274 posts • joined Tuesday 8th May 2007 02:39 GMT
Re: Note if you wanted to deployed an aircraft in the atmosphere of Mars this is the tech you need
js, the Tomahawk already does underwater capsule expulsion, igniting short booster once above the water, then unfolding wings and engine air inlet and continuing under turbofan power.
Of course you wouldn't surface to recover it; my guess is that it would sink after "landing" on the water, and thus go down to where the sub is. We are assuming that this sub has SEALs or other SF on it and presumably some sort of chamber to bring things in and out while under water.
Re: SF seems plausible
Launching anything out of the missile tubes (as opposed to the torpedo tubes or perhaps a lockout chamber) is going to be very noisy because of the gas system used to "hurl" the capsule toward the surface. In addition, I believe that system requires the sub to be quite near the surface, less than a hundred feet. Thus, big noise, near surface where enemy can hear it more easily seems implausible for real-life use. Using the torpedo tubes, a lockout chamber, or other specialized exit seems more stealthy.
The SF aspect makes a lot more sense than anti-ship warfare. The sub's acoustic sensors and ESM can already pinpoint any surface threats within dozens of miles and a tiny little slow drone would take hours to putt over to a distant region of the ocean. However, the speed of a tiny drone (and the difficulty of anyone hearing, seeing, or otherwise sensing it) is well-matched to serve as tactical recon and overwatch for a SF team on a mission heading in from the shore, or pre-mission detailed local recon.
Absent loyalty card doesn't mean your shopping proclivities are safe
Unless you also avoid using a credit or debit card to pay for your stash.
As there are only 12 VLS tubes in the sub, and not much spare space to store torpedo-tube-launched drones, one hopes there is some means to recover and refurbish the drone on the sub for re-use. As noted above, carrying drones in the VLS tubes (which can't be reloaded at sea) means leaving ashore Tomahawks that can actually attack land targets. The Tomahawk system as designed originally included versions for both land attack (some nuclear) and anti-ship. Current versions are all land-attack, with various conventional warheads.
Er, Citizens Financial seems to be located only in the Chicago area. Although there IS a university called Northwestern there, it has been at least 200 years since that was considered to be the "North West of the US". The Louisiana purchase in 1803 definitely ended that, as did the later organization of the Oregon Territory (today's Washington, Oregon, Idaho and a few extra bits).
Re: "do mathematical calculations ... to confirm transactions and increase security"
evil KOSer: bitcoin mining works by finding a hash value between 0 and the publicly-known "target" for that round. Each hash attempt processes (among other things) a link to the previous "block" in the bitcoin transaction database and new transactions to be added to the database. Hashes are "mathematical calculations". The target value is set to be positive, but low enough that it is difficult to find a desired hash value, thus increasing the security of the protocol. Once transactions have been included in a new block with hash value below the target value, they are considered to be confirmed.
Re: It's a huge waste of time to attempt BTC mining on a normal PC
The mining will be so slow that you will never win the "race" to the next successful hash. Since it's a first-past-the-post system, you get nothing, as each time just dividing the work among your army of very slow bitzombies will take more time than others use to actually complete their solution with their compact high-power miners and win the round.
This is Spinal Tap?
It seems the Aussies may have replicated the unfortunate dimensional error which saw Spinal Tap sharing the stage with a rather diminutive Stonehenge! One square meter would certainly be a very concentrated grouping for large radio telescope antennae.
Fast, short, and recent!
GPU-based Bitcoin mining is so two-years-old. The difficulty level of mining these days is such that using GPUs won't work anymore for mining, even if you're "pooling" thousands of GPUs.
Some major corrections
Sanger's work impacted modern molecular biology from the 1950s through the end of the 20th century and beyond. Unlike most modern researchers who work on quite specialized topics, Sanger's main contributions came in allowing us to read out the sequences of both proteins and DNA, two of the main groups of molecules in our cells. Essentially, DNA is the "book" of life; its sequence contains the instructions for making the various proteins which form most of the cell's form and function. To be clear, protein and DNA are different substances; neither is a component of the other.
Before the mid-20th century, scientists only knew bulk information about proteins and DNA; it's analogous to cutting a book up into its constituent letters, then measuring the percentage of A's, B's, C's and so on. Clearly, this doesn't provide much insight into a book's meaning.
Similarly, protein and DNA information content (and resulting functionality) depends on the *linear order* of a limited choice of subcomponents. For proteins, there are 20 common amino acids strung together to form mammalian proteins, some as short as 5 or 10 amino acids, some containing hundreds; for DNA, there are 4 nucleotide bases strung together, with about 3 billion making up the complete genome (that is, all the genetic information in a cell).
