Perhaps I should have said that V^2*C*f decreases because the average *current* goes down. Granted, a switching regulator would be even better (though I'm not sure that it holds true for small-ish drops), but you still save power with the linear regulator, which as you pointed out is power-wise equivalent to a series resistor.
(2) Next: putting voltage droppers on-chip inevitably leads to much lower efficiency-- the only way to efficiently drop voltage is to use a switching-mode regulator, which not only generates a lot of electrical noise, it requires a big hefty inductor and capacitor, neither of which can be made on-chip. This on-chip voltage-dropping scheme cannot be any more efficient that using a plain old resistor, where you end up wasting a lot of power to get to a lower voltage.
You can have a big bunch of saved power regardless of the regulation scheme. It's all about the switching losses, v^2*c*f.
And Mikael has one too, perhaps not as souped up as Lisbeth's. Thing is, the white logos show prominently (more or less centered within the frame) several times. Bonus: have you ever noticed that most Nokia phones in TV ring with the default, recognizable tune? You can tell Mikael has a Sony Ericsson. He drives a Kia mini-SUV in Sweden, and a Kia pickup in Australia. Granted, not as bad as Iron Man or Hannibal, but...
Really. Take your stuff from my screen. If I want to watch a commercial, I go to youtube and watch that commercial. Funny enough, I never had the wish to do so. So take your shitty commercials for your products out of my great movies.
Not so much FTFY as my non-brand-specific version of your rant, against placement in general. I don't bloody care if the product is inferior or wonderful. Did you see Iron Man 2? Oracle and Audi up the arse! And it's not the frequency but the in-your-face, attention-grabbing presentation of the brands (Bulgari, Ridgid, Dell, Rolling Stone mag) and *spoken* mentions ("accesing the Oracle network"!). It really gets in the way.
But yes, Apple must be the biggest offender, because now I spot a Mac in a movie and think "there we go, business as usual". Just yesterday I watched The Girl with the Dragon Tattoo, and both stars use Mac notebooks, and you can't help notice the glowing logo. Come to think of it, when the namesake breaks hers, his geek pal lends her "that old PC".
Wayne's World made fun of that crap. Might as well make commercial breaks, or put banners.
Make sure the tooltip-thingy is shown on top of ev-verything. Like, the equivalent of z-index:MAXINT . Anyway, most Joe Users I've met don't even look at the status bar when they click, so the issue is already here.
I definitely find any claims of it being especially high performance deeply fishy, and the unveiling of it reeks of a PR stunt; but nothing about the (limited) hardware that is there looks definitely fake.
The hardware is legit, even run-of-the-mill. My first thought was that the billing system I manage (small mobile telco, 6MM users) is a lot bigger than this, except perhaps in storage. Yes, it looks halfway-cabled too, and cooling is underwhelming. That's why I wouldn't be the least bit surprised if this was a politically-motivated show.
I just checked out the pictures, and it looks really, really fishy. All you can see is several angles of the same 4 cabinets with 16 1U servers each and one big-ass storage array: 12 disks/cage x 8 cages/cabinet x 8 cabinets = 768 disks; at 135 GB each TOPS with 1+1 mirroring, that'd be ~ 72 TB.
Either they have a notoriously incompetent photographer, or it's the grownup version of a hastily put together science-fair mockup.
Well, the modern credit card was conceived in the US, and a signature that is checked by an untrained clerk against some ID is all that the merchant has after the transaction. The rest is known history.
Not everybody has the same views regarding privacy. I for one don't mind being photographed in public, and where I live everybody has their 10 fingerprints taken when they get their first ID card; the common view is that knowing that you've been somewhere is no big deal.
Same thing in countries that have ID cards. Your ID number is basically your primary key, allowing for unambiguous identification and simple registration in a number of systems, long before computers became commonplace, and you might as well wear it on a t-shirt since it's basically an alias for your full name.
Well, you may drive at 60 miles/hour and not mean to drive for 60 miles. In this case, it could cut through 1/2" steel plating in 1/2 inch / (20 ft/second) = 2 milliseconds. Does that make sense?
Posted by kdawson on Tuesday February 17 2009, @06:11AM
from the got-your-back dept.
