Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!


Forgot your password?
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. ×

Comment Re:horse has left the barn (Score 1) 328

People need to realize that the effects of global warming are at this point unstoppable.

I know horses can count to three and do simple arithmetic, but to bolt the barn at the very stroke of four hundred greatly surpasses my prior estimation of equine quantitative analysis.

"Storm's-a-brewin'," says the white horse, from behind the thoroughly bolted barn door.

"North of four hundred! Wouldn't be caught dead in that climate," says the black horse, giving the topmost bolt a final check with his teeth.

"Not with those bloody superstitious bipeds completely giving up on proactive management, just because they burst through the first screw-up milestone still in the same old business-as-usual blind gallop," agrees the chestnut.

"Typical glue-obsessed skin-pickling apes," agrees the white horse. "I'm waiting this out from in here."

"Agreed," says the black horse. "Unless. Duty. Summons."

"That creeps me out," says the white horse, moving another step away. "How will you know?"

"Stormy, moonless nights, black cats, one-eyed bats—all the assorted omens of end times and human fate," says the chestnut.

"Stop kidding around," says the black horse. "Salty white filigrees on the cement floor will spell things out all too clearly."

"Good to know we don't have to stand around counting bats eyes," says the white horse. "That would have sucked."

"Beats what the humans can manage," says the chestnut.

Here the white horse lets fly with a giant fart of approval.

"Hey, stop that, meth breath!" says the chestnut.

"Too late!" says the white horse, "better out than in."

"Wrong," says the black horse. "Better in than out," continues the black horse, after checking the middle bolt with his teeth one last time.

Comment Re:Just curious... (Score 2) 182

It is mostly due to Mathematical calculation vs. Visual observation.

The Planets part of the Solar System have been found using visual observation. A Dark planet so far away would be nearly impossible to find.

The Planets we found outside our solar system are from Stars that are having particular traits that that fit a mathematical model.

So just as how we found the mysterious 9th real planet basing the observation of the sun. Vs looking into the darkness to see if we find something.

If/When we do visually find it. I hope it isn't an upsidedown earth.

Comment Re:No you don't (Score 1) 207

All of those are bad examples, because the latter form factor is better in every way except its ability to fit hardware inside. If you could make a laptop that contained the same hardware as a desktop, for the same price, then it would obviously be better. A decade ago, laptop sales outpaced desktop sales and so the economies of scale started to tilt things in favour of the laptop. As desktops become increasingly niche, the prices will keep going up and a lot of desktops now are just laptops without the built-in screen, keyboard, or battery.

If you take a desktop and scaled everything down so that you had the same amount of storage, CPU and GPU power, and RAM in a laptop form factor, for the same price, then obviously the laptop is better for most people (people who need PCIe slots being the exceptions).

If you took a laptop and scaled everything down so that you had the same amount of storage, CPU and GPU power, and RAM in a phone form factor, then you'll have a very powerful phone, but it won't replace a laptop. There are a lot of things where you can open up the laptop and start working immediately, but the phone will need connecting to an external monitor and keyboard before it's equally useful. Even putting a picoprojector in the phone won't entirely solve that, as you often don't have a useable projection space.

Comment Re:of course the do! (Score 1) 73

That may be less of an advantage than you'd think, because you need to know by about half way through the first season whether it's worth commissioning a second. It's definitely an advantage for longer-running things (if people are still discovering it when you're in the fifth season and starting from the beginning, then it's probably worth a sixth, for example), but it might be a disadvantage at the start of the process.

Comment Re:Bug of feature? (Score 2) 95

Uh, no. All RowHammer attacks use a hardware vulnerability. That's the definition. The JavaScript attack allows you to exploit this vulnerability from a bug-free JavaScript VM, with the only requirement being that it implements TypedArray objects as contiguous (virtual) memory arrays (which is the obvious way of implementing them, and it would be difficult to implement them usefully any other way if you want to use them with WebGL). The only variation is which bits you choose to try to flip with the RowHammer attack. This is the equivalent of running a different program with a known attack, not a new attack.

