When my laptop's volume buttons died I always carried around a 1/8 to 1/4 headphone adaptor plug. When I wanted to make sure that no sound would come from the laptop's speakers I just plugged the adaptor into the headphone socket. It prevented the laptop's speakers from making sound, was easy enough to carry around in the bag, and was small enough that nobody really noticed or cared. I don't know if it'd work on every laptop but it worked on mine.
Duh. I knew that, guess I'm just stuck in an AC frame of mind. I was just thinking that it'd be cheaper to continue to use AC transmission since the grid is already set up to use it. Using DC for the long distance part would work better than AC but an inverter plant would need to be built to convert the DC back to AC for use.
Superconducting wires would elminate resistive losses but I think you'd still have inductive and capacitive effects so there's no way to get a perfect lossless line.
Re:And these, too, will fail: bad backhaul
on
The New Wireless Wars
·
· Score: 3, Informative
The bits/hertz problem refers to the fact that you can only cram so many bits of information into a cycle of a waveform. For instance, in phase shift keying the phase of a signal is shifted and represents a certain number of bytes. As an example, in bi-PSK a carrier frequency is shifted between two possible phases (0 or 180 degrees). Therefore, since you have two possible states, you can transmit a maximum of one bit per cycle of the carrier (2^1).
If you shift the carrier by four states you can send two bits of data per cycle (2^2) and so on. The problem is that it gets increasingly difficult to detect and recover the correct data and it imposes a limit on the amount of data that can be transmitted at once. Currently the maximum for PSK is around 256-psk (I think..) or 8 bits per cycle.
Some methods to increase the amount of data able to be transmitted include increasing the bandwidth (makes the signal cycle faster therefore more states per given period of time) and using efficient modulation methods.
I am not an RF engineer but from what I see on the bandplan on the FCCs site the frequencies range from 1710 to 1755 Mhz for mobile units and from 2110 to 2155 MHz for the base stations. I think most cell phones operate in bands around 900 and 1900 MHz so the range increase from switching frequencies would probably be minimal. Not to mention that the amount of bandwidth, the method of modulation/encoding, and the environment (urban/rural) is the usually limiting factor in being able to serve more consumers.
Someone mod the parent of this post up. The poster's right on the money.
Another way to prevent your car from warming up in the summer is to have something that reflects all the visible light back as visible light and not infrared, aka, a mirror. That's why people put those reflective windshield shades in their car when they leave. So the visible light is bounced back out and not absorbed.
I think they just buried one. As they were nearing eachother they directed one to dig down while the other one kept on going straight. I'm not sure though.
I don't like your second question. I use whois all the time to determine if a website (usually commercial) is legit. If the address registered turns out to be invalid I know to steer clear from the website.
Personally, I feel the internet should stay away from charging. The moment you begin to charge for one service it's only a matter of time before other services get charged for as well.
The key word in Ben Franklin's quote was temporal. If we could give up a little freedom for permanent safety I doubt he would disagree. However, giving up freedoms that, in the long run, won't make us any safer is just foolish.
I don't think that this scenario can be aptly described by Ben's quote. This is a decision that may increase people's freedom to not be harassed by spammers. Granted, there will need to be policies to keep personal information intact. Perhaps they should make all information that can place a person at physical risk (address, phone number, etc) only accessable to police and other law enforcement and provide non-risky methods of contact via email or instant messaging. They could even run as an intermediary where people write to the registrar and the registrar forwards the information to the domain holder thereby insuring that no personal information is passed around. Heck, now that I write that, I think it's a great idea.
Especially since (according to an article by Texas Inst.) 802.11a/g uses less power then 802.11b. You'd think that they'd use A/G to maxmimize battery life. I cant imagine that the cost would be all that much more.
Some of them (ok the media ones usually aren't that good) are pretty good. Google's made me laugh a bit (click the link below the search field, "want a job..") and Thinkgeeks nifty products always make me laugh too.
The first thing I thought of when I saw the title was: "Wow, those spam messages for "enlarging" certain aspects of one's anatomy actually work!".
