When you overwrite data with a known set of data, it becomes much easier to recover. It's just a problem of signal analysis. Check out the Gutmann Method for more details on how this would work.
That seems unwise. You're not really wiping the drive, just making it harder to read. Most modern wipe software overlays the drive 7 times with random data.
This is a TERRIBLE source of renewable energy. Lightning is a pulsed power source, where our demands are essentially steady. Lightning is caused either by wind or solar wind (charged particles accumulating in the atmosphere), so why not pick that up directly? We have wind turbines and solar cells. These are far more sensible than lightning as a power source.
And for reference, wind power is effectively solar, since wind is cause by uneven absorption of solar radiation, which causes convection currents.
Just a point to note: tidal power is a waste of time. The power density available from a perfect tidal pool is about 2% of an equivalent solar array. (This assumes the world's highest tides, but only 600W/m^2 available power for half of the day on average).
In terms of land utilization, we should never endorse tidal power.
Waves don't only interfere constructively at one point. They interfere constructively at many points, to varying degrees. What happens when two devices are using mirrored interference points?
Instead of targeting specific devices, what about dividing the landscape into many physical regions, using constructive interference to cover an area rather than a single device. It would be like space-division multiplexing.
My biggest concern with this tech is not transmission from towers to individual devices, but rather the return call. What are the computational requirements for a receiver using this technology?
The point, though, is just that. Take the infrastructure out of the equation. If the only vulnerability is staffing, then we're at the same level of security as we had in WWII. The US Gov't already knows how to do counter intelligence. It's just a matter of deploying counter-intel assets in the right locations, which they may not be doing.
If it got hacked, it either wasn't physically separate, or it wasn't logically separate. If your computer can't connect to their computer, no hacking will occur unless there's a physical breach of the network. On that topic, don't use wireless.
Use OpenBSD instead. That way, the only persistent security vulnerability is shark attacks.
But seriously, there's only one real solution to military scale security. Use a physically and logically separate network. You can't hack what you're not connected to.
Specifically cold fusion. Google Rossi and the e-cat. He says there will be a test installation done in October. It's hard to say for sure, but the guy has over $500,000 of his own money sunk into it and isn't interested in investors, so there's no obvious financial gain to be had from lying to us. His patent application was denied from the Italian patent system because he can't explain how it works.
The fundamental principle of the CANDU reactor design is the use of heavy water as a neutron moderator. Because water vaporizes at low temperatures, the reactor has a negative void coefficient, which means that overheating the reactor causes it to be inefficient at slowing neutrons, which reduces the reaction rate. This means that the CANDU reactor has an inherent negative feedback system and will effectively shut itself down if it overheats. This is not a control system, which can fail, this is a, quite literally, fail-safe design. If you crack the containment vessel and leak all the heavy water out, the reactor will shut down.
Earlier this year, another company came out with an, arguably, better solution. http://hardware.slashdot.org/story/11/03/21/2125210/Chicagos-Willis-Tower-To-Become-Vertical-Solar-Farm
Why should we care if users get as far as $ sudo apt-get? The point is that they're on the platform. You can't ask for both mass-market acceptance and exposed complexity. If you keep the exposed complexity, the mass market won't want it. At least Shuttleworth seems to get this. I know that everyone's down on Ubuntu lately for "changing things" but, honestly, if they've done due diligence and run these changes past some focus groups full of people who haven't used Linux before, they're probably going to get more adoption out of the changes.
If the UI is simpler, it's still *possible* to get the old UI back, and they get more adoption out of it, that's awesome. It means more market penetration for Linux.
Users who want more power will search the web and find tutorials. The tutorials will tell them about other software or the command line, and they'll either retain and explore, or they'll give up. Either way, many of these users are the ones who wouldn't have tried Linux before Ubuntu and, as Ubuntu keeps getting simpler to use, they're the ones who will recommend Ubuntu to all the people that we haven't reached.
I'm fine with Ubuntu being "dumbed down" as long as I can smarten it up from the command line.
P.S. Why would you bother to sudo from a root shell? (# is root, $ is user)
Slashdot Mirror
n/t
When you overwrite data with a known set of data, it becomes much easier to recover. It's just a problem of signal analysis. Check out the Gutmann Method for more details on how this would work.
That seems unwise. You're not really wiping the drive, just making it harder to read. Most modern wipe software overlays the drive 7 times with random data.
Or maybe go with van der graaf generators instead.
