Only some of it. And anyway, NO long distance power lines run at 230 volts; they use much higher voltages to avoid resistive losses. Local transformers drop the voltage back to what is needed locally. For undersea cables, the power is converted to DC then converted back to AC on the other side, so the French and British grids are isolated from each other and do not need to be in phase either.
You were lucky then. I had one of the early Vertex 3's, and it took a whole series of firmware updates before OCZ got it right. They did in the end (it's still working now), but I'd never buy another OCZ. Also, the Vertex 3 advertised read and write speeds were far above what you get in real use: they only apply in tests using long strings of 0 or 1s. Compression creates great test results which in turn sells product. But when the customer finds how much slower the device is in use, they don't become repeat customers.
The new Nokia Lumia's show that Nokia can still make great hardware - e.g 41 megapixel camera. I'd buy one like a shot if it ran Android, to replace my ageing Nokia E71.
I will not buy a Windows phone though. I have to use Windows on the desktop, but I want a more open architecture on my phone, which LOTS of companies support. So I'll probably buy a Samsung or HTC, or maybe the Nexus 5 which I see is now out.
Raman amplification is quite widely used in existing fibre networks, both to increase the distance between repeaters, and to increase the bandwidth of existing fibre runs, e.g. to allow 40 Gb/sec over fibre originally laid for 10 or 2.4 Gb/sec use. By increasing the signal strength Raman amplification can reduce the effect of the dispersion which limits the minimum pulse length detectable, and hence allow higher data rates over a given fibre.
It will if it makes sense commercially. At the old STL (later Nortel) lab in Harlow England, where data transmission over fibre was invented back in 1966, we could show rates of up to 64 Tb were possible using DWM over a single fibre at least 12 years ago. But people weren't ready to pay for such data rates back then, and the telecoms market was crashing after the excesses of the late 1990's, so development was stopped.
it is yet another chunk taken out of the ass of long haul optical fiber cable mfgs.
Lucent-Alcatel is itself a long haul optical fibre manufacturer, Alcatel having bought the Cable Division of STC when Northern Telecom (aka Nortel) bought the rest of STC in 1991. See http://en.wikipedia.org/wiki/Standard_Telephones_and_Cables
I remember when Italy ran out of small change in the 1970s (I think the coins were worth more than their value as scrap metal, with the obvious result). Shops would give you sweets in place of small change. Seemed to work quite well.
As you say, we have 1G and 10G in use today, so we'll soon need more. But 100G is ALREADY a standard. I'm sure we'll need and get 1T eventually, but 100G should be enough for almost everyone for a few years.
BTW speeds of many Tbit/sec were demonstrated in the lab a good 10 years ago using optical dense wavelength multiplexing, but full product development was too expensive for what the market needed then. Also, it was aimed at large telcos, not as the cheap plug in connection that Ethernet implies, But technology moves on, it will happen.
The important thing is that this is the DRAFT Communications Data Bill. It would have been a normal bill where amendments are possible but usually opposed by the Government (who have the majority). But Nick Clegg and other Lib Dems insisted it be published as a draft, so people can comment on it and so changes can be made. Julian Huppert MP is already working to change it, and has got himself on the committee of MPs who will be considering it - see http://www.libdemvoice.org/julian-huppert-mp-writes-communications-data-we-have-to-get-this-right-28964.html
We MUST have a new bill, if only to replace RIPA (Regulation of Investigatory Powers Act) passed by the previous Government, which introduced state snooping on a grand scale, (did you know that in the past year alone, there were 540,000 data requests under RIPA?). But the proposed bill has many flaws too; jsut to start with, Part 1 gives far too much arbitrary power to the Secretary of State.
So it is up to those who oppose the bill to make their views known and put reasoned arguments and views forward to the Committee considering it. This government has shown it/will/ change its mind if enough people object to things it is doing, and in this case it's easy for them to do so as it's a draft, with changes expected. See also http://carons-musings.blogspot.co.uk/2012/06/169-days-to-help-julian-huppert-protect.html
Google generally hides duplicate pages on a site. However if you use Advanced Search it finds "About 942,000 results", which is near enough a million, especially as some sites will have started clearing up infected pages by now.