And I fail to see why there's a demand for this. Is the keyboard really so hard to use? I'm not a graphics developer but would this really make people's jobs easier?
Why should you give them credit for something that they're supposed to do anyways? They're supposed to release a newer and better version. If they released a version that was worse then the previous one then they really don't deserve to be making money.
If that existed I'd give it about a day (max) for someone to post on here a way to hook up a v8 engine to turn/power/whatever the device and be able to compile gentoo with every package in ONLY 15 MINUTES!
I dont know about anyone else, but when I was young we all went on a "field trip" to the local jail and courthouse and had our fingerprints taken. Of course we all thought it was fun seeing where all the mean old people were kept but looking back I wouldn't be suprised if my prints wound up in a database somewhere..
"He said employees of ISPs who were aware of illegal activities being carried out at work would be targeted in future if this case was successful, but would be granted "amnesty" if they informed the music industry. "
Ok, so now you can either be sued by the music industry or you can "inform" them and possibly get fired for doing so. Great choice there.
The cool case gallery is also a good site for impressive cases. To see some sweet ones do a search and just set the rating high. My all time favorite has got to be the Hellraiser case that's modeled after the puzzle box from the Hellraiser movies
Most likely it's because this tool would be able to make precise cuts at a very narrow diameter. From working with wood I know it's hard to get a perfect line 1/16" thick in a piece of wood. Same with stone I'm assuming. There's only so small you can go with mechanical tools. It also doesn't require cad/cam experience so people like landscape companies could etch their name into paving stones or things like that.
Along a few of the pictures he says along the lines of "jpeg helped this codec. In this one it hurt this codec.." Granted he probably wanted to save bandwidth but why couldnt he post zipped up uncompressed files to download? Also, I think a single image with side by side comparisons of parts of each scene would be nice as I cant flip back and forth between all the pictures and remember what I liked and disliked about them all.
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When my laptop's volume buttons died I always carried around a 1/8 to 1/4 headphone adaptor plug. When I wanted to make sure that no sound would come from the laptop's speakers I just plugged the adaptor into the headphone socket. It prevented the laptop's speakers from making sound, was easy enough to carry around in the bag, and was small enough that nobody really noticed or cared. I don't know if it'd work on every laptop but it worked on mine.
Duh. I knew that, guess I'm just stuck in an AC frame of mind. I was just thinking that it'd be cheaper to continue to use AC transmission since the grid is already set up to use it. Using DC for the long distance part would work better than AC but an inverter plant would need to be built to convert the DC back to AC for use.
Superconducting wires would elminate resistive losses but I think you'd still have inductive and capacitive effects so there's no way to get a perfect lossless line.
The bits/hertz problem refers to the fact that you can only cram so many bits of information into a cycle of a waveform. For instance, in phase shift keying the phase of a signal is shifted and represents a certain number of bytes. As an example, in bi-PSK a carrier frequency is shifted between two possible phases (0 or 180 degrees). Therefore, since you have two possible states, you can transmit a maximum of one bit per cycle of the carrier (2^1).
If you shift the carrier by four states you can send two bits of data per cycle (2^2) and so on. The problem is that it gets increasingly difficult to detect and recover the correct data and it imposes a limit on the amount of data that can be transmitted at once. Currently the maximum for PSK is around 256-psk (I think..) or 8 bits per cycle.
Some methods to increase the amount of data able to be transmitted include increasing the bandwidth (makes the signal cycle faster therefore more states per given period of time) and using efficient modulation methods.
I dont know about the backhaul problem, sorry.
I am not an RF engineer but from what I see on the bandplan on the FCCs site the frequencies range from 1710 to 1755 Mhz for mobile units and from 2110 to 2155 MHz for the base stations. I think most cell phones operate in bands around 900 and 1900 MHz so the range increase from switching frequencies would probably be minimal. Not to mention that the amount of bandwidth, the method of modulation/encoding, and the environment (urban/rural) is the usually limiting factor in being able to serve more consumers.
Someone mod the parent of this post up. The poster's right on the money.
