Russian GLONASS Down For 12 Hours
From Wikipedia again:
"...it happened in 2000 once the U.S. military developed a new system that provides the ability to deny GPS (and other navigation services) to hostile forces in a specific area of crisis without affecting the rest of the world or its own military systems."
Perhaps the US is using such a system actively in the Ukraine region.
Russian GLONASS Down For 12 Hours
It is called selective availability. http://en.wikipedia.org/wiki/Selective_availability#Selective_availability My undergraduate thesis involved how to couple intertial senors using a Kalman filter to compensate for SA in GPS signals. Two years after my project concluded, the US disabled SA in GPS. I doubt that this recent "outage" was related to similar SA in GLONASS. Rather, perhaps it was indeed an encrypted transmission, or was based on a second independent synchronization signal only available to military assets used to put the scrambled transmissions back in the right order.
Mathematical Breakthrough Sets Out Rules For More Effective Teleportation
Don't you mean qubit optimistic?
Iraq Swears By Dowsing Rod Bomb Detector
Since you can pretty much hit a landmine by walking into a random patch of Iraqi desert and throwing a rock, I don't find it surprising that any land mine sensing divining rod would have at least some random chance of success. I think that past research has shown that any tool that is picking arbitrary points on a grid will find positive results for "hidden" items (explosive or not) with a frequency of occurrence that matches the normal distribution. I encourage you to read The Drunkard's Walk by Leonard Mlodinow for a better description than I can give.
Should Computer Games Adapt To the Way You Play?
I seem to remember in the promotional materials for the NES game Zanac (by FCI) that the game was supposed to get dynamically harder the better you played. When I was playing, I specifically remember this being the case, and that I enjoyed the game more as a result. I used to be able to play straight through to the 10th (out of 13) levels without dying once, and then I would die multiple times in a row. As if sensing my desparation the game would scale back the number of baddies it was throwing at me, and then I could regain my footing, collect some powerups and move on. Then the game would throw more and more at me until I got to the unholy nightmare 13th level.
Time to go dust this game off on the Wii...
Photoshop Disaster Draws DMCA Notice For Boing Boing
Well, the Microsoft Tag concept should be used for SOMETHING, so why not this?
Choosing a Personal Printer For the Long Haul
Can I get this Windows 9 you speak of? I'd love to test if my HP Laserjet 4M will work with it.
NASA Plans To De-Orbit ISS In 2016
So you mean less people percentage wise and population wise were watching the moon landing than the Jacko funeral? So sad...
First Look at Microsoft Exchange Server 2010 Beta
This is not unique to Microsoft products. Databases have been doing this for a long time. Oracle Database has options for RAW devices and disk access, where redundancy is handled in the application layer by throwing more disks at the problem. You can also stack your layers of redundancy by using Oracle automated storage management to have multiple logical disks while at the same time using an array controller to provide a level of RAID redundancy at the physical layer.
And a point about JBOD being useful for Exchange. In most Exchange environments I have worked with, replication happens at the appication layer, with huge portions of the data store being replicated amongst members of the Exchange Cluster, each with their own copy of the data. While expensive RAID/physical redundancy is a good idea, it is not critical as exact copies of the data store are available elsewhere in the cluster, and mailboxes can be failed over to those members.
And for the people that want a full RDBMS or SQL Server under the hood of Exchange - this is primarily a performance concern. Exchange access to data stores has such a unique profile that ca be modeled to show specific performance profiles that would benefit from a customized data access layer, overall Exchange performance would be hampered by the inclusion of an RDBMS that was designed to respond to a multitude of performance profiles. When you have the luxury of understanding how your application accesses data, it is best to choose (or develop) the data storage subsystem that will reap you the best performance. Here is where I believe Microsoft has the right approach.
College Police Think Using Linux Is Suspicious Behavior
I am the Command Line Interface Terrorism Master!!!
Reasonable Hardware For Home VM Experimentation?
Any reason you want to go down the (multi)path of OCFS for a 3-node Oracle RAC? Why not just use RAW shared disks? You aren't going to see the difference in a virualization environment anyhow - your disk bottleneck will be the shared access in the Virtual disk controller. OCFS is really only useful when using real HBA's for FibreChannel or iSCSI.
And don't forget to select "Enterprise Edition" when doing your Oracle install. Standard has a 2-node limit.
John Mather On the Building of the James Webb Space Telescope
Isn't the Japanese space elevator supposed to fix this problem?
Meteorite Hunters Find the West Texas Fireball
Unless the asteroid in question is small enough that it falls into the "OMFG HOW DID WE MISS THAT?!?! WE'RE DOOMED!!!" category. I can have a small asteroid knocking on our doorstep (a few hundred thousand kilometers, astronomically speaking) and still not be able to see it with the vast majority of instrumentation in our arsenal today.
ICANN Responds To gTLD Plan Comments
Obviously to document anything related to Cost of Living Adjustments? Important in today's economy, no?
Or are you aware of a different type of cola?
Ma.gnolia User Data Is Gone For Good
I think you are missing the importance of a disaster recovery plan, with backups, for any mission critical hardware, regardless of vendor. Why didn't Mag have any sort of backup plan that was tested? Clustered hardware does not equal a backup plan - thanks for trying there.
Was there in fact a schedule of backups of the operational system? This seems like a rubber band and duct tape operation to me.
F.E.A.R. 2 To Be Advertised On Cats In London
I believe that it all depends on whether or not you are using whole cats.
Cambridge, Mass. Moves To Nix Security Cameras
While we are discussing costs, let me get this straight - $264,000 spent thus far, and there are only (6) cameras installed. At an average cost of $44,000 per camera I would $hitcan this program too.
Satellites Collide In Orbit
I encourage Slashdot readers to check out the Orson Scott Card novel "Ender in Exile." He proposes a novel approach to both account for the navigation around (through) space junk, even at the particle level, during space flight. And it is based on an engine that leverages concepts in the strong force. Provides near light speed propulsion as well as junk removal - and it serves as a darned nifty planet killing weapon. Triple bottom line.
400,000 PCs Infected With Fake "Antivirus 2009"
"over 394,000 PCs report massive amounts of virus infections due to the accidental removal of Antivirus 2009"
SpaceX Successfully Tests Nine-Engine Cluster
I read, "The Waco Tribune has short report about it, with comments by lolcats."
I need either moar sleep or less internets.
Fixed that for you.
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