Hacker News: ivankirigin

New comment by ivankirigin in "Learn Your Way: Reimagining Textbooks with Generative AI"

ivankirigin — Thu, 18 Sep 2025 23:21:35 +0000

Shocking they didn't have a printed book for a control, in addition to a digital reader.

New comment by ivankirigin in "Learn Your Way: Reimagining Textbooks with Generative AI"

ivankirigin — Thu, 18 Sep 2025 23:21:18 +0000

Shocking they didn't have a printed book control.

New comment by ivankirigin in "I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA"

ivankirigin — Thu, 17 Oct 2024 22:23:16 +0000

Why aren’t there tech startup immigration sanctuary cities? We have local authorities not working with the feds for referring criminals to ICE. Could you have the same for software engineers?

New comment by ivankirigin in "I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA"

ivankirigin — Thu, 17 Oct 2024 22:21:19 +0000

Are there promising AI startups that can help with immigration?

New comment by ivankirigin in "DOJ sues realpage for algorithmic pricing scheme that harms renters"

ivankirigin — Tue, 27 Aug 2024 05:45:42 +0000

We’ll try anything to lower prices except building more

New comment by ivankirigin in "RoboCat – A Self-Improving Robotic Agent"

ivankirigin — Tue, 20 Jun 2023 22:41:05 +0000

"We demonstrate shredded furniture RoboCat had never previously seen"

New comment by ivankirigin in "We should not let the Earth overheat"

ivankirigin — Wed, 07 Jun 2023 06:02:25 +0000

$20/ton CO2 for 1T tons is $20T. Paid over 40 years, this is less than the interest we in the US pay on federal debt.

New comment by ivankirigin in "How to start a rocket engine"

ivankirigin — Fri, 10 Mar 2023 15:23:48 +0000

This makes me want to go back to school and major in aero/astro engineering.

The Lonely Middle of the Hard Tech Spectrum

ivankirigin — Thu, 03 Nov 2022 19:28:49 +0000

Article URL: https://www.tango.vc/p/the-lonely-middle-of-the-hard-tech

Comments URL: https://news.ycombinator.com/item?id=33456158

Points: 2

# Comments: 0

New comment by ivankirigin in "Ask HN: What game do you wish existed?"

ivankirigin — Wed, 25 May 2022 18:27:45 +0000

I want a perfect simulation of our world - that then gets a zombie infection.

I want my street, my house, and general geography to matter in the game. Where is the hardware store? Army bases? Water?

The game starts with a limited infection, making police response to your murdering an infected neighbor problematic. The simulation models how agents would respond.

You win by killing all the zombies, whether that's year 1 or 10. If needed, that's 7 billion.

The exhaust could be a good city simulator, zombies off, which you sell to local governments.

New comment by ivankirigin in "Ask HN: How to track flying objects?"

ivankirigin — Mon, 21 Feb 2022 20:43:54 +0000

If the drones localize, you can get a constantly updating position over radio. Even with other tools, this will help disambiguate.

There are a few different parts here from robotics that can help.

  - Tracking allows you find a how a patch of pixels move. Look up "klt" and "SIFT features". Older
  - Recognition allows you to find a given object. Look up "yolo". Newer
  - Motion modeling allows you to predict where something should be, and can include the transponder ego data. Look up "kalman filter" 
  - All three of the above should be available in existing libraries
  - If possible, engineer the environment, like putting easy to spot LED patterns on the drones. This is always the easiest

New comment by ivankirigin in "Why U.S. Infrastructure Costs So Much"

ivankirigin — Wed, 08 Dec 2021 22:39:30 +0000

Regulations slow the pace of building.

Good article here: https://medium.com/cgo-benchmark/why-are-we-so-slow-today-c3...

Good recent discussion here, including other incentives: https://www.youtube.com/watch?v=bzMTlBddJ-E

New comment by ivankirigin in "Why U.S. Infrastructure Costs So Much"

ivankirigin — Wed, 08 Dec 2021 21:17:40 +0000

NEPA

New comment by ivankirigin in "When “Foundation” Gets the Blockbuster Treatment, Asimov’s Vision Gets Lost"

ivankirigin — Tue, 02 Nov 2021 14:44:52 +0000

I don't understand why more "unfilmable" books don't get launched as an animated series. Maybe execs think adults wouldn't watch it?

New comment by ivankirigin in "We need to take CO2 out of the sky"

ivankirigin — Wed, 06 Oct 2021 04:35:07 +0000

Biomass that falls into the deep ocean doesn't quickly cycle back into the carbon cycle, so some companies are look at the opposite, with the deep ocean as a sink. https://www.phykos.co/

But your idea is somewhat correct, and it has to do with desalinization tailings. There are companies like Heimdal which can take the high mineral runoff from desalinization and use it to make concrete. https://www.ycombinator.com/companies/heimdal

New comment by ivankirigin in "We need to take CO2 out of the sky"

ivankirigin — Wed, 06 Oct 2021 02:13:13 +0000

I like that you're using spatial analogies because it helps drive the point home. I visualized 50B tCO2 here: https://twitter.com/ikirigin/status/1425879839886626826

While it seems enormous, it's a very small fraction of the world.

New comment by ivankirigin in "We need to take CO2 out of the sky"

ivankirigin — Wed, 06 Oct 2021 01:34:23 +0000

Soil contains 4X the amount of carbon than in the atmosphere, so while scale is enormous, it isn't impossible.

The post goes through numerous sequestration techniques that could reach the scale to sequester 1000B tCO2e

New comment by ivankirigin in "Big oil coined ‘carbon footprints’ to blame us for their greed"

ivankirigin — Thu, 26 Aug 2021 17:20:09 +0000

Blaming supply or demand when you have an unpriced negative externality doesn't make sense. Tax carbon, and use the funds to pay for decarbonization. We'll get better and cheaper alternatives and carbon sinks.

Many quote $100 to $1000/tCO2e. But if we get down to $10, getting to net zero and negative won't break the bank.

Stoke Space Is Building 100% Reusable Rockets Designed to Fly Daily

ivankirigin — Wed, 31 Mar 2021 17:04:56 +0000

Article URL: https://www.tango.vc/p/stoke

Comments URL: https://news.ycombinator.com/item?id=26649867

Points: 1

# Comments: 0

Timing Your Startup [video]

ivankirigin — Thu, 25 Mar 2021 17:08:23 +0000

Article URL: https://www.youtube.com/watch?v=9xacoY8NGfo

Comments URL: https://news.ycombinator.com/item?id=26582744

Points: 2

# Comments: 0