Hacker News: arrel

New comment by arrel in "Midjourney Medical"

arrel — Thu, 18 Jun 2026 06:10:58 +0000

This is an ambitious idea, but it’s pretty misleading to lump MRI, CT, and ultrasound into a single “body scan” category. They do different things and explicitly do not serve as replacements for each other.

Inventing new, affordable early detection devices is incredible, but being so misleading in their positioning is going to kill long-term trust in this and other new scanning tech.

New comment by arrel in "Statement on US government directive to suspend access to Fable 5 and Mythos 5"

arrel — Sat, 13 Jun 2026 05:29:25 +0000

AI 2027 remains annoyingly on schedule. Worth rereading the doc. If you think it’s too long, I listened to the audio version while I walked.

https://ai-2027.com/

New comment by arrel in "Airbus A320 – intense solar radiation may corrupt data critical for flight"

arrel — Sat, 29 Nov 2025 03:40:12 +0000

N of 1, but I’m stuck in phoenix overnight because our flight was delayed an hour and a half by airbus maintenance and we missed our connection.

New comment by arrel in "Show HN: Visualize rotating objects from the 4th, 5th, nth dimensions"

arrel — Wed, 13 Dec 2023 02:47:01 +0000

Reminds me of 4dtoys, which does a great job introducing you to 4d interactions one step at a time. It’s great! https://4dtoys.com/

New comment by arrel in "Falcon Heavy Launch [video]"

arrel — Tue, 01 Nov 2022 16:29:16 +0000

Here’s the vertical landing scene: https://youtu.be/JuhahPrF7gk

New comment by arrel in "YC’s $500k Standard Deal"

arrel — Mon, 10 Jan 2022 20:43:22 +0000

Didn’t YC already try this with Yuri Milner ten or so years ago? From what I remember they canceled it because it was creating zombie companies, where the founders felt like they couldn’t give up on a bad idea because they still had so much runway.

New comment by arrel in "Ask HN: Notion is withholding my company data, what can I do?"

arrel — Thu, 24 Jun 2021 02:05:22 +0000

You could ask for them to make the service free for you until it’s resolved. You’re still locked in, but at least you’re not paying for it.

New comment by arrel in "What Working At Stripe Has Been Like"

arrel — Thu, 08 Oct 2020 23:38:48 +0000

It seems like a lot of people are defending credit card pricing, but the idea that they’ve been charging the same % since before the internet and are still absorbing the same “cost” of fraud protection is absurd.

I would love Stripe to start advocating for lowering credit card fees, either through regulation or providing more avenues for competition.

New comment by arrel in "PG and Jessica"

arrel — Fri, 25 Sep 2020 17:44:32 +0000

Here’s a nice takedown of Plomin’s theory. I’m not a geneticist, but there seem to be a lot of holes in it. https://www.nature.com/articles/d41586-018-06784-5

New comment by arrel in "Why brilliant people lose their touch"

arrel — Sat, 22 Jun 2019 03:52:27 +0000

To give some context, two to the 100th power is 1,267,650,600,228,229,401,496,703,205,376.

Interesting description here! http://www.freemars.org/jeff/2exp100/answer.htm

New comment by arrel in "How Zapier Reached $35M ARR"

arrel — Thu, 15 Nov 2018 03:44:25 +0000

They mention that these pages were created for every combination of “connect service X to service Y”, which matches twhat people are actually looking for, so I would argue this is a great use of 25K landing pages that are adding value and being rewarded by google for doing so.

New comment by arrel in "Physical fighting in high school has dropped ~50% since 1991"

arrel — Sat, 09 Jun 2018 17:18:27 +0000

Article doesn’t give any clear reasons why. Anyone have more info as to the drivers?

Physical fighting in high school has dropped ~50% since 1991

arrel — Sat, 09 Jun 2018 17:15:40 +0000

Article URL: https://www.childtrends.org/indicators/physical-fighting-by-youth

Comments URL: https://news.ycombinator.com/item?id=17273929

Points: 1

# Comments: 2

New comment by arrel in "Ask HN: What's your favorite way of getting a web app up quickly in 2018?"

arrel — Sun, 03 Jun 2018 15:11:47 +0000

Guardian has worked great for us for JWT auth

New comment by arrel in "Supernova-propelled white dwarf found zooming through Milky Way at 5 million mph"

arrel — Fri, 25 May 2018 22:31:26 +0000

When they say 5 million mph, is that relative to the center of the Milky Way?

New comment by arrel in "Launch HN: Necto (YC W18) – ISP Starter Kit"

arrel — Tue, 15 May 2018 03:13:27 +0000

Amazing idea! I'd love it if the site could give some sense of how profitable the business could be, and over what timescale. I don't need specific numbers, just the fundamental expectations for a model: How do I calculate ongoing costs? How many customers does it take to get to breakeven? What's the marginal profit for a customer after that point?

It would be great to see a blog post about how joinnecto.com got off the ground. "Be the savior the Internet needs and start your own ISP" is a good slogan, but "Start a great business and save the Internet in the process" seems even better.

New comment by arrel in "Yarn Package Download is down"

arrel — Thu, 15 Jun 2017 20:12:55 +0000

Which makes me wonder, why do they use their own domain instead of relying on npm?

Yarn Package Download is down

arrel — Thu, 15 Jun 2017 20:12:38 +0000

Article URL: https://yarnpkg.com/

Comments URL: https://news.ycombinator.com/item?id=14563958

Points: 1

# Comments: 1

New comment by arrel in "Agens Graph – PostgreSQL Based Graph Database"

arrel — Sat, 27 May 2017 16:50:06 +0000

I would call that "interesting" instead of "pedantic"

New comment by arrel in "The Secret Agenda of a Facebook Quiz"

arrel — Sun, 22 Jan 2017 16:31:51 +0000

The difference is that the roll of a die is random, but the outcome of an election gets more deterministic as it approaches. Election prediction is figuring out what people have already decided they are going to do.