Yes - read the Scholarship section on the project web page. For example, http://www.archimedespalimpsest.org/scholarship_ne tz2.html which shows that Archimedes knew about Infinity and used it in a proof. The Greeks were fascinated by large numbers - questions like "can you count the number of grains of sand on all the beaches of the world?" - but it was thought they did not have the concept of actual infinity. The palimpsest shows that this was known some 2000 years ago, then forgotten for centuries.
Unless you can EXACTLY duplicate the signal - which you can't - and transmit its inverse from EXACTLY the same point - which you can't - noise cancelling over an area will not work. It works in headphones because the area covered is much smaller than the sound wavelength - that is not so here.
Imagine throwing two stones into a quiet pond. The two expanding waves will intersect and cancel at some points - but half a wavelength further on they will be in phase and so double. So it will be with the sound - varying from silent to twice as loud depending where you are. As the wavelength will be small, moving your head will be very uncomfortable! You can try the effect if you play the clean MP3 sample you'll find at http://www.star94.com/shows/index.cfm?show=cr&cid= 63 in a small room, where there will be lots of echoes. I'm 60 but I can hear it if I turn the volume up, a high pitched warble that changes in a very disconcerting way when I move my head. (Not everyone over 25 is deaf!)
Meanwhile - IGNORE the idiots here suggesting various illegal measures. Those WILL get the police involved, but not in the way you want. However, if you could get the authorities to recognise the problem (get the neighbours to all complain to your local councillor as well as the police), you may be able to persuade them to take out an ASBO against the offender preventing him from continuing the nuisance. (For our US friends, an ASBO is an "Anti-Social Behaviour Order", and ignoring it becomes a criminal offence).
Me too! Samsung screen and printer here - the CLP-510 colour laser that does Duplex printing costs a fraction of any other duplex printer. And yes, it does have Linux drivers too.
"America - where guns are legal but playing music is a crime".
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Only some of it. And anyway, NO long distance power lines run at 230 volts; they use much higher voltages to avoid resistive losses. Local transformers drop the voltage back to what is needed locally. For undersea cables, the power is converted to DC then converted back to AC on the other side, so the French and British grids are isolated from each other and do not need to be in phase either.
You were lucky then. I had one of the early Vertex 3's, and it took a whole series of firmware updates before OCZ got it right. They did in the end (it's still working now), but I'd never buy another OCZ. Also, the Vertex 3 advertised read and write speeds were far above what you get in real use: they only apply in tests using long strings of 0 or 1s. Compression creates great test results which in turn sells product. But when the customer finds how much slower the device is in use, they don't become repeat customers.
The new Nokia Lumia's show that Nokia can still make great hardware - e.g 41 megapixel camera. I'd buy one like a shot if it ran Android, to replace my ageing Nokia E71.
I will not buy a Windows phone though. I have to use Windows on the desktop, but I want a more open architecture on my phone, which LOTS of companies support. So I'll probably buy a Samsung or HTC, or maybe the Nexus 5 which I see is now out.
(Unless you can amplify light on a single strand ...)
Which you can - look up Raman Amplifier https://en.wikipedia.org/wiki/Optical_amplifier#Raman_amplifier
Raman amplification is quite widely used in existing fibre networks, both to increase the distance between repeaters, and to increase the bandwidth of existing fibre runs, e.g. to allow 40 Gb/sec over fibre originally laid for 10 or 2.4 Gb/sec use. By increasing the signal strength Raman amplification can reduce the effect of the dispersion which limits the minimum pulse length detectable, and hence allow higher data rates over a given fibre.
It will never leave the lab.
It will if it makes sense commercially. At the old STL (later Nortel) lab in Harlow England, where data transmission over fibre was invented back in 1966, we could show rates of up to 64 Tb were possible using DWM over a single fibre at least 12 years ago. But people weren't ready to pay for such data rates back then, and the telecoms market was crashing after the excesses of the late 1990's, so development was stopped.
it is yet another chunk taken out of the ass of long haul optical fiber cable mfgs.