Ponca City, We love you writes
Jet packs have been around for half a century, but there's always been one problem: they run out of fuel in around 30 seconds. Now a German company has taken the standard jet pack design, run a fat yellow hose out the back, and connected it to a small unmanned boat that houses an engine, pump, and fuel tank and sends pressurized water up the hose, where it's shot out by two nozzles just behind the wearer's shoulders. Called the JetLev-Flyer, the design purportedly can reach a height of 15 meters, a speed of 72 kph, and a range of 300 kilometers based on four hours of flying time. A digital fly-by-wire system is used to control the throttle. Future designs may achieve higher altitudes, higher top speeds, and extended range, and even travel below the water's surface. The American manufacturers claim it is 'amazingly easy to learn and operate' and they're taking orders now at $130,000 each.
The word theory, when used by scientists, refers to an explanation of reality that has been thoroughly tested so that most scientists agree on it. It can be changed if new information is found. Theory is different from a working hypothesis, which is a theory that hasn't been fully tested; that is, a hypothesis is an unproven theory.
Think Conservation of Energy+Matter vs Perpetual Motion: if a correct theory (in the sense of the word explained above) says something can't happen, it won't.
Yeah, the "organized militia" rationale expired long ago, but I think that by "home invasion" ScrewMaster was refering to garden-variety criminals invading one's home rather than organized armed forces.
Human nature - a silent click on a star doesn't look as persuasive as direct communication, plus it deprives the (l)user of self-expression. Plus, when the poor fellow sees that his bug has lingered on with "Medium" priority after a year and 800+ complains from unhappy campers complaining, he feels some extra "pressure" is in order.
Silly as it may seem, by the time a user starts googling an issue (no pun intended), he's already a bit tense and exasperated. Maybe a tweak in the tracker interface would help, or maybe the devs only look at posts with attachments.
Slashdot Mirror
Actually the fiery marriage of both (or the wild orgy of five fundamental constants and three operations) rocks like out of Hell :)
Why do videogames still treat sex in such a two dimensional way? Why do they snigger at it, or treat it as a reward?
I believe that's one-dimensional - love-it <--> hate-it are just opposite directions along a single axis.
Adobe should have just stood their ground, and used THEIR bulk to break Apple, not the other way around.
Not much of a chance:
ADBE :
Revenue: US$3.8 billion
Net income: US$775 million
AAPL :
Revenue $26.7 billion
Net income: US$6 billion
So it's secure only because they're protected by their cozy cage^W walled garden ...
This would be a fine occasion to say "Relax, I'm from the Internet" in real life :)
I guess we can nominate Anonymous as well. At least *someone* can go in a Guy Fawkes mask to collect the prize :)
Perhaps I should have said that V^2*C*f decreases because the average *current* goes down. Granted, a switching regulator would be even better (though I'm not sure that it holds true for small-ish drops), but you still save power with the linear regulator, which as you pointed out is power-wise equivalent to a series resistor.
(2) Next: putting voltage droppers on-chip inevitably leads to much lower efficiency-- the only way to efficiently drop voltage is to use a switching-mode regulator, which not only generates a lot of electrical noise, it requires a big hefty inductor and capacitor, neither of which can be made on-chip. This on-chip voltage-dropping scheme cannot be any more efficient that using a plain old resistor, where you end up wasting a lot of power to get to a lower voltage.
You can have a big bunch of saved power regardless of the regulation scheme. It's all about the switching losses, v^2*c*f.
And Mikael has one too, perhaps not as souped up as Lisbeth's. Thing is, the white logos show prominently (more or less centered within the frame) several times. Bonus: have you ever noticed that most Nokia phones in TV ring with the default, recognizable tune? You can tell Mikael has a Sony Ericsson. He drives a Kia mini-SUV in Sweden, and a Kia pickup in Australia. Granted, not as bad as Iron Man or Hannibal, but...
Really. Take your stuff from my screen. If I want to watch a commercial, I go to youtube and watch that commercial. Funny enough, I never had the wish to do so. So take your shitty commercials for your products out of my great movies.
Not so much FTFY as my non-brand-specific version of your rant, against placement in general. I don't bloody care if the product is inferior or wonderful. Did you see Iron Man 2? Oracle and Audi up the arse! And it's not the frequency but the in-your-face, attention-grabbing presentation of the brands (Bulgari, Ridgid, Dell, Rolling Stone mag) and *spoken* mentions ("accesing the Oracle network"!). It really gets in the way.
But yes, Apple must be the biggest offender, because now I spot a Mac in a movie and think "there we go, business as usual". Just yesterday I watched The Girl with the Dragon Tattoo, and both stars use Mac notebooks, and you can't help notice the glowing logo. Come to think of it, when the namesake breaks hers, his geek pal lends her "that old PC".