Another way to prevent your car from warming up in the summer is to have something that reflects all the visible light back as visible light and not infrared, aka, a mirror. That's why people put those reflective windshield shades in their car when they leave. So the visible light is bounced back out and not absorbed.
"..noted that 70 percent of the world's data are still housed in mainframe computers."
They obviously haven't seen my pron collection!
I think they just buried one. As they were nearing eachother they directed one to dig down while the other one kept on going straight. I'm not sure though.
I don't like your second question. I use whois all the time to determine if a website (usually commercial) is legit. If the address registered turns out to be invalid I know to steer clear from the website.
Personally, I feel the internet should stay away from charging. The moment you begin to charge for one service it's only a matter of time before other services get charged for as well.
The key word in Ben Franklin's quote was temporal. If we could give up a little freedom for permanent safety I doubt he would disagree. However, giving up freedoms that, in the long run, won't make us any safer is just foolish.
I don't think that this scenario can be aptly described by Ben's quote. This is a decision that may increase people's freedom to not be harassed by spammers. Granted, there will need to be policies to keep personal information intact. Perhaps they should make all information that can place a person at physical risk (address, phone number, etc) only accessable to police and other law enforcement and provide non-risky methods of contact via email or instant messaging. They could even run as an intermediary where people write to the registrar and the registrar forwards the information to the domain holder thereby insuring that no personal information is passed around. Heck, now that I write that, I think it's a great idea.
Especially since (according to an article by Texas Inst.) 802.11a/g uses less power then 802.11b. You'd think that they'd use A/G to maxmimize battery life. I cant imagine that the cost would be all that much more.
Some of them (ok the media ones usually aren't that good) are pretty good. Google's made me laugh a bit (click the link below the search field, "want a job..") and Thinkgeeks nifty products always make me laugh too.
The first thing I thought of when I saw the title was: "Wow, those spam messages for "enlarging" certain aspects of one's anatomy actually work!".
And I fail to see why there's a demand for this. Is the keyboard really so hard to use? I'm not a graphics developer but would this really make people's jobs easier?
Haha, that gave me the first good laugh I've had all day. If I had mod points I'd bump ya up some more :)
Why should you give them credit for something that they're supposed to do anyways? They're supposed to release a newer and better version. If they released a version that was worse then the previous one then they really don't deserve to be making money.
I'm suprised they didnt drop all their encryption, switch to wingdings, and say that they're more secure then ever.
If that existed I'd give it about a day (max) for someone to post on here a way to hook up a v8 engine to turn/power/whatever the device and be able to compile gentoo with every package in ONLY 15 MINUTES!
I dont know about anyone else, but when I was young we all went on a "field trip" to the local jail and courthouse and had our fingerprints taken. Of course we all thought it was fun seeing where all the mean old people were kept but looking back I wouldn't be suprised if my prints wound up in a database somewhere..
"He said employees of ISPs who were aware of illegal activities being carried out at work would be targeted in future if this case was successful, but would be granted "amnesty" if they informed the music industry. "
Ok, so now you can either be sued by the music industry or you can "inform" them and possibly get fired for doing so. Great choice there.
The cool case gallery is also a good site for impressive cases. To see some sweet ones do a search and just set the rating high. My all time favorite has got to be the Hellraiser case that's modeled after the puzzle box from the Hellraiser movies
Ah, I didn't know how they cut stone, either with rotary tools or something else. Thanks for clearing that up.
Most likely it's because this tool would be able to make precise cuts at a very narrow diameter. From working with wood I know it's hard to get a perfect line 1/16" thick in a piece of wood. Same with stone I'm assuming. There's only so small you can go with mechanical tools. It also doesn't require cad/cam experience so people like landscape companies could etch their name into paving stones or things like that.
Duh. Why didnt I think of that :P
Along a few of the pictures he says along the lines of "jpeg helped this codec. In this one it hurt this codec.." Granted he probably wanted to save bandwidth but why couldnt he post zipped up uncompressed files to download? Also, I think a single image with side by side comparisons of parts of each scene would be nice as I cant flip back and forth between all the pictures and remember what I liked and disliked about them all.
This is the first story I"ve ever read with no comments in it yet :P