phreeza

53 ms·

631.
Long Live the Sun(claireberlinski.substack.com)
2 points by phreeza 5y ago|0 comments
632.
by phreeza 5y ago
> Kids today have wanton access to internet and technology but aren't any smarter or better at making decisions. Citation needed, I guess? Teen pregnancies are way down, for example.
633.
by phreeza 5y ago
Significant figures are not a universal standard, they are an imperfect way to in-band information about confidence, by sacrificing precision.
634.
by phreeza 6y ago
At some price point, you could probably substitute the chips with FPGAs? Though I'm not sure if that would work for cars without requiring some sort of recertification.
635.
by phreeza 6y ago
Why is it seemingly impossible to buy DSLR grade image sensors for diy projects at a reasonable price?
636.
by phreeza 6y ago
Reading through this book a bit I found a mention of penrose block replicators, and through that found this video from the early 60s. Not really a replicator in an real sense, but still a neat demonstration: https://youtu.be&#x2F
637.
by phreeza 6y ago
I would argue that a self-replicating machine could be a slight modification of this idea. Print some blocks and put them in a container and shake them. Then come up with some structure, made up of these blocks, that will cause a copy of it
638.
by phreeza 6y ago
I guess it depends on your definition. I can think of many examples that are self replicating in some sense, but probably not in the same way as a bacterium. A 19th century machine shop is probably capable of self-replicating, with metal as
639.
by phreeza 6y ago
What I don't get in this entire conversation is how is 5G different from any other transport layer? Can't secure communication be achieved by encrypting the communications at a higher level?
640.
by phreeza 6y ago
Strictly speaking this is only true if you start with a perfectly circular orbit, right?
641.
by phreeza 6y ago
The key insight there doesn't have that much to do with orbital mechanics, it's more that in a collision, small fragments can come out with vastly more momentum than they went in with, which in orbits translates to a higher apogee
642.
by phreeza 6y ago
I assume you are proposing to launch these packets from some other sattelite? Then by conservation of momentum, you will be boosting your own orbit by the same amount you are diminishing the target, right? Not sure this would be a very sust
643.
by phreeza 6y ago
I think the much more likely method would be a laser that heats one side of an object, causing a net propulsive effect leading to eventual deorbit. https://en.wikipedia.org/wiki/Laser_broom
644.
by phreeza 6y ago
Wait, how does launching stuff to low orbits reduce space junk? Edit: I think I now understand your comment. I mean sure it maybe adds less space junk than launching things into higher orbits, but it doesn't really reduce it, right?
645.
by phreeza 6y ago
The exact same thing (monthly fee, 12 or 24 month contract) is very common in Germany for mobile phone and home internet plans.
646.
by phreeza 6y ago
Is this a thing?
647.
by phreeza 6y ago
Please take a look at the study before making such an offhand comment. It clearly shows that these effects are more likely for people who actually got COVID than for the control cohort, who experienced the same lockdown measures, by a facto
648.
by phreeza 6y ago
"UK press coverage of the EU Referendum" https://reutersinstitute.politics.ox.ac.uk/our-research/uk-p... The report is based on analysis of two days of press coverage each week for London editions of nine nat
649.
Google AI Research Manager Quits After Two Ousted from Group(news.yahoo.com)
12 points by phreeza 6y ago|0 comments
650.
by phreeza 6y ago
This was already shown for MLPs some years ago, and it is not really that surprising that it applies to many other architectures. Note that while learning can take place locally, it does still require an upward and downward stream of inform
651.
by phreeza 6y ago
The saddest phase of the pandemic for me was watch the descent of the debate from initial phase in which people seemed genuinely interested in understanding what was going on to sad polarized tribal squabbling.
652.
by phreeza 6y ago
"About" is doing a lot of work, too, no?
653.
by phreeza 6y ago
Neither of these mechanisms are likely to be completely price inelastic, so in a perfect world we would pursue both of them to a degree relative to their price.
654.
by phreeza 6y ago
In my experience, the obsession with correct significant figures is an american high school thing. Why should you deliberately have to choose a number that is not your best guess? Ideally you should include confidence bounds, but if you don
655.
by phreeza 6y ago
I'm not saying it will come to it, but the worst case for global warming is not some jungle planet, it is earth turning into a planet like venus, which would probably sterilize earth if it happens faster than evolutionary timescales th
656.
A CO2 capture solvent with exceptionally low total costs of capture(pubs.rsc.org)
254 points by phreeza 6y ago|261 comments
657.
by phreeza 6y ago
Curious what actually defines a tilde site now? This seems to have stylesheets etc, not quite as minimalist as what I remembered the other pages to be like.
658.
by phreeza 6y ago
Yes, thanks!
659.
by phreeza 6y ago
I remember seeing a similar technically restricted community on HN a few months ago but can't quite remember the name. I think something with club in the name? Can anyone help me untie the knot in my brain?
660.
by phreeza 6y ago
I don't know... Are the confines of nature, i.e. physical law, and the confines of programming that different in the end? The search space may be larger and thus it makes sense to use a different optimization strategy, but in the end b

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