## Search found 205 matches

- Wed Mar 27, 2013 5:42 am UTC
- Forum: Individual XKCD Comic Threads
- Topic: 1190: "Time"
- Replies:
**107139** - Views:
**48732636**

### Re: 1190: "Time"

I really want this to end up looping, which wouldn't be too hard to do - just have a wave destroy the sandcastle.

- Wed Mar 23, 2011 6:14 am UTC
- Forum: Individual XKCD Comic Threads
- Topic: 0876: "Trapped"
- Replies:
**90** - Views:
**18178**

### Re: 0876: "Trapped"

If it were Berkeley or Hume he would have just come to terms with it and stayed in the cave.

- Thu Jan 06, 2011 6:23 am UTC
- Forum: School
- Topic: Looking for good textbooks on critical thinking
- Replies:
**21** - Views:
**3561**

### Re: Looking for good textbooks on critical thinking

Funny thing about the Amazon page on that book: there are five reader reviews, and without exception, they read like Ebay reviews: they're all about the physical condition of the book or how quickly it was shipped. There's nothing at all about the content! What's with that?! Don't these people read...

- Wed Jan 05, 2011 5:59 pm UTC
- Forum: Hardware
- Topic: Help with a gaming desktop
- Replies:
**27** - Views:
**3120**

### Re: Help with a gaming desktop

Be aware that with sandy bridge, you're going to need a different motherboard than you would with an older core i3/5/7 processor.

- Tue Jan 04, 2011 9:29 pm UTC
- Forum: School
- Topic: Thoughts on math homework in college
- Replies:
**27** - Views:
**4931**

### Re: Thoughts on math homework in college

I had a professor that used a system that worked out pretty well in a beginning Linear Algebra class. She would give us a list of problems and about half of them would be graded for correctness and half of them would be graded for completion, and she told us which were which. She was a pretty stern ...

- Tue Dec 28, 2010 8:24 am UTC
- Forum: School
- Topic: Your Schedule
- Replies:
**655** - Views:
**161797**

### Re: Your Schedule

CG 120 Computer Programming (3) Math 233 Calculus 3 (4) Math 341 Intro to Modern Geometry I (3) Phil 261 History of Modern Philosophy (3) Mus 267 University Symphony Orchestra (1) Mus 273 Individual Performance in Bass (2) These are all on Monday, Wednesday and Friday, with the exception of calculus...

- Thu Dec 23, 2010 6:32 pm UTC
- Forum: Hardware
- Topic: Garg, video cards?
- Replies:
**22** - Views:
**1942**

### Re: Garg, video cards?

Oh, will yoi look at that? I guess i overlooked the rebate. If you shop around, you can probably find something better for similar money, since the 200 series is getting replaced, like [url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814130573&cm_re=Gts_450-_-14-130-573-_-Product...

- Thu Dec 23, 2010 6:59 am UTC
- Forum: Hardware
- Topic: Garg, video cards?
- Replies:
**22** - Views:
**1942**

### Re: Garg, video cards?

Under $200, there's no question that you want the GTX460 1GB (the "regular" version, NOT the SE version.) If you can get one with factory overclocks, so much the better - Nvidia deliberately gimped the 460 so it wouldn't cannibalize GTX470 sales, and most 460s will easily break 800MHz and...

- Thu Dec 23, 2010 6:51 am UTC
- Forum: Hardware
- Topic: HDDs for RAID
- Replies:
**7** - Views:
**1129**

### Re: HDDs for RAID

I'm not terribly experienced, but my impression is that it only becomes an issue when you have 4+ drives. I've been running 2 consumer-level (Caviar Blue) WD drives in a RAID 0 for about two years on a PC (with the on-board raid controller on an XFX nForce 780i motherboard) and haven't had any probl...

- Wed Dec 15, 2010 9:06 pm UTC
- Forum: Hardware
- Topic: Multi-GPU with different OEMs
- Replies:
**3** - Views:
**822**

### Re: Multi-GPU with different OEMs

I don't have much experience with AMD, but assuming the world makes sense and crossfire is relatively similar to sli in how it works, you shouldn't have an issue. While the actual cards and peripheral software come from different companies, they use the same drivers (which are from AMD), and thus sh...

