Viewing profile — in_vestor
in_vestor
HN member- Joined
- Fri, Feb 03, 2023, 8:08 PM UTC
- HN karma
- 31
- Public activity
- 23 items
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About in_vestor
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Recent public activity
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Comment #41315904
The paper shows 2024 brains are worse than 2016 brains. Why? It’s not that long, and it’s not like the decade prior to 2016 had less plastics.
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Comment #41186887
The report linked is concerned with more of the auditing side of the industry, which often claims to guarantee 100% brand safe placement. But which obviously does no such thing.
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Comment #38172498
The most plausible reason they might need to dig them up is to remediate them. Landfills require maintenance in perpetuity, which costs a considerable amount of money. The biggest …
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Comment #38172456
The most frustrating problem with plasma gasification from my perspective is that it essentially down cycles metals. That is, the metals either end up in slag or as a difficult-to-…
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Comment #37977933
Yes! This is one of the ideas I’ve spent time on and am still somewhat curious about. InEnTec is the leading company in the space (as far as I can tell) because they have good scie…
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Comment #37976960
I’ve tried to work on this problem, and it is MUCH more difficult than people realize. If you are started with a single product (say a lithium ion battery), then you might stand a …
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Comment #37668373
Thanks for the info. I reviewed it. To me, it seems the problem nobody is addressing is how to recycle valuable metals without them becoming part of the slag (ie we need something …
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Comment #37638816
While the article mentions stainless, it doesn’t really give it enough credit. Lots of words describing the failures of the Statue of Liberty, but no words describing how the Gatew…
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Comment #37638674
You basically correctly identified the main reasons plasma gasification has not been viable and why it won’t be viable until these issues are resolved. My inquiry basically amounts…
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Comment #37635320
This is what I referenced in my post as plasma gasification. It has been tried in the real world. Belgium planned to use it for landfill mining, and Britain planned to built two pl…
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Ask HN: Is anyone pursuing longshot tech for recycling / remediating landfills?
I have had a lifelong interest in cleaning up trash—-something that’s probably rooted in deep-seated aesthetics and maybe a bit of OCD. My first career was in standard finance/tech…
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Comment #36723829
Sounds like we’re on the same page. As I’ve thought about this, I can’t escape the disorienting feeling that many more filters are in the past than in the future (and ones with wor…
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Comment #36717592
What do you propose are the biggest filters ahead? And what do you think are the biggest ones in the past that we overcame?
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Comment #36437932
Would you be willing to list what categories of data are in that file?
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Comment #36283280
One point of clarification: one bit on a classic PMR drive contains hundreds of magnetic grains. It is the grains that flip, not the bit. It would take many grain flips to affect t…
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Comment #36282775
Have you truly observed this type of degradation? I do archive work and have 20+ discs from the 2010 era. Mostly the first generation of PMR drives. I have never had any data degra…
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Comment #36282323
Where do you get the idea that HDDs only retain data for 5 years? The physics I learned in college suggests they will retain magnetic domains for hundreds or even thousands of year…
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Comment #34785323
Can you explain why YouTube ads seem so scammy and low quality? Or why I can watch two hours of Peacock and see the same car insurance commercial 10 times for the company I already…
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Comment #34785300
I mean the site hasn’t collapsed like everyone thought it would 2 months ago. But besides that, I would be astounded if they have actually lost 50%+ of revenue. Keep in mind that f…
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Ask HN: What is going on in the ad-tech market?
The NYT ran a story this week about deterioration ad quality. It’s obvious to everyone here that services like google search, social media, and YouTube have had user experience vas…
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Comment #34777653
ELI5 why the gov doesn’t just seize the servers.
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