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

 



Forgot your password?
typodupeerror
×

Comment Re:sell is the key word. Cogent not paying Verizon (Score 1) 289

Shortest exit path routing.

It's pretty much what everyone's expected to do and makes technical sense: you don't know the topology of the other guy's network, so if you have a packet for one of his customers, you should hand it over to that network at the closest possible point, rather than hauling it over your backbone and possibly having the other guy haul it back if your assumptions about costs are wrong..

But this means people that are "push" heavy use a lot less backbone resources than the provider that is receiving the traffic. Historically that has resulted in payments when peering connections have significantly asymmetric traffic flows.

Earth

VA Tech Experiment: Polar Vortex May Decimate D.C. Stinkbugs In 2014 112

barlevg writes "Each fall, a team led by Virginia Tech Professor of Entomology Thomas Kuhar gathers brown marmorated stink bugs from around campus and plops them into ventilated and insulated five-gallon buckets designed to simulate the habitats in which the bugs naturally wait out the winter. While previous lab tests have shown the insects capable of surviving chills of -20 C, last month's polar vortex proved too much for the little guys, with only 5% surviving the sustained cold conditions. This suggests that the DC area's population of stink bugs and other overwintering insects should be much lower come spring than in previous years."
The Internet

Is Google Making the Digital Divide Worse? 259

theodp writes "As Google Fiber forges ahead into new metro areas, Michael Brick reports on worries the fiber project will create a permanent underclass. Building the next generation of information economy infrastructure around current demand, experts say, will deny poor people the physical wiring needed to gain access while the privileged digerati advance at hyperspeed. 'The fiber service deployment means multiplicity of the digital divide, multidimensionality of the digital divide,' says Eun-A Park of the Univ. of New Haven. 'You can see it in Google's trial in Kansas City.' Speed matters, explains Google, 'because a world with universal access and 100 times faster internet could mean 100 times the learning.' Without universal access, as is the case in KC due to pricing that's out of the reach of many of the city's poor, one presumes the outcome could be 100x the learning divide. Another case of the unintended consequences of good intentions?"

Comment Re:So what's the mass then? (Score 4, Informative) 59

Actually, the mass of a hydrogen atom isn't equal to the sum mass of the proton and that of the electron. There's a 13.6 eV binding energy (good 'ol E-mc^2) that needs to be taken into account. Considering that the 511 eV rest mass of the electron and the fact that we're taking about measurements that are supposed to be accurate to less than 1 part per billion, then the binding energy is pretty significant. I suspect there are other effects that also need to be taken into account.

Comment Cable companies don't compete (Score 1) 424

"The idea is that switching away from cable TV will simple make consumers more beholden to their internet connections, and removing (i.e. acquiring) the competition will let Comcast raise rates without losing customers."

Cable companies don't compete with each other, they have their own territories. There's nothing stopping them from raising rates without hypothetically losing customers now.

The Internet

Time Warner Deal Is How Comcast Will Fight Cord Cutters 424

An anonymous reader writes "This NY Times articles makes the case that Comcast's planned acquisition of Time Warner Cable is part of a strategy to fight back against the millions of people ditching cable subscriptions. 'The acquisition rests on the assumption that as people cut back on their monthly TV plans, the cable lines coming into their homes won't lose their value.' The idea is that switching away from cable TV will simply make consumers more beholden to their internet connections, and removing (i.e. acquiring) the competition will let Comcast raise rates without losing customers. The article concludes, 'The steady price increases in broadband rates cast a pall over any cord cutter's dreams. It's possible that you might still save money now by cutting off your cable. But if you plan to watch a lot of TV over the Internet, don't expect to save money forever.'"
United Kingdom

11-Year UK Study Reports No Health Danger From Mobile Phone Transmissions 180

Mark.JUK writes "The United Kingdom's 11-years long Mobile Telecommunications and Health Research Programme (MTHR) has today published a comprehensive report that summarizes 31 research projects, which investigated the potential for biological or adverse health effects of mobile phone and wireless signals on humans (e.g. as a cause for various cancers or other disorders). The good news is that the study, which has resulted in nearly 60 papers appearing in peer-reviewed scientific journals, found 'no evidence' of a danger from mobile transmissions in the typically low frequency radio spectrum bands (e.g. 900MHz and 1800MHz etc.)."

Comment About software freedom everywhere. (Score 1) 35

Any device's software can do things you don't want. If that device requires software which runs on your computer, then that software can do anything your OS lets it do.

This means a program running with your credentials (running as you) on a networked home computer can upload copies of files you can read, launch a program to spy on you as you work, or possibly install some software that does nasty things to any user of that computer. The possibilities are too numerous to list. And this program can be something that computer users might view as necessary or innocent like a device driver program, or some other program needed to let users control the added device.

So what users who value their privacy and software freedom want has little to do with 3D printing per se because these users make the same demand regardless of the purpose of the new device. One such user avoids devices that run non-free software, or require non-free software to be installed elsewhere to work. That way one can run a 100% free software system (right now that means a free BIOS, free software OS, and nothing but free software programs installed atop that) and use the new device fully.

Comment Side by side comparison (Score 1) 2219

Trashing some mod points to post this, but here's a side-by-side comparison.

Important differences: Classic shows me the text of 7 comments. Beta shows me the text of 2.

Classic uses about 85% of the horizontal width of the screen for comments. Beta uses about 50% or less.

Those are probably the most relevant differences for me. We all come here for the comments, since the stories are by definition published elsewhere first. If a redesign makes it harder to read comments, that's a problem.

Slashdot Top Deals

Doubt isn't the opposite of faith; it is an element of faith. - Paul Tillich, German theologian and historian

Working...