Lucent-Alcatel is itself a long haul optical fibre manufacturer, Alcatel having bought the Cable Division of STC when Northern Telecom (aka Nortel) bought the rest of STC in 1991. See http://en.wikipedia.org/wiki/Standard_Telephones_and_Cables
I remember when Italy ran out of small change in the 1970s (I think the coins were worth more than their value as scrap metal, with the obvious result). Shops would give you sweets in place of small change. Seemed to work quite well.
As you say, we have 1G and 10G in use today, so we'll soon need more. But 100G is ALREADY a standard. I'm sure we'll need and get 1T eventually, but 100G should be enough for almost everyone for a few years.
BTW speeds of many Tbit/sec were demonstrated in the lab a good 10 years ago using optical dense wavelength multiplexing, but full product development was too expensive for what the market needed then. Also, it was aimed at large telcos, not as the cheap plug in connection that Ethernet implies, But technology moves on, it will happen.
The important thing is that this is the DRAFT Communications Data Bill. It would have been a normal bill where amendments are possible but usually opposed by the Government (who have the majority). But Nick Clegg and other Lib Dems insisted it be published as a draft, so people can comment on it and so changes can be made. Julian Huppert MP is already working to change it, and has got himself on the committee of MPs who will be considering it - see http://www.libdemvoice.org/julian-huppert-mp-writes-communications-data-we-have-to-get-this-right-28964.html
We MUST have a new bill, if only to replace RIPA (Regulation of Investigatory Powers Act) passed by the previous Government, which introduced state snooping on a grand scale, (did you know that in the past year alone, there were 540,000 data requests under RIPA?). But the proposed bill has many flaws too; jsut to start with, Part 1 gives far too much arbitrary power to the Secretary of State.
So it is up to those who oppose the bill to make their views known and put reasoned arguments and views forward to the Committee considering it. This government has shown it /will/ change its mind if enough people object to things it is doing, and in this case it's easy for them to do so as it's a draft, with changes expected. See also http://carons-musings.blogspot.co.uk/2012/06/169-days-to-help-julian-huppert-protect.html
Google generally hides duplicate pages on a site. However if you use Advanced Search it finds "About 942,000 results", which is near enough a million, especially as some sites will have started clearing up infected pages by now.
Yes - read the Scholarship section on the project web page. For example, http://www.archimedespalimpsest.org/scholarship_ne tz2.html which shows that Archimedes knew about Infinity and used it in a proof. The Greeks were fascinated by large numbers - questions like "can you count the number of grains of sand on all the beaches of the world?" - but it was thought they did not have the concept of actual infinity. The palimpsest shows that this was known some 2000 years ago, then forgotten for centuries.
Unless you can EXACTLY duplicate the signal - which you can't - and transmit its inverse from EXACTLY the same point - which you can't - noise cancelling over an area will not work. It works in headphones because the area covered is much smaller than the sound wavelength - that is not so here.
= 63 in a small room, where there will be lots of echoes. I'm 60 but I can hear it if I turn the volume up, a high pitched warble that changes in a very disconcerting way when I move my head. (Not everyone over 25 is deaf!)
Imagine throwing two stones into a quiet pond. The two expanding waves will intersect and cancel at some points - but half a wavelength further on they will be in phase and so double. So it will be with the sound - varying from silent to twice as loud depending where you are. As the wavelength will be small, moving your head will be very uncomfortable! You can try the effect if you play the clean MP3 sample you'll find at http://www.star94.com/shows/index.cfm?show=cr&cid
Meanwhile - IGNORE the idiots here suggesting various illegal measures. Those WILL get the police involved, but not in the way you want. However, if you could get the authorities to recognise the problem (get the neighbours to all complain to your local councillor as well as the police), you may be able to persuade them to take out an ASBO against the offender preventing him from continuing the nuisance. (For our US friends, an ASBO is an "Anti-Social Behaviour Order", and ignoring it becomes a criminal offence).
Me too!
Samsung screen and printer here - the CLP-510 colour laser that does Duplex printing costs a fraction of any other duplex printer. And yes, it does have Linux drivers too.
"America - where guns are legal but playing music is a crime".