- Wed Dec 15, 2010 10:11 am UTC
- Forum: Mathematics
- Topic: Game Theory at a high school level
- Replies:
**11** - Views:
**2471**

### Re: Game Theory at a high school level

This British guy at Yale has some very good lectures. My only gripe with him is his insistence to pronounce β as "bee-tah" I can second both the recommendation and the annoyance with his pronunciation. And despite being a Yale course, it should be easily comprehensible to a high school st...

- Wed Dec 15, 2010 10:09 am UTC
- Forum: Mathematics
- Topic: Useless Math
- Replies:
**60** - Views:
**9782**

### Re: Useless Math

On simpler level, do the complex numbers exist in reality? For that matter, do *any* numbers? Now you're just asking a philosophical question (similar to the one the OP wants to address), not a mathematical one. Exactly. This is a philosophical question that happens to be about math. The search for...

- Mon Dec 06, 2010 3:19 am UTC
- Forum: Mathematics
- Topic: Useless Math
- Replies:
**60** - Views:
**9782**

### Re: Useless Math

(I'm contrasting Aristotle, who would say that mathematical objects are just real objects, just thoguth of abstractly, as opposed to as objects) Not sure if this could be important, but the math Aristotle would have been familiar with is(obviously) nothing like the modern stuff you could talk about...

- Mon Dec 06, 2010 1:15 am UTC
- Forum: Mathematics
- Topic: Useless Math
- Replies:
**60** - Views:
**9782**

### Useless Math

As mathematicians, I'm sure many of you have had to justify it's practicality to people outside the discipline. I'm having the opposite problem right now. I'm writing a paper and trying to argue that mathematical objects (numbers, shapes, sets and so on) exist abstractly regardless of any relationsi...

- Mon Dec 06, 2010 12:35 am UTC
- Forum: School
- Topic: Reactions to your Major
- Replies:
**344** - Views:
**59559**

### Re: Reactions to your Major

I generally get confused reactions from my dual major: Political Science & Computer Science. Something along the lines of: "Are those two related...?" or "So.. you're a scientist?" That last one sucks because I'm really not. I feel like the "science" on the end of ...

- Sun Dec 05, 2010 1:46 am UTC
- Forum: Mathematics
- Topic: Math REUs
- Replies:
**1** - Views:
**1043**

### Math REUs

Hi. I'm a freshman math major (though technically a sophomore thanks to AP credits). My goal is to go to graduate school for math and (hopefully) become a professor. I'm planning to apply to some REU programs this coming summer (2011). I'm guessing at least some of you have experience with these pro...

- Fri Dec 03, 2010 12:54 am UTC
- Forum: Mathematics
- Topic: Forming a proof about a triangle
- Replies:
**10** - Views:
**1638**

### Re: Forming a proof about a triangle

Don't change case of variables. A and a are often different! 3. x^2 + y^2 = 2xy (substitute by the pythagorean theorem) 4. (x^2 + y^2)/(xy) = 2 (multiply both sides by xy) Yeah, sorry about the cases. I understand the point of being consistent about it, but this isn't a very formal setting, and i t...

- Thu Dec 02, 2010 1:14 am UTC
- Forum: School
- Topic: Reactions to your Major
- Replies:
**344** - Views:
**59559**

### Re: Reactions to your Major

I'm double majoring in math and philosophy, and the most annoying an freshen thing is, "Rhodes are so different!" or similar, to which I respond, "no, they're mostly the same thing." I really enjoy the dissuaded looks that I get when I just say math. People look at me like I'm cr...

- Thu Dec 02, 2010 1:03 am UTC
- Forum: Mathematics
- Topic: Forming a proof about a triangle
- Replies:
**10** - Views:
**1638**

### Forming a proof about a triangle

Hi. I'm trying to prove something, and I don't really know if this form is considered valid. Suppose you have a right triangle, with hypotenuse z and the other two legs designated as x and y. Using the fact that the area A=(z^2)/4 , I want to prove that x=y, aka that the triangle is isosceles. I wil...

- Thu Jul 15, 2010 3:35 pm UTC
- Forum: The Help Desk
- Topic: Charging an iPad
- Replies:
**4** - Views:
**745**

### Re: Charging an iPad

I have an outlet charger, the problem is that it won't charge off USB when connected to a computer, and I want to charge and synch at the same time.

