Amen to that. However, if you want kids to learn math, dealing with that is part of the challenge - and you don't do that by saying "that's wrong - here is the right answer" - you need to understand what's so compelling about the "wrong" answer, acknowledge that and then challenge the conclusion.
I don't thing I've really disagreed with anything you've said.
All I meant to say at the beginning is that teachers at least should know what they are talking about, and so should "edutainment" programs on TV. Basically, the educators of the world should have their own stuff straight so they don't go teaching the wrong thing.
Reminds me of another pet peeve. Average high temperature here this time of year is about 74 degrees. So it hits 80 one day and the "news" says it's 6 degrees above "normal" for this time of year. In fact, it is perfectly "normal" have a high of 80 or more this time of year. It's also perfectly normal to have a high of only 60.
But here the authority figure is saying that the weather is not "normal" and the legions of people in the area think it's some how "abnormal". Suddenly, cries of climate change and the evilness of humanity rise in local forums when the temperature hits the mid 80s when "normal" is exactly 74 degrees, the local weather man said so!
Over a given half-period of the sine wave, wouldn't they be the same?
No. A parabola is defined as the set of all points in a plane that are equally distant from a focus and a line (directrix). The points contained within a half-period of the sine wave do not have this property.
But more to the point -- the conversation we're having is *exactly* the type of discussion that would be fabulous to encourage in our educational system.
I got so worked up over the actual math that I forgot to make my point, which was:
There is a lot of incorrect teaching out there given by perceived authoritative sources (a TV show, in this case).
To this day my father refuses to believe this:.99999.... (repeats forever) is exactly equal to 1.
Why? Because someone told him at a young age that it doesn't and no amount of convincing him today as he approaches 60 will change his mind, despite the fact that I can think of at least three ways to prove it.
How many people over the years who don't know better have been told this same thing? How many of them are teachers with degrees in education and not mathematics?
Which is the same basic shape as a cosine wave, for which the first two terms of the series expansion are 1-0.5x^2 which is a....?
You can't just throw away the rest of the terms when you are describing the motion of a pendulum versus time.
I agree that teachers shouldn't expect precisely correct answers, but shouldn't an incorrect answer to a question about physical objects at least reflect reality?
Clearly, a pendulum (in the ordinary sense) doesn't swing once from (-infinity,infinity) to (infinity,infinity) which would be what a parabola describes.
First, *use* math to solve real problems and explain real scientific principles. Radio Lab (THE official National Public Radio show for geeks everywhere) had a great little episode where some student "discovers" that the periodicity of a pendulum forms a parabola when charted on a graph.
If that is true than the show is part of the problem. The graph of a pendulum's motion with respect to time is a sine wave.
And we wonder why our kids have problems with math.
In what world do you live in where you can move on a whim (you know, in case the district closes the local elementary school) or dictate to your employer where you are and are not at work?
That being said, you can't make them 100% safe, but there is a lot you can do to make them safer. I am not so sure that constant GPS tracking is one of them*.
* (There is a small voice in the back of my head telling me I might feel differently on the GPS tracking the first time my daughter wants to go on a date...)
Adding seats to a single car either assumes everyone goes to the same destination (all your processes are the same), or your car suddenly has to drive to all of their destinations anyway (all processes wait for identical events at identical times).
Brilliant unsupported assertion. Now explain why you think it's true.
Well if it is not true, then all bloggers must be "out there reporting."
If there exists one blogger who is not a reporter out there reporting, then obviously the set of all bloggers cannot be equal to the set of all reporters out there reporting.
Since I can name at least one armchair blogger who is not "out there reporting" but merely putting their own spin on what the ones "out there" are reporting, then then all bloggers cannot be "out there reporting" and therefore the original assertion is true.
Slashdot Mirror
Amen to that. However, if you want kids to learn math, dealing with that is part of the challenge - and you don't do that by saying "that's wrong - here is the right answer" - you need to understand what's so compelling about the "wrong" answer, acknowledge that and then challenge the conclusion.
I don't thing I've really disagreed with anything you've said.
All I meant to say at the beginning is that teachers at least should know what they are talking about, and so should "edutainment" programs on TV. Basically, the educators of the world should have their own stuff straight so they don't go teaching the wrong thing.
Reminds me of another pet peeve. Average high temperature here this time of year is about 74 degrees. So it hits 80 one day and the "news" says it's 6 degrees above "normal" for this time of year. In fact, it is perfectly "normal" have a high of 80 or more this time of year. It's also perfectly normal to have a high of only 60.
But here the authority figure is saying that the weather is not "normal" and the legions of people in the area think it's some how "abnormal". Suddenly, cries of climate change and the evilness of humanity rise in local forums when the temperature hits the mid 80s when "normal" is exactly 74 degrees, the local weather man said so!