Wayne's World made fun of that crap. Might as well make commercial breaks, or put banners.
Make sure the tooltip-thingy is shown on top of ev-verything. Like, the equivalent of z-index:MAXINT . Anyway, most Joe Users I've met don't even look at the status bar when they click, so the issue is already here.
Oh, *that*. I assumed that it was a privacy-related whine, being on /. I even forgot that you have crappy DSL coverage.
Why is this exactly in Your Rights Online? Are /.ers so afraid of entering their ZIP code anywhere?
I definitely find any claims of it being especially high performance deeply fishy, and the unveiling of it reeks of a PR stunt; but nothing about the (limited) hardware that is there looks definitely fake.
The hardware is legit, even run-of-the-mill. My first thought was that the billing system I manage (small mobile telco, 6MM users) is a lot bigger than this, except perhaps in storage. Yes, it looks halfway-cabled too, and cooling is underwhelming. That's why I wouldn't be the least bit surprised if this was a politically-motivated show.
"cluster porn" shots of the Big Serious Core Switch
I had to check out that site, just to see what kind of iron moves that much data around. An odd place to build one, BTW. Thanks!
I just checked out the pictures, and it looks really, really fishy. All you can see is several angles of the same 4 cabinets with 16 1U servers each and one big-ass storage array: 12 disks/cage x 8 cages/cabinet x 8 cabinets = 768 disks; at 135 GB each TOPS with 1+1 mirroring, that'd be ~ 72 TB.
Either they have a notoriously incompetent photographer, or it's the grownup version of a hastily put together science-fair mockup.
Well, the modern credit card was conceived in the US, and a signature that is checked by an untrained clerk against some ID is all that the merchant has after the transaction. The rest is known history.
Not everybody has the same views regarding privacy. I for one don't mind being photographed in public, and where I live everybody has their 10 fingerprints taken when they get their first ID card; the common view is that knowing that you've been somewhere is no big deal.
Same thing in countries that have ID cards. Your ID number is basically your primary key, allowing for unambiguous identification and simple registration in a number of systems, long before computers became commonplace, and you might as well wear it on a t-shirt since it's basically an alias for your full name.
http://en.wikipedia.org/wiki/Burma-Shave#Roadside_billboards
Well, you may drive at 60 miles/hour and not mean to drive for 60 miles. In this case, it could cut through 1/2" steel plating in 1/2 inch / (20 ft/second) = 2 milliseconds. Does that make sense?
Jet Pack Runs For Hours On Water
Posted by kdawson on Tuesday February 17 2009, @06:11AM
from the got-your-back dept.
Ponca City, We love you writes
Jet packs have been around for half a century, but there's always been one problem: they run out of fuel in around 30 seconds. Now a German company has taken the standard jet pack design, run a fat yellow hose out the back, and connected it to a small unmanned boat that houses an engine, pump, and fuel tank and sends pressurized water up the hose, where it's shot out by two nozzles just behind the wearer's shoulders. Called the JetLev-Flyer, the design purportedly can reach a height of 15 meters, a speed of 72 kph, and a range of 300 kilometers based on four hours of flying time. A digital fly-by-wire system is used to control the throttle. Future designs may achieve higher altitudes, higher top speeds, and extended range, and even travel below the water's surface. The American manufacturers claim it is 'amazingly easy to learn and operate' and they're taking orders now at $130,000 each.
It's 2009 again!
The word theory, when used by scientists, refers to an explanation of reality that has been thoroughly tested so that most scientists agree on it. It can be changed if new information is found. Theory is different from a working hypothesis, which is a theory that hasn't been fully tested; that is, a hypothesis is an unproven theory.
http://en.wikipedia.org/wiki/Theory
Think Conservation of Energy+Matter vs Perpetual Motion: if a correct theory (in the sense of the word explained above) says something can't happen, it won't.
In the summary, hiding in plain sight!
I see what they did there... >_>
Yeah, the "organized militia" rationale expired long ago, but I think that by "home invasion" ScrewMaster was refering to garden-variety criminals invading one's home rather than organized armed forces.
Human nature - a silent click on a star doesn't look as persuasive as direct communication, plus it deprives the (l)user of self-expression. Plus, when the poor fellow sees that his bug has lingered on with "Medium" priority after a year and 800+ complains from unhappy campers complaining, he feels some extra "pressure" is in order.
Silly as it may seem, by the time a user starts googling an issue (no pun intended), he's already a bit tense and exasperated. Maybe a tweak in the tracker interface would help, or maybe the devs only look at posts with attachments.