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 Posted: Sat, 24th Jan 2015 09:30 Post subject: Today I learned... |
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That you can have internet over your electrical lines O.o
http://en.wikipedia.org/wiki/Power-line_communication
How did I know know about this before? I mean I don't need it, but this is really awesome!
Have I been asleep these last few years or?
"Quantum mechanics is actually, contrary to it's reputation, unbeliveably simple, once you take the physics out."
Scott Aaronson | chiv wrote: | | thats true you know. newton didnt discover gravity. the apple told him about it, and then he killed it. the core was never found. |
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| Posted: Sat, 24th Jan 2015 09:46 Post subject: |
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Waargh
Posts: 6997
Location: hell on earth
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| Posted: Sat, 24th Jan 2015 10:08 Post subject: |
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This goes really well with tech that allows listening or recording audio in your home using everything that's plugged. Available for a couple of decades too, yes.
Today I didn't even need to use my AK. I gotta say it was a good day. (c) - Ice Cube
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Kaltern
Posts: 5859
Location: Lockerbie, Scotland
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| Posted: Sat, 24th Jan 2015 12:51 Post subject: |
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Yup, I use it. Only a couple of minor issues:
a) Speeds quoted are never attainable, it is very much dependant on the quality of the wiring.
b) Other electrical devices can occasionally knock you offline, as they introduce too much noise when switching on (tumble dryers, microwaves, water heaters). Ideally have a wifi connection as a backup.
But other than that, very awesome, and more reliable than wireless.
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LeoNatan
☢ NFOHump Despot ☢
Posts: 73285
Location: Ramat HaSharon, Israel 🇮🇱
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| Posted: Sat, 24th Jan 2015 12:58 Post subject: |
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What about surges? What happens if there is a power surge? Won't that risk the modem/router/motherboard?
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Morphineus
VIP Member
Posts: 24883
Location: Sweden
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| Posted: Sat, 24th Jan 2015 15:40 Post subject: |
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They usually have surge protectors.
I have installed them at clients, but usually that is reserved for the customers that don't want drilling/laying cables or overpriced wi-fi solutions (but nowadays that's less of an issue).
The tech is around for quite a while and its indeed all about the wiring for the speeds you get. But back then that's what some clients opted for a cheap and stable solution.
I see it as a good use for a quick fix lan option in your house if you don't have the connections in the room.
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Invasor
Moderator
Posts: 7638
Location: On the road
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| Posted: Sat, 24th Jan 2015 18:01 Post subject: |
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it exists even in brazil! not comercially available though, just some tests going on for years...
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DXWarlock
VIP Member
Posts: 11546
Location: Florida, USA
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| Posted: Sat, 24th Jan 2015 23:34 Post subject: |
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Ive had one for about 2 years for my wifes PC since the wifi was crap at that end of the house.
The speed isnt near what cat6 direct would be, but it beats 2 bar wifi speeds hands down.
-We don't control what happens to us in life, but we control how we respond to what happens in life.
-Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times. -G. Michael Hopf
Disclaimer: Post made by me are of my own creation. A delusional mind relayed in text form.
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ixigia
[Moderator] Consigliere
Posts: 65105
Location: Italy
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| Posted: Sun, 25th Jan 2015 00:33 Post subject: |
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It's 'supported' here as well as far as I know (even though nobody is aware of it), but as you can imagine both the actual quality and speeds are abysmal due to our 30 year old ghetto jumpy wirings. Even the standard one is terrible, so it was to be expected 
I hear though that it's not very good in the cities either. I guess this option is something that the company that monopolizes everything doesn't quite like xD
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| Posted: Sun, 25th Jan 2015 02:06 Post subject: |
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Yep it works pretty well.
The coax version can also work wonders in some situations.
http://www.mocainyourhouse.com/
Empty again 
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nouseforaname
Über-VIP Member
Posts: 21306
Location: Toronto, Canada
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| Posted: Sun, 25th Jan 2015 12:29 Post subject: |
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I'm just stunned how I never heard of it before. Like literally never heard of it :S
"Quantum mechanics is actually, contrary to it's reputation, unbeliveably simple, once you take the physics out."
Scott Aaronson | chiv wrote: | | thats true you know. newton didnt discover gravity. the apple told him about it, and then he killed it. the core was never found. |
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| Posted: Sun, 25th Jan 2015 16:32 Post subject: |
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Just be carefull with cheap such adapters. They tend to get borderline fire hazard hot 
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| Posted: Sun, 25th Jan 2015 18:10 Post subject: |
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Today I learned of the Bielefeld number which is defined as Bi^2=-1
I guess it's fitting to name it after a non-existant city 
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| Posted: Sun, 25th Jan 2015 21:53 Post subject: |
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Isn't that just the imaginary unit??
http://en.wikipedia.org/wiki/Imaginary_unit
"Quantum mechanics is actually, contrary to it's reputation, unbeliveably simple, once you take the physics out."
Scott Aaronson | chiv wrote: | | thats true you know. newton didnt discover gravity. the apple told him about it, and then he killed it. the core was never found. |
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| Posted: Sun, 25th Jan 2015 22:54 Post subject: |
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Powerlan sucks, always sucked and will always suck! especially in older houses. for undemanding users it is a convenient solution, but otherwise its always smarter to use cable (even if you need to make some holes in the wall or sth else) or use range extenders / more than one access point to increase wifi range
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| Posted: Mon, 26th Jan 2015 10:12 Post subject: |
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i installed some, but they sucks balls.
even the most expensive and reliable one fuckt up at least weekly, is great when i get a call that db server is on dope again. from 15 installations during times, 12 now are on wifi. at 10% of equipment cost.
if you are building a new office/house/whatever, just wire the usual eth in walls, dont relly on this piece of shit tehnology (at this time). does not work ok even with perfect and new installed wires.
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