I don't think that forms a parabola, either. :)
Over a given half-period of the sine wave, wouldn't they be the same?
No. A parabola is defined as the set of all points in a plane that are equally distant from a focus and a line (directrix). The points contained within a half-period of the sine wave do not have this property.
But more to the point -- the conversation we're having is *exactly* the type of discussion that would be fabulous to encourage in our educational system.
Agreed.
I got so worked up over the actual math that I forgot to make my point, which was:
There is a lot of incorrect teaching out there given by perceived authoritative sources (a TV show, in this case).
To this day my father refuses to believe this: .99999.... (repeats forever) is exactly equal to 1.
Why? Because someone told him at a young age that it doesn't and no amount of convincing him today as he approaches 60 will change his mind, despite the fact that I can think of at least three ways to prove it.
How many people over the years who don't know better have been told this same thing? How many of them are teachers with degrees in education and not mathematics?
Which is the same basic shape as a cosine wave, for which the first two terms of the series expansion are 1-0.5x^2 which is a....?
You can't just throw away the rest of the terms when you are describing the motion of a pendulum versus time.
I agree that teachers shouldn't expect precisely correct answers, but shouldn't an incorrect answer to a question about physical objects at least reflect reality?
Clearly, a pendulum (in the ordinary sense) doesn't swing once from (-infinity,infinity) to (infinity,infinity) which would be what a parabola describes.
First, *use* math to solve real problems and explain real scientific principles. Radio Lab (THE official National Public Radio show for geeks everywhere) had a great little episode where some student "discovers" that the periodicity of a pendulum forms a parabola when charted on a graph.
If that is true than the show is part of the problem. The graph of a pendulum's motion with respect to time is a sine wave.
And we wonder why our kids have problems with math.
Large numbers of Europeans don't see the 2nd amendment as part of their civil rights.
I imagine that is probably due to the fact that the U.S. Constitution, and therefore the second amendment, isn't applicable to most Europeans.
Yeah, so suppose you move somewhere with a neighborhood with a great elementary school and after a year they close it? I've seen it happen.
It's still like the lottery, only with different odds.
This is a commercial service. There is no reason to cobble together something complex.
This is Slashdot. Every wheel must be re-implemented as open-source software.
No, that's us here in Oregon
In what world do you live in where you can move on a whim (you know, in case the district closes the local elementary school) or dictate to your employer where you are and are not at work?
... find a "safe" adult ... female adult with kids
Yeah, that's really safe.
That being said, you can't make them 100% safe, but there is a lot you can do to make them safer. I am not so sure that constant GPS tracking is one of them*.
* (There is a small voice in the back of my head telling me I might feel differently on the GPS tracking the first time my daughter wants to go on a date...)
Eh, it's the way things roll here at the slash to the dee oh tee.
I wish you had 'em because it seems like there's not many people who do have them who also have a sense of humor.
Yes I know it was a joke. I was also joking when I said put the crack pipe down.
Evidently the mods are not up on the more subtle points...
Global warming. Haven't you been paying attention?
is possible for people to believe Bush did not do enough and did too little at the same time
You are saying it is possible to believe in A ("did not do enough") and again in A ("did too little") simultaneously?
Yeah, right. Put the crack pipe down.
Addendum: I get the definition of "node" as IBM puts it. But, you make it sound as if you can stick a 32-core 2U P6 box in any old rack. You can't.
The IBM p575 with the Power6 processor is a 2U node, containing 32 processors at 4.7 GHz, and 256 GB of RAM.
You might want to put the crack pipe down for a bit. The very web site you link to has the system frame physically described as:
That's a bit bigger than 2U. Here on planet Earth, anyway.
That analogy doesn't work either.
Adding seats to a single car either assumes everyone goes to the same destination (all your processes are the same), or your car suddenly has to drive to all of their destinations anyway (all processes wait for identical events at identical times).
Brilliant unsupported assertion. Now explain why you think it's true.
Well if it is not true, then all bloggers must be "out there reporting."
If there exists one blogger who is not a reporter out there reporting, then obviously the set of all bloggers cannot be equal to the set of all reporters out there reporting.
Since I can name at least one armchair blogger who is not "out there reporting" but merely putting their own spin on what the ones "out there" are reporting, then then all bloggers cannot be "out there reporting" and therefore the original assertion is true.
QED.
The coffee I just sprayed on my monitor is dedicated to you.
Seriously, +1 funny if I hadn't already commented here.
So, what if your application does a reverse name lookup and expects to find "www" and pukes when it gets "clevername" instead?
I work at a company with 5000+ servers (actually, I work on the account that supports that company nowadays, but that's another story).
Anyone else have that many? What do you name them? I'm especially interested in people that think that functional names are not a good idea.
We name ours with a construct that combines { site, service, tier, environment, instance # }.
Froze white house salaries at existing levels
Ever heard of the term "empty gesture"?