Josh Holder @joshgholder
satellite constellations, networked systems, GN&C, and space exploration. josh-holder.github.io SEA Joined February 2017-
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Have to agree with Josh’s blog. If you’re interested in space tech that lie within investment fund timelines: Starlink > Starship.
Have to agree with Josh’s blog. If you’re interested in space tech that lie within investment fund timelines: Starlink > Starship.
commenting a line of code and the copilot suggested comment is “TODO: this is a very hacky solution, fix later” AI safetyists were right
if you do any research at a good enough level in computer science. It gives you a significant delta over your peers. Especially computer architecture research. The confidence of knowing a system at a very low level is of a different kind. This is my own experience with it:
intro fluids should be replaced by attempting to transport a full pot of borscht across town in an Uber
intro fluids should be replaced by attempting to transport a full pot of borscht across town in an Uber
every grad student goes through these three phases
>look up niche math topic >find a clean explanation on a personal site >explore the rest of the site: dozens of intuitive math explanations, biostats pubs in Nature >hasn’t posted since 2022 - what’s he up to now? >quant many such cases
TIL Kuiper has a plan to differentiate themselves other than just vibes and hoping the market is big enough for two players. Not sure how successful it will be, but ground stations are challenging and it's certainly better than nothing
Are there examples of hardware companies founded by early/mid 20s engineers? Feels like all the big ones were founded by seasoned technical people. (I.e. core SpaceX technical team were industry veterans) If not, why the difference btwn hardware and software?
Are there examples of hardware companies founded by early/mid 20s engineers? Feels like all the big ones were founded by seasoned technical people. (I.e. core SpaceX technical team were industry veterans) If not, why the difference btwn hardware and software?
This is a unfathomably bad take… “what if every single space co. relied on a capability demonstrated one (1) time in 2007, at a cost of $267 mil?” Personally, I support “investing in more accurate reentry analysis models” over “nuking the business model of the entire industry”
This is a unfathomably bad take… “what if every single space co. relied on a capability demonstrated one (1) time in 2007, at a cost of $267 mil?” Personally, I support “investing in more accurate reentry analysis models” over “nuking the business model of the entire industry”
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@carmguti you're confusing software engineering with theoretical computing science which is very abstract and is closer to mathematics and analytic philosophy
@Andercot Man I don't know what you're talking about. There are TONS of jobs for physics graduates. You can work buy side or sell side, high frequency trading, risk management, forex, bonds, hedge funds...
I don’t think it’s a hedonic treadmill type thing. It’s more like, it just actually sucks. It’s amazing, but it doesn’t do anything useful enough to be worth anything. The value proposition has always been that the useful version of it is just around the corner.
I’m amazed at how humanity can adapt to technology. In just 2 years, ChatGPT went from blowing everyone’s mind to everyone waiting for the next update.
Something that bothers me is that extreme specialization seems to be good for humans collectively (we all benefit from division of labour), but alienating and dull for many people individually. We’re kinda natural dilettantes, but often somewhat forced into specialization…
I wonder if this will end up turning into the Linux of AI models, where a personal project ends up accruing a tremendous amount of momentum & changing the course of companies?
Day 24 of llm.c: we now do multi-GPU training, in bfloat16, with flash attention, directly in ~3000 lines of C/CUDA, and it is FAST! 🚀 We're running ~7% faster than PyTorch nightly, with no asterisks, i.e. this baseline includes all modern & standard bells-and-whistles: mixed…
pretty intoxicating Venn diagram of my interests here goodhang.org/p/the-zynsurre…
'Digital twin' 🤮 digicatapult.org.uk/about/press-re…
Since October 7th, I've joined protests, fundraising events for Gaza, and students on campuses. As a Jew and someone who has a ton of friends and family in Israel, I want to share some thoughts on claims of antisemitism in the movement and student encampments: 1/29
As far as I know, there has never been in US history a case of mass student mobilization which was later proved wrong. When students are moved by the hundreds of thousand to take action like they are doing right now on university campuses, history usually proves them right. 29/29
The forest guy knows how to speak but he chooses not to, lest he be compelled to labour. bbc.co.uk/news/science-e…
An overdue update- in December I enrolled in culinary school and have since been working as a (pastry) chef in a 2* Michelin restaurant. It’s not a “career” move as such; more of an “insane learning rabbit hole” situation that I’m finding to be deeply rewarding! 👩🏼🍳
@joshgholder @AetheroSpace @NorthwoodSpace I would've kept reading more of your stuff but a few mins worth of "dark mode" give me a headeache. It's horrible because it happens with black and white shirts, too. Super annoying. But appreciate you thinking about light mode.
@joshgholder @AetheroSpace @NorthwoodSpace Liked what you wrote. I wished your texts had the option of a different background, some of us have a hardtime reading with a dark background and white text.
This week is absolutely f*cking incredible. So much stuff happening which would have previously take decades condensed in one week. All observed by me and my idiotic haircut.
I have a unsubstantiated hunch that this is also what killed corporate research with huge positive externalities. Over the course of several decades, companies realized how little value they could actually capture from deep research and got it off their books.
Have I mentioned how much fun I've been having at work recently?
Design and analysis are great, but putting it all into actual operation in space is the really fun part
@DeltaII_7925 It’s true tho. Still not something I’d say on a YouTube video by Blue Origin, but it’s a very valid point. Luckily, Bezos recognizes they’re behind and is trying to change approaches.
@PendulumFlow @Dardedar @BSchmidtTweets You can do all the conjecture you want about potential problems but it's providing a real solution to people now in a monopolized state where prices never go down only up as the cost of energy goes down when you're stuck paying to the grid I'm not sure what the argument is
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