- Thu Jul 15, 2010 3:20 am UTC
- Forum: The Help Desk
- Topic: Charging an iPad
- Replies:
**4** - Views:
**745**

### Charging an iPad

So I have an iPad, and a windows desktop. Apparently, the iPad will only charge when connected to what apple calls "high-power" USB, which supplies 1100mA rather than the 500mA which is standard for USB. They seem to be working outside the standard, and so you can only get that kind of pow...

- Fri Jun 11, 2010 1:34 am UTC
- Forum: Hardware
- Topic: Computer Zapper Feasability?
- Replies:
**33** - Views:
**3754**

### Re: Computer Zapper Feasability?

well, if you're an evil black-hat hacker, you could store all the incriminating evidence on an external 2-bay encclosure:1 HDD, and one ultracap. then on your computer use a ridiculously long encryption password, and program an arduino or something in the enclosure to trigger the ultracap if its no...

- Thu May 20, 2010 3:29 pm UTC
- Forum: School
- Topic: Before you graduated
- Replies:
**18** - Views:
**2910**

### Before you graduated

I will be graduating from high school in about 10 hours. I plan to major in math in college (with a minors in computer science and philosophy), and ultimately get a PhD in math. I'll be participating in music in college (lessons, orchestra, on a small scholarship for it), though not majoring/minorin...

- Thu May 20, 2010 3:21 pm UTC
- Forum: School
- Topic: High School Pranks
- Replies:
**684** - Views:
**88440**

### Re: High School Pranks

A handful of students (who were, by the way, all the smartest kids in the school. It was the valedictorian's idea) came into the school yesterday morning at about 6 (with the dean's help) and re-locate the principal's office to an open space just inside the student parking lot doors. They copied all...

- Sun Apr 18, 2010 4:21 am UTC
- Forum: School
- Topic: Does studying computer science require I use a computer?
- Replies:
**10** - Views:
**2247**

### Does studying computer science require I use a computer?

Well, it's not actually that simple, or that dumb. I'm entering college in the fall, I'll be majoring in math and minoring in computer science. I have a desktop computer (which I built myself) that I'm happy with and the hardware will stay up-to-date for a while. I'm also eying the iPad, and I'm pre...

- Fri Apr 16, 2010 4:33 am UTC
- Forum: Mathematics
- Topic: What do you do with that?
- Replies:
**12** - Views:
**1895**

### Re: What do you do with that?

My opinion is that you shouldn't be thinking about your career at all . If you do a well-rounded math major, you'll be exposed to so many interesting branches of mathematics you don't currently know exist, and they'll skew both your interests and your future plans in ways you can't predict right no...

- Fri Apr 16, 2010 4:32 am UTC
- Forum: School
- Topic: The digressing professor
- Replies:
**14** - Views:
**2786**

### Re: The digressing professor

My calculus teacher, who is otherwise fantastic at getting the concepts across, will do this thing where someone will ask a dumb, or at least trivial, question (where did that coefficient come from? why is that negative?). It's usually something that it's possible to explain in a sentence or two (li...

- Fri Apr 16, 2010 1:42 am UTC
- Forum: Mathematics
- Topic: What do you do with that?
- Replies:
**12** - Views:
**1895**

### Re: What do you do with that?

but how many people with training in math (as opposed to meteorology) actually do meteorological modeling I would be more interested in learning how many people trained in meteorology (as opposed to math) actually do meteorological modeling. You of course have to know lots of math and <insert other...

- Fri Apr 16, 2010 1:39 am UTC
- Forum: Mathematics
- Topic: probabilty of envelope?
- Replies:
**11** - Views:
**3010**

### Re: probabilty of envelope?

What about this? I think i have a sound calculation of the chance that, when filled sequentially, the first envelope will be correct, and then all the subsequent ones will be wrong: Represent the envelopes as En, and letters as Ln, where Ln is correct in En. P(s) = the probability of the eve...

- Thu Apr 15, 2010 10:06 pm UTC
- Forum: Mathematics
- Topic: What do you do with that?
- Replies:
**12** - Views:
**1895**

### Re: What do you do with that?

Weapons design is a good career if you've got the stomach for it. Weapons design? Wouldn't that be more along the lines of engineering and computer science? Basically, look at any field that uses complex models to predict the future (insurance, finance, weather, economics, politics), and there is a...

