Please create an account to participate in the Slashdot moderation system

 



Forgot your password?
typodupeerror
DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Also, Slashdot's Facebook page has a chat bot now. Message it for stories and more. Check out the new SourceForge HTML5 Internet speed test! ×

Comment Leeches are already back. (Score 1) 391

When will Trump bring back leeching?

They're already back. They're used in limb reattachment surgery post-operative treatment.

When limbs are reattached the arteries work well right away but the veins not so much. So they have poor circulation and inadequate oxygenation, especially at the finger and toe tips. This can lead to further cell death, infection, and transplant failure.

Leeches applied to the extremities of the limbs can pull out enough blood and bring in fresh to keep more cells alive and bring more infection-fighting white cells to the area. And leeches do little damage other than draining blood, and provide their own surgical tools and anaesthetic. (It's in their evolutionary interest to not bother the victim into pulling them off while they're feeding, and not leaving wounds that would make him tend to avoid the location later.) So raised-sterile leeches are used, with substantial improvement in reattachment success rates.

Comment Re:Coal is a campaign punchline (Score 2) 391

Only reason why it's an issue at all is because it sounded good on the campaign trail for Trump's supporters.

More specifically, it appealed to people in one of the regional subcultures (Appalachia) who are often a swing vote. They mostly vote Republican these days, but they've never been closely tied to either of the two major parties, and Trump had to lock them down in order to shore up the fact that his support was weak in other traditionally-Republican subcultures (though he was helped by the fact that his opponent's support was weak in important traditionally-Democrat subcultures).

Comment Re:Storage? (Score 1) 391

To pick up where renewables leave off, you want natural gas (or even petroleum) turbines that can quickly be brought on and off line.

Also: If you really are concerned about carbon dioxide, they produce a lot less of it per unit of energy.

In fossil fuels most of the energy comes from burning the hydrogen to water. Burning the carbon to carbon dioxide provides some, but it's mostly useful for packaging the hydrogen. Oil and gas is essentially long-chain-of-carbon molecules with two hydrogens per carbon and two more to cap the ends of the chain (with occasional tree-structures with the same carbon/hydrogen counts, and the odd ring-shaped or multiply-bonded impurity that''s short one or two pairs of hydrogens.)

So oil is a little over two hydrogens per carbon, gas goes from about 2.5 (butane) to 4 (methane). But coal is essentially just carbon. So gas is best, liquid oil fractions are not as good (though convenient for mobile engines), and coal is worst, on the energy/CO2 production ratio.

Comment If coal is dead, killing its bueaucracy won't hurt (Score 1) 391

Coal is dead. ... trying to resurrect something ... dying [from] market forces ... is [perjorative].

This isn't about trying to resuscitate the coal industry (though if it lets it run a little longer and die more smoothly - rather than being suddenly assassinated in a fit of political vitrual-signaling - it will let the miners and their offspring migrate to other jobs, rather than to government assistance.)

It's about killing off the massive, expensive, and intrusive regulatory infrastructure that no longer serves any purpose.
If Big Coal IS being killed by market forces, the government needn't bother killing it off.

It also gives Trump the opportunity to keep a promise to some of his voting base, make political appearances claiming credit for it, and engage in some virtual-signaling of his own (conservative style).

Remember: He didn't promise to bring their jobs back (though if some of the jobs do come back, or existing ones not be ended as soon, it is a bonus). He promised to dismantle the regulations that had already killed jobs - and give a dose of job-killing medicine to the regulators.

I suspect schadenfreud will please his coal-state voters, and the prospect of voter revolts and sweeping reforms may make at least a few future regulators think twice before stomping jackbooted on the faces of those they regulate.

Comment I wonder how much is really malware? (Score 1) 127

I wonder how much of this stuff is really leftover Adobe metadata and how much is components of malware?

With 20% to 40% of the code/data space of major applications composed of "along for the ride" data that's never interpreted, there's a LOT of room for malware to park itself, its redundant copies, its resources, and its purloined data without having to actually create files of its own.

Comment Size is still important (Score 3, Interesting) 127

I used to [use a tool to de-bloat images] This was important since much of the world was still on dial-up back then.