Sanger's first Nobel Prize was for developing methods to sequence proteins; his second was for developing a method to sequence DNA. It is this latter advance which has transformed molecular biology and been a key enabler for modern genetic engineering, genomics, etc. He gave us the ability to "read" DNA and proteins; combined with the ability to "write" new DNA and proteins developed in the '80s and '90s, we have now moved from a solely descriptive era of biology to one that includes substantial modification and de novo construction as well -- biology is becoming engineering.
Re: phages well-known (@ MondoMan)
Not sure I described any specific "investigation", but here's a link to an American Society for Microbiology review of the history and state of phage therapy as of 2001: http://aac.asm.org/content/45/3/649.full
Er, bacteriophages (viruses that attack bacteria) have been well-studied over the past century, and have become essential tools in modern molecular biology. Phage lambda in particular has been heavily engineered for all kinds of genetic engineering uses, and a number of phages had their genomes sequenced by the very early DNA sequencing techniques in the 1970s, since they had small (short) genomes, were easy to grow in quantity, and their DNA was easy to purify.
Re: top-spec PC
As you likely know, there's been a bit of a performance plateau in graphics cards over the past few years, at least on the AMD side, with new cards populating similar performance levels to the earlier cards, although at lower prices. For example, the HD5970 is still an upper-tier card almost 4 years after its release, while the over-2-year-old HD6990 matches the performance of the current R9 280X (which uses a year-old GPU).
It'd be nice to know what suffices for a 1080p screen, and what you'd need to run a 3-monitor wide setup instead.
Looking forward to your class, GD!
(That's a Watchmen smiley, son)
M & D126 FTW!
Re: top-spec PC
It would have been nice to know what level video card makes for a "top-spec PC" in this case.
Interestingly, in the US, it's the poor who are most likely to be obese. Calories are so cheaply available due to industrial-scale food production that activists must now go through ever more intricate contortions and phrasings to pump up their numbers and make it seem as though people in the US still suffer from food shortages that are not secondary to other issues such as mental illness.
Fasting has become a trendy new health activity here, whether for successive half-days or for part of a week.
Lars is right. What the story on this article doesn't report is that local climate varies widely throughout the Arctic because of all the water/land interactions (lots of islands, changing currents, floating ice packs, and so forth). Thus, data from a single location (on Baffin Island in this case) doesn't mean much for a spot 100 or 1000 miles away in the Arctic that has a different local climate. Even the authors' assumption that the climate at their dig sites on Baffin Island and at their ice core sites on Greenland 500-1000 miles away is comparable enough to "line them up" is quite questionable.
It's the equivalent of looking at the outside thermometer in Chicago in order to determine if you need to turn on your air conditioning at home in Washington, D.C.
Enjoyed your bonus articles especially
The lawn mower, the canal barge lift, and so forth. Best of luck!
Icachn can't even make his own argument make sense
I found this comment of Icahn's especially funny: " irrational undervaluation as dramatic as this is often a short term anomaly." That is, Apple's low share price won't last long, so get buybacking!
Of course, if Apple's price is about to go up on its own, why would you consider paying out Apple's cash to do so?
Sadly, the study is not even worth the paper it (isn't) printed on
The fatal flaw in this study is that the viruses sequenced were not random samples from a population, so we can't conclude anything about the population of all HSV1 viruses. Not just that, but 7/31 viruses (about 25% of those analyzed) were collected from eye tissue in Seattle, WA, while about half (15/31) were from unknown tissues in Kenya. Thus, the vast majority of samples analyzed here are either from Seattle eyes or from somewhere in Kenyans. Not quite the robust geographical coverage the abstract and news coverage imply, is it?
Here's one simple alternative explanation for the data: the Kenyan samples represent most of the HSV1 viruses in the wild in non-eye tissues, while the Seattle virus grouping indicates a previously-unsuspected alternate sequence clade of HSV1 that provides a selective advantage for virus growth in eye tissue.
Not their names
They preferred to go by "Bill and Dave". Their offices were nice but not super-fancy when I saw them as a summer student in the '80s.
"Caveman" <> "Neanderthal"
Even though the article implies that all "cavemen" were Neanderthals, this imprecise, old-fashioned term also applies to Cro-Magnons (H. sapiens) and even certain boorish folk today.
Re: the Grand Canyon doesn't have
yummy crabcakes! That's half the point of visiting Maryland, anyway.
So does this mean "Siberia" is a documentary, then?
cooling won't help with electromigration
Normally, overclocking involves boosting voltage, not just cooling. This leads to increased electromigration, which won't be affected by cooling, and is a major cause of failure under overclocking conditions. I wonder if they're manipulating that aspect at all.