- Thu Apr 15, 2010 5:32 am UTC
- Forum: Mathematics
- Topic: What do you do with that?
- Replies:
**12** - Views:
**1895**

### What do you do with that?

So I'm a high school senior, and I'm going to start college as a math major in the fall. My ultimate goal is to get a Ph.D, and become a professor of math. I was wondering, as a matter of curiosity, what other jobs are there for people with advanced degrees in math?

- Wed Apr 07, 2010 6:36 am UTC
- Forum: School
- Topic: Striving for Mediocrity
- Replies:
**31** - Views:
**4317**

### Re: Striving for Mediocrity

I'm also a high school senior in Jesusland, USA. I was talking to my former AP Government/Sophomore-level English teacher about the state of education (boys in my graduating class at my school were 80% less-than-proficient in writing, and the school keeps having to cut because the area is predominat...

- Wed Apr 07, 2010 3:54 am UTC
- Forum: Mathematics
- Topic: Calculus Test (Antiderivatives, etc)
- Replies:
**12** - Views:
**2484**

### Re: Calculus Test (Antiderivatives, etc)

For #1, what did you put as teh answer? Assuming you know what Sir Elderberry said, you probably made an error in yoru integration (i'm assuming this was your first test since you learned to integrate, by your use of the word Antiderivative). Remember that when using the power rule to integrate, you...

- Wed Apr 07, 2010 3:31 am UTC
- Forum: Mathematics
- Topic: math "hobby"
- Replies:
**11** - Views:
**2129**

### Re: math "hobby"

Last note: If you don't like proofs, you don't like math. :( Don't let that scare you. Depending on the policies of your school district, you may or may not have taken high school-level geometry. (I took it in 8th, and where i am, it's considered "on-track" to take it in 10th) You're goin...

- Tue Apr 06, 2010 3:56 am UTC
- Forum: School
- Topic: "When am I going to use this?"
- Replies:
**127** - Views:
**22759**

### Re: "When am I going to use this?"

What's all this fuss about the real world? I do math (and will be a math major next year) because i enjoy it. My parents were thrilled that I'm doing something "more practical" than music, which was my most serious other consideration. I had to explain to them that math is useless, and tha...

- Sat Apr 03, 2010 7:19 am UTC
- Forum: School
- Topic: So called "Weed Out Courses" (or, Why bother with college?)
- Replies:
**44** - Views:
**10856**

### Re: So called "Weed Out Courses" (or, Why bother with colleg

I've always hated multiple-choice math tests, where I'll work out the problem (in which they're looking for an exact/not-quite-solved answer) and get a perfectly right answer and it won't be one of the choices, and one of them is also right. For example, on the ap calculus exam, there was a question...

- Tue Mar 30, 2010 3:51 am UTC
- Forum: School
- Topic: Florida Universities: BA or BS?
- Replies:
**4** - Views:
**1029**

### Re: Florida Universities: BA or BS?

I'm not from florida and am not familiar with how they do it at the schools in question, but for math, there probably isn't much of a difference. I'm going to be a math major and of all the schools i applied to, only two of them offered both a BA and a BS in math. At one of them (Drake) the differen...

- Sun Mar 28, 2010 6:41 pm UTC
- Forum: School
- Topic: Planning to be a Math/Music Major
- Replies:
**19** - Views:
**2762**

### Re: Planning to be a Math/Music Major

At my Alma mater, the philosophy formal logic courses where not allowed to be taken as a math major student. There where formal logic courses in the math faculty for math students, and formal logic courses in the philosophy department for philosophy students. I've spent some quality time with the c...

- Sun Mar 28, 2010 5:22 am UTC
- Forum: School
- Topic: Planning to be a Math/Music Major
- Replies:
**19** - Views:
**2762**

### Re: Planning to be a Math/Music Major

Isn't it normal to have relatively narrow 4th year courses that cover specific topics, like Functional Analysis, Algebraic Number Theory, Algebraic Topology, Measure Theory, Operator Theory, Spectral Theory, Category Theory, Formal Logic, etc? Is it? That's kind of what I want to know, if i've got ...

- Fri Mar 26, 2010 10:58 pm UTC
- Forum: School
- Topic: Planning to be a Math/Music Major
- Replies:
**19** - Views:
**2762**

### Re: Planning to be a Math/controlled sonic assault Major

Concerning controlled sonic assault... I started freshman year with a Math/controlled sonic assault major, and it completely destroyed my schedule. controlled sonic assault majors--especially performance majors--are notorious for spending all of their lives in classes and practices, and when I actu...