it well and compensate them some how. I really want to have the community be high quality like HN and not become a meme-o-plex like reddit or twitter. What are your thoughts on the subject?
sleno··on Show HN: HackerNews but for research papers
Whoa this is very interesting, thanks for sharing
sleno··on Show HN: HackerNews but for research papers
Yes! Actually part of my original idea was centered on this; wanted to combine different media sources like research papers + podcasters like Andrew Huberman. I WANT SO BAD some sort of high-quality health science site that has wide consensus/discussion on treatments, nutrition, exercise, etc. that also can live and breath like Wikipedia
sleno··on Show HN: HackerNews but for research papers
Really appreciate the feedback, thanks will sort out these issues
sleno··on Show HN: HackerNews but for research papers
fixed mobile UI, also upgraded supabase, you should be able to sign up now
sleno··on Show HN: HackerNews but for research papers
fixed mobile ui
sleno··on Show HN: HackerNews but for research papers
fixed some mobile issues
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