Re: 'Hating America is a crime'
Trevor, you Canadians should consider having that chip on your shoulder removed. I hear the waiting times for the surgery are shorter down in the US, but it's your choice.
"Free data" not quite what it seems
News reports here in the US indicate it's only 2G data that's free for those roaming outside the US.
Mine's still fine, but I feel for you!
My Vertex 2 is still going strong, but that was the last thing I bought from them. The stench was just too strong.
Isn't BST the stuff they inject into cows to make them lactate enough to fill EU lakes with milk? Not to be confused with BSE, which is the stuff in cows that eats holes in British people once they have et it.
Re: Make the Finns pay
I thought the Finnish language elegantly boosts its bytes-per-word encoding needs by doubling so many letters even *before* a word gets encoded :)
Errr, normally "black" IS the color used for redaction. Besides, you needn't hide such an expected (but excellent) choice from us -- we won't tell.
Sprint's got SIMs?
"in the US, network operator Sprint isn't authenticating or encrypting SIM updates at all"
Sprint, like Verizon, uses a CDMA network instead of GSM so doesn't even HAVE SIM cards in its phones.
Re: Nokia brand
Microsoft gets to use the Nokia brand name for at least 10 years; Lumias should have succeeded or failed long before then.
Re: misinformation much?
And then there's the whole "silicon" somehow transformed into rubber thing.
Another great man
was George C. Marshall (with two l's); hence the eponymous Marshall Scholarships are also spelled with two l's.
IIRC, the last small populations of mammoths in these island "refugia" were not only small in numbers, but smaller or "dwarf" in physical stature. Their smaller size would have helped in reducing feed requirements, and would have helped with the warmer climate as well. Being big helps reduce percentage heat loss as long as you are roughly spherical (like a mammoth), so being smaller helps you handle warmer temps, when you *want* to lose excess internal heat.
Unfortunately, being smaller also makes you easier to kill by normal-sized human hunters...
So what was Billy Ray's beef with AmEx back in the day?
Everyone knows it's not the length that matters, it's the depth. Even given any locked-in-ice "shrinkage", this Greenland canyon is nowhere near as pleasurable as the Grand Canyon. :)
You da hack!
Even though I keep thinking of you as "Billy Ray", I see that even your "what I did on my vacation" articles are worth reading. Well done!
Back in time...
Those specs for Clovertrail+ seem to only match those of a high-end Android phone design from late 2012 (e.g. HTC One or GS4). Is Intel ever planning to intro phone-industry-leading capabilities?
Specs not bad...
At least someone caught a clue on why notebooks and cheap tablets aren't selling and upped the screen resolution to a decent level. Now, if it sells for $350, I'd sure take a look.
If Dell is making ProLiant machines now, HP is in worse trouble!
I had thought that Dell made PowerEdge machines and stayed away from HP's trademarks...
Re: Activist Investors can all go to hell along with Fiorina and Perez
Seems to me that 20th century Kodak, while generally well-run, was made possible by the obscene margins it made on emulsions/photographic paper/etc, combined with the marketing that made it a near-monopoly in the US and many other countries.
I don't see any way that manufacturing razors (digital cameras) where the blades are essentially free (reusable flash storage) could have resulted in anywhere near similar profit margins. It would have been nice to still have a much-shrunken Kodak around for the Rochester tourist industry, but there's no way it could have produced the profits that sustained so many (and Rochester!) during the 20th century.
Sad to see the final whimpers of a once-iconic company...
And to remember how I cursed at the incompetent executives every time I read an article recounting Kodak's flailing attempts over the past 20 years. I still remember trying (and failing!) to convince a good friend NOT to use one of Kodak's stock price drops in the '90s as a buying opportunity for his and his wife's retirement investment account...
At least Eastman Chemical is still around and doing fine, last I heard.
I used to work down the street from Polaroid's Cambridge, MA, headquarters and jog by its Art Deco riverfront building during the '90s. Another Kodak-like story, but one that developed (!) in a shorter time :)
Here's an unintentionally ironic news story dating from peak-Polaroid times: http://articles.chicagotribune.com/1986-03-16/business/8601200293_1_instant-cameras-instant-imaging-polaroid-stock
Terrorists rejoice! Norway now IS on Euro coins!
Apparently due to anonymous complaints from potential terrorists, Euro coins minted from 2007 onward have a full map of Europe including Norway on their obverse.
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- Review Bigger on the inside: WD’s Tardis-like Black² Dual Drive laptop disk