It is still important.
  - Some of the world is STILL on dial-up. Even in the US. (especially the rural part: At my vacation/retirement ranch I had only 28kbps until AT&T upgraded the cell tower to LTE last year).
  - Some of the "high-speed internet" isn't very - like DSL at 1.5 or 6 Mbps, or WISPs serving an entire town with what amounts to a WiFi hotspot.
  - Some services charge by the bandwidth used.
  - Some services throttle back "heavy users"
  - Some services sell tiered usage, with higher prices for larger monthly data caps, and killing the link (e.g. prepaid), drastically throttling down (e.g. 4G dropping to 3G speed), and/or charging punitive "overage" rates for bandwidth beyond the pre-purchased tier.
  - As the users get farther away, latency and setup-turnaround for the components of a web page display also slow the process.

Web developers tend to work with disks and servers built into their machine or attached by a fast LAN. So it's easy to miss that the actual users' experience may be slower - even drastically so. (Thus was the web, at the dawn of image-laden web pages, nicknamed the "World Wide Wait".) And they're not charged for that bandwidth, so they also don't get their noses rubbed in the price of it when they receive their monthly bills or hit their monthly caps.

So keeping a web page's bandwidth use small is still useful:
  - Even on broadband it makes it quicker - "snappier" - which improves the user experience.
  - It can reach a wider audience, as those on slower or more latent links don't give up in disgust.
  - It saves some users substantial money.

Comment Re:Cry me a river (Score 1) 256

You don't have to be friends with someone to see the behavioral changes that come with serious depression. Though, personally, I do like to make friends at work. I still regularly see people I worked with decades ago, because we built enduring friendships. Actually, that reminds me, it's time to organize another lunch or two...

Comment Re:An Artificial Womb Successfully Grew Baby Sheep (Score 1) 179

THIS 'device' is being put forward as a means to extend the viability of really early premature birth infants so they actually have a chance to survive - - - and NOT as an ARTIFICIAL WOMB with the ability to actually grow an infant from sperm-egg inception to birth.

True, but that doesn't mean it won't eventually become an artificial womb. If they're successful at using it to keep babies who are 15 weeks premature alive and healthy through their full development, then clearly the next step is to use it for babies who are 16 weeks premature, etc., etc. As they push back the age of viability new challenges will arise and be solved, and step by step it will get pushed back all the way to starting from an embryo. The development process will take years, maybe decades, but it's all but inevitable once we take this first step.

Comment Re:Cry me a river (Score 3, Interesting) 256

I share your cynicism about the idea that the true cause was an "aggressive work culture" but the same time this was a human being. You, the person hiding behind the screen and the AC title. Don't be an a-hole. Joseph probably had depression, you have a-hole disease.

Also, although job culture could not really have been the root cause, it definitely could be a contributing factor. Someone prone to depression can easily enter a downward spiral when placed under immense stress, to a degree that they're too depressed to take the obvious actions to get out of the stressful environment. If this guy came from LinkedIn and turned down a job at Apple, he obviously had excellent prospects for getting another job, and that would have been the obvious response to excessive job stress. But depressed people don't think that clearly. A good manager and good co-workers should have recognized the situation and encouraged him to seek help.

Note that I'm assuming here that the wife is right, and that it really was a toxic work environment. It's also possible that the work environment is fine and that it was just severe clinical depression. Given the rest of what we hear about Uber, though, it wouldn't shock me to learn that the work environment contributed a great deal.

Comment Re:Bricked or not? (Score 2) 92

I don't think you can ever permanently "brick" something. In this case they probably reflashed the firmware through the JTAG port or something similar. Bricked to the consumer but not the supplier.

You can permanently brick a device, even without hardware damage. Phones, for example, should have JTAG completely disabled for security (though many OEMs fail to do this), and depending on various bits of low-level config devices can get into a completely unflashable state. If the onboard firmware that accepts flashed images does something like sign the images with a key embedded in the SoC, and the ROM refuses to run unsigned firmware, and you can't flash normally any more, then even removing the flash memory and writing to it directly may not revive the device.

Plus, software can sometimes do hardware damage, which can perma-brick.

But, yeah, in the vast majority of cases where a device is "bricked", it can actually be revived by the manufacturer or their RMA centers. Even if JTAG isn't available and the system is tightly locked down, they typically have some keys they can use to sign messages to disable portions of the security infrastructure, specifically so that they can revive (and resell) bricked devices.

I do low-level Android development and end up bricking a few devices every year. It's pretty rare that they can't be revived by the manufacturer, but it does happen.

Slashdot Top Deals

"If the code and the comments disagree, then both are probably wrong." -- Norm Schryer

Working...