This is a TERRIBLE source of renewable energy. Lightning is a pulsed power source, where our demands are essentially steady. Lightning is caused either by wind or solar wind (charged particles accumulating in the atmosphere), so why not pick that up directly? We have wind turbines and solar cells. These are far more sensible than lightning as a power source.
And for reference, wind power is effectively solar, since wind is cause by uneven absorption of solar radiation, which causes convection currents.
Well, newer than me, anyway.
Just a point to note: tidal power is a waste of time. The power density available from a perfect tidal pool is about 2% of an equivalent solar array. (This assumes the world's highest tides, but only 600W/m^2 available power for half of the day on average).
In terms of land utilization, we should never endorse tidal power.
Where do I find the manual to fix the on-screen avatar?
Waves don't only interfere constructively at one point. They interfere constructively at many points, to varying degrees. What happens when two devices are using mirrored interference points?
Instead of targeting specific devices, what about dividing the landscape into many physical regions, using constructive interference to cover an area rather than a single device. It would be like space-division multiplexing.
My biggest concern with this tech is not transmission from towers to individual devices, but rather the return call. What are the computational requirements for a receiver using this technology?
IMO, menus are the bane of modern UI design. I don't know why someone decided these were a good idea, but they are always a pain to navigate.
The point, though, is just that. Take the infrastructure out of the equation. If the only vulnerability is staffing, then we're at the same level of security as we had in WWII. The US Gov't already knows how to do counter intelligence. It's just a matter of deploying counter-intel assets in the right locations, which they may not be doing.
If it got hacked, it either wasn't physically separate, or it wasn't logically separate. If your computer can't connect to their computer, no hacking will occur unless there's a physical breach of the network. On that topic, don't use wireless.
Use OpenBSD instead. That way, the only persistent security vulnerability is shark attacks.
But seriously, there's only one real solution to military scale security. Use a physically and logically separate network. You can't hack what you're not connected to.
If he keeps building that wall higher, eventually no one will be able to get in. Then it will be torn down by androids.
You mean G+ listens to Randall Munroe.
Specifically cold fusion. Google Rossi and the e-cat. He says there will be a test installation done in October. It's hard to say for sure, but the guy has over $500,000 of his own money sunk into it and isn't interested in investors, so there's no obvious financial gain to be had from lying to us. His patent application was denied from the Italian patent system because he can't explain how it works.
The fundamental principle of the CANDU reactor design is the use of heavy water as a neutron moderator. Because water vaporizes at low temperatures, the reactor has a negative void coefficient, which means that overheating the reactor causes it to be inefficient at slowing neutrons, which reduces the reaction rate. This means that the CANDU reactor has an inherent negative feedback system and will effectively shut itself down if it overheats. This is not a control system, which can fail, this is a, quite literally, fail-safe design. If you crack the containment vessel and leak all the heavy water out, the reactor will shut down.
Popcorn!
So Coral and anemones are okay, then?
Earlier this year, another company came out with an, arguably, better solution.
http://hardware.slashdot.org/story/11/03/21/2125210/Chicagos-Willis-Tower-To-Become-Vertical-Solar-Farm
If this is the case, wouldn't CONFIG_USE_PREFETCH be a better solution?
Windows Vista was slower than Windows XP.
You win some, you lose some.
Why should we care if users get as far as $ sudo apt-get? The point is that they're on the platform. You can't ask for both mass-market acceptance and exposed complexity. If you keep the exposed complexity, the mass market won't want it. At least Shuttleworth seems to get this. I know that everyone's down on Ubuntu lately for "changing things" but, honestly, if they've done due diligence and run these changes past some focus groups full of people who haven't used Linux before, they're probably going to get more adoption out of the changes.
If the UI is simpler, it's still *possible* to get the old UI back, and they get more adoption out of it, that's awesome. It means more market penetration for Linux.
Users who want more power will search the web and find tutorials. The tutorials will tell them about other software or the command line, and they'll either retain and explore, or they'll give up. Either way, many of these users are the ones who wouldn't have tried Linux before Ubuntu and, as Ubuntu keeps getting simpler to use, they're the ones who will recommend Ubuntu to all the people that we haven't reached.
I'm fine with Ubuntu being "dumbed down" as long as I can smarten it up from the command line.
P.S. Why would you bother to sudo from a root shell? (# is root, $ is user)
If you want it, you've got it.
$ sudo apt-get install synaptic
Done.
If your dryer gets over 130C, you've got bigger problems than melted money.
Canada’s new notes are being printed on Guardian®, a biaxial-oriented polypropylene substrate manufactured by Securency International of Australia.
refs: banknote design
Polypropylene properties