One of several reasons that my posting frequency has been low lately is that my internet connection has been miserable. As in dial-up speed miserable. As in so slow that the online tools that measure connection speed have been showing me that I'm getting download speeds that I haven't had to experience since I upgraded to a 28.8k modem back in the mid-90s.
So I call Comcast. Yes, their tools also show a big connection speed problem. No, there's probably not anything I can do on my end to fix it. Yes, they can set up a service call to have the problem fixed. They'll be able to squeeze me in on Thursday afternoon. Gotta love prompt service.
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As you've hopefully all heard by now, the Mars Phoenix lander made a perfect
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only achieve a perfect landing, but to use Mars reconnaissance orbiter to catch a
"The fact that gravitational damping is measured at all is a strong indication that the propagation speed of gravity is not infinite. If the calculational framework of general relativity is accepted, the damping can be used to calculate the speed, and the actual measurement conf
A reader sent me a really wonderfully wacko link. It's a fundamentalist islamic site, which tries to use relativity to argue for the divinity of the Koran. It's remarkably silly.
So, the previous post poses a physics question based on some previous fooling around with modeling my commute:
I must say where I live the service is unpredictable. My friend got cable in his car through a wireless provider. I may consider his service
comcast is the pits. we do not have many options here.
I feel for you. My description of my experience with Comcast is here.
Somewhat to my surprise, I just had a good experience with AT&T. My DSL service was recently cut off and I was reduced to miserable dial-up access. When the AT&T tech came out, I was still stuck at school in an important committee meeting (we're hiring). He found the note I posted on the door in case no one was home, called me, and arranged to return the next day. He came back and dealt with several problems with my configuration and connection speed, getting me back on-line and up to snuff. I guess there's hope for AT&T after all, which I feared was getting big enough to not care anymore (like the original AT&T).
In my experience, cable modem users follow a predictable pattern. In the beginning, they get unrivaled speed (FIOS notwithstanding). And for several months, up to a year and half that's the way it is. But then the problems kick in. Performance, reliability, etc.
I had a cable modem years ago, and the service would crap out every other month. Tech support was dreadful. Every single time, the problem begins the same way -- unable ping my default route. I would spend 20 minutes with level one support, going through the normal stupidity. Level two would take a look at the situation and agree with me. Each time, they would set up a service call for a technician to visit my house, usually two weeks into the future. No service in the mean time. On the day of the service call, the technician performs some magic on the network side that level two should probably have done when I called. No visit takes place, just a two week loss of service. Two months later, it's "Lather, rinse, and repeat." Cable is awful.
DSL does not have the same performance, but the consistency and reliability is MUCH better in my opinion. Unless, of course, you live too far from the CO, in which case the bandwidth is inadequate and you might lose the connection whenever the phone rings. If you live in a fringe area, I don't know which is worse.
I might just have been spoiled, but I've had excellent service with other providers. In the six years that I was in Honolulu, I had Oceanic Time Warner. Once in that time was there a problem with the equipment inside the house. I was able to bring the modem in to a service center, swap it out, and was back up again within a day.
The times that there were service problems in the area - either outages or delays - their customer service almost always had identified the problem before I called, and they typically had things fixed within a matter of a few hours. Excellent customer service.
Comcast's customer service people are pleasant, but simply don't seem to have the resources to accomplish a thing within a reasonable timeframe.
thank you so much
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