Comment Re:Bug of feature? (Score 5, Informative) 95

Rowhammer has been usable from JavaScript for ages. As I said above (in the post currently at 0 overrated), one of the published ways of exploiting it is to use TypedArray objects to get a large chunk of contiguous memory, which then gives you a load of addresses in the same cache associativity set. You then hammer those addresses, which forces repeated cache evictions and eventually flips some adjacent bits. You can then use this to escape from the JavaScript sandbox. I don't know why this attack wouldn't work on mobile devices, so I don't really see what's new here.

Comment I don't understand (Score 5, Interesting) 95

One of the simplest existing known attacks involves creating an 8MB TypedArray object in JavaScript. This gives you a contiguous virtual address range, which allows you to generate 9 addresses that will be aliased to the same cache line and therefore where 9 sequential writes will trigger an eviction and a write back to RAM. What made this attack now work on mobile devices?

Comment Re:People probably realized.. (Score 1) 319

I can see a lot of uses for a smartwatch:
  • The Apple watch can unlock my computer when I'm next to it and lock it again when I move away.
  • Apple Pay on the watch looks like it might actually be more convenient than getting the card out of my wallet - on a phone it doesn't.
  • A two-factor auth device that I carry around with me on my wrist sounds useful.
  • Calendar appointment reminders without having to get something out of my pocket.
  • More convenient map / direction display to glance at while cycling.
    • There are probably a lot more. The problem is that current smartwatches are like early-90s Nokia smartphones. All of the basic ingredients are there, but the technology isn't up to the vision. A decent smartwatch would be about 5mm thick, have a battery that lasts a few days, charge via induction from a thing I can leave on my bedside table, have always-available network connection without a smartphone, and be waterproof and rugged enough to survive frequent knocks. Give it another 5-10 years and we might get there...

Comment Re:of course the do! (Score 2) 73

I wouldn't be surprised if there's also a much more direct feedback loop for Netflix-produced content (though HBO is probably similar). Think about how a normal TV show is created:
  1. Someone has an idea. They persuade a studio to fund a pilot.
  2. The studio takes a loss on the pilot and shops it around to TV channels.
  3. The TV channels evaluate it and decide the demographics that will watch it and if a large enough segment of a profitable (i.e. high income, low impulse control) of the population might like it, they commission the series.
  4. The studio produces the series.
  5. The channel sells ads.
  6. If the ad purchasers think that the ads are worthwhile (via a complex indirect feedback mechanism involving tracking sales against projections) then they'll be happy and the studio will renew the show (unless a new show that could possibly make more money in the same slot comes along).

Now compare that to Netflix.

  1. Someone has an idea. They persuade a studio to fund a pilot.
  2. Netflix decides that people might like it and funds the full series.
  3. As soon as the show is available, Netflix records how many people watch it, how many didn't finish an episode, and what the review score distribution is from the subset of people that bother to write reviews.
  4. If it's popular, Netflix funds another season.

Which of these is more likely to produce shows that lots of people want to watch?

Comment Re: Oh noes!!!!11111 (Score 1) 524

Because often culture pushes them away from doing what their hearts wants them to do.

In high school how many boys will admit that they would want to be a Nurse? vs how many may had found a rewarding career as a nurse?

Society tell us that a Nurse is a Womans jobs so when choosing a career men may not even consider it.
The same with Computer Science. It is said to be a man's job, so woman who may love such a career wouldn't even consider it an option.

Comment Re:Oh noes!!!!11111 (Score 0) 524

Lack of diversity is a problem.
When you get a bunch of people of the same background and walks of life, we create a culture where unique ideas just do not happen and they are discouraged. Causing the minorities of that field to feel even more isolated.

If the minorities are empowered just as much as the majority, you can find new ideas that haven't been though of before, just because someone with a different point of view was allowed to speak.

Comment Re: Oh noes!!!!11111 (Score 4, Insightful) 524

So if there were outside factors that biologically predisposed men and women towards different career paths or interests would you accept that those might result in something other than an even distribution of employment in certain vocations?

This doesn't make sense. The differences are either innate (biological) or the result of external factors. If they're the result of external factors (i.e. not biological) then they're likely to be amenable to change. The fact that the participation of women varies hugely between cultures (for example, in India, Korea, Israel, Iran, and Lithuania, Romania, it's a lot higher) implies strongly that external factors are far more of a reason why we have so few women than anything biological.

Slashdot Top Deals

The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth. -- Niels Bohr