jpmattia

68 ms·

661.
by jpmattia 12y ago
> "of approved virtual currencies" ... which begs the question: Are there approved virtual currencies? I'd also be curious whether litecoin is on that list as well.
662.
by jpmattia 12y ago
> * But they have a high parasitic capacitance because the outside conductor has a large surface area. > So if capacitance is causing too much propagation delay, you can use twisted pair.* The capacitance is not really "parasitic
663.
by jpmattia 12y ago
> I thought that the speed of electricity, actually electrons in a cable for a consumer use was around 1cm/s. Folks who worry about the velocity of electrons when discussing the velocity of signal propagation in a coax cable have
664.
by jpmattia 12y ago
Mods should switch to the NYT headline ("Scientists Report Finding Reliable Way to Teleport Data"), which is appropriate. The current HN headline ("New Research in Faster-than-light Communication") is out to lunch. Enta
665.
by jpmattia 12y ago
> I mean, to maintain this valuation, they have to constantly sell yuan and buy dollars, but they can't do that forever, right? In that direction, yes they can do it forever because they can keep printing yuan. The dynamics of th
666.
by jpmattia 12y ago
> because it is not yet cleared by the FDA. I confess I'm dying to know how "Inflammation is elevated, recover with a green smoothie" is going to get past the FDA. What is the measure of inflammation? Are they really m
667.
by jpmattia 12y ago
> but I question whether it's really a QRNG. It really is a QRNG, but the only "quantum" thing you need to know is that light arrives in lumps. As nabla9 points out, they are really measuring the shot noise. The fundame
668.
by jpmattia 13y ago
That would make for a good followup article.
669.
by jpmattia 13y ago
The tooltip is an integral part of xkcd.
670.
by jpmattia 13y ago
My understanding is that the IE update will not happen for XP. Is this not right?
671.
by jpmattia 13y ago
It would really behoove MS to rethink their lack of XP support for a hole this big. Edit for the multiple comments: Certainly, a corporate strategy can be "We don't care that your machine/network was compromised: We warned
672.
by jpmattia 13y ago
The story looks like it's more about personal branding than leadership.
673.
by jpmattia 13y ago
Either the fees are hidden on the site or I need more coffee.
674.
by jpmattia 13y ago
> It is the combination of these two factors, which are really just one factor (cheap money/low rates), that is the root cause of the valuation environment we are in. And the answer to when/if it will end comes down to when&#x
675.
by jpmattia 13y ago
> I was trying to figure out why a week is 7 days and not some other division. The first chapter of Daniel Boorstin's The Discovers has an interesting history of calendars and time-keeping. For the question of Why a seven-day
676.
Rich Startups Go Back for Another Helping(dealbook.nytimes.com)
2 points by jpmattia 13y ago|0 comments
677.
by jpmattia 13y ago
> The article mentions an average bitrate of ~16 Mbit/s for the streamed content. HD 720p/1080i for broadcast is about that rate, so quality-improvement for going to a higher resolution will be quite dependent on coding effic
678.
by jpmattia 13y ago
Anyone check banks and financial institutions yet?
679.
by jpmattia 13y ago
> This is a sincere question, because I really do not understand how HFT "creates liquidity" when they are just buying low and selling high. It's a complicated issue, but I think the simplified version is: Reduced liqui
680.
by jpmattia 13y ago
It's worth noting: The passenger lists from Ellis Island are now online. http://www.ellisisland.org/search/index.asp
681.
by jpmattia 13y ago
> Of course it's remotely possible that our society will reject the PhD due to rapidly rising educational costs, but I don't think that's going to happen. A sizeable fraction of folks in Science/Engineering do not p
682.
by jpmattia 13y ago
> It's complicated I also have to wonder what tax returns would look like, once automated tracking occurs. Thousands of transactions per year, netting out to very little money (if and when btc/ltc values stablize) will make
683.
by jpmattia 13y ago
> I don't know all of the history, but I was under the impression that this was a relatively recent phenomenon. It is. It used to be seen as a sign of lack of confidence in your company that you would take money out, because if y
684.
by jpmattia 13y ago
Warning: Cynical poster alert. Modern economics is inextricably entwined with politics. Look at the last line of the conclusion: > Second, we showed that the model that allows for W-HtM behavior implies that to maximize the aggregate
685.
by jpmattia 13y ago
> Gold hasn't been used as a coin in years, but is still valuable, thus demonstrating that it has intrinsic value. So at what number of years does a store-of-value transition from "no intrinsic value" to "intrinsic va
686.
by jpmattia 13y ago
> easy to google Not so easy for the primary source anyway (seeking alpha has a lot of link rot). Best I can find is his letter to the 2011 annual letter, quoted here http://www.investopedia.com/stock-analysis/stree
687.
by jpmattia 13y ago
> “the idea that it [bitcoin] has intrinsic value is a joke.” I would love to hear Warren Buffet on the "intrinsic value" of gold. Edit: With the comment of thatthatis in mind, WB uses "intrinsic value" as future
688.
by jpmattia 13y ago
Because somebody will get the idea to offer of interest on bitcoins in exchange for lending their coins. And somebody will take that bet. It's not like cryptocurrencies can change human nature.
689.
by jpmattia 13y ago
> AFAIK, fractional reserve is the bete noir for many believers in bitcoin. Then they're hosed, because as soon as somebody somewhere makes a loan using bitcoin, then bitcoin becomes a fractional reserve currency. Edit: It seems th
690.
by jpmattia 13y ago
> My understanding is that few banks were actually made insolvent This was another can of worms. Mark-to-Market accounting was rescinded, partly to address this issue ( http://online.wsj.com/news/articles/SB1

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