Search found 96 matches

by DavidRoss
Fri Feb 01, 2013 5:20 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1166: "Argument"
Replies: 177
Views: 36287

Re: 1166: "Argument"

I took an applied science class last semester, "Generators, Transformers, and Motors", in which the teacher and one of the students were convinced that a solar cell capable of producing enough energy to power a light bulb could be powered by that same light bulb to produce the energy need...
by DavidRoss
Tue Jan 29, 2013 5:55 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1166: "Argument"
Replies: 177
Views: 36287

Re: 1166: "Argument"

There is a not-quite-perpetual-but-long-enough experiment that's been running for longer than any existing forum thread: http://en.wikipedia.org/wiki/Oxford_Electric_Bell That's for the info. I'll definitely have to stop by and see that bell if I go through Oxford. Interesting that a 170 year old p...
by DavidRoss
Mon Jan 28, 2013 7:30 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1166: "Argument"
Replies: 177
Views: 36287

Re: 1166: "Argument"

[quote="slhuang"]...Instead, the thread created a perpetual motion machine, thus breaking the laws of thermodynamics and disproving the original post...." The cute (I'll not use "ironic" inappropriately) part is that the thread is a perpetual motion machine in exactly the sa...
by DavidRoss
Sun Jul 22, 2012 7:15 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1084: "Server Problem"
Replies: 123
Views: 51074

Re: 1084: "Server Problem"

Yes, we know what Linux is. It's a cult centered around a shitty operating system. Here's a nickel, kid. Go buy yourself a real computer. No call to brush enolith off like that. The writer provides some detailed criticisms of Linux and some of those are well-argued. However, on my computer, everyth...
by DavidRoss
Sun Jul 22, 2012 7:09 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1084: "Server Problem"
Replies: 123
Views: 51074

Re: 1084: "Server Problem"

Losing ls is no reason to panic. echo * makes a passable emergency substitute. There is a reason to panic, because we're all here trying to fix a problem that was there for the purpose of humor. Yes, `echo *` will work. But you forget that echo has been remapped and all the commands that you would ...
by DavidRoss
Sun Jul 22, 2012 7:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1084: "Server Problem"
Replies: 123
Views: 51074

Re: 1084: "Server Problem"

Oh please. Only idiots believe in the “singularity”. Because: If people start to not being able to keep up with technology, that obviously limits their ability to make it accelerate even faster. So the acceleration will gradually flatten out at that point, meaning the speed of progress will become ...
by DavidRoss
Sun Jul 22, 2012 6:40 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1084: "Server Problem"
Replies: 123
Views: 51074

Re: 1084: "Server Problem"

Can somebody explain what's going on in the third panel? Girl tried to use the command `ls` which is a common simple command to show the files in the current directory. Instead of launching the usual command, somehow the guy set it so that typing ls calls a Java Archive file that exists in a path t...
by DavidRoss
Thu Feb 02, 2012 6:40 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1011: "Baby Names by Frank Zappa"
Replies: 302
Views: 81413

Re: 1011: "Baby Names"

wormywyrm wrote:I was a little disappointed that:

a) No one on this thread yet posted what the significance of the name 'Renesmee' is.


I too was disappointed that an entire 14 minutes went by without anyone posting something. What is wrong with you, world? Does everyone go to sleep at midnight around there?
by DavidRoss
Thu Dec 22, 2011 2:42 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0993: "Brand Awareness"
Replies: 232
Views: 68351

Re: 0993: "Brand Awareness"

Heh. In many cases, the products actually do come from the same factory, but that doesn't mean they're identical. Even if they are supposed to be identical, there is still something to be said about buying the more expensive brand. Chemists/drug stores do this a lot with generic versions of pain re...
by DavidRoss
Wed Dec 21, 2011 8:19 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0993: "Brand Awareness"
Replies: 232
Views: 68351

Re: 0993: "Brand Awareness"

Yeah, Wal-mart's Great Value stuff was my first thought. And those products are cheaper because they save a ton on ink and save some from having to buy dedicated product packaging designers and the photographers and logo creators etc. Stop and think about it for a moment. For a given 4 euro or $4 p...
by DavidRoss
Tue Dec 13, 2011 6:14 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0989: "Cryogenics"
Replies: 81
Views: 19452

Re: 0989: "Cryogenics"

I just want to skip winters. Can I do that? Yes, but only by freezing yourself alive, which may or may not miss the point depending on why you want to do so. Um, there's existing technology to do that. Just Google "ryanair Rome" or "Southwest airlines Orlando". For a fee, you ca...
by DavidRoss
Tue Dec 13, 2011 6:09 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0989: "Cryogenics"
Replies: 81
Views: 19452

Re: 0989: "Cryogenics"

Of course, the correct approach is to calculate the optimum percentage of engineers to leave awake to maximise the expected utility of freezing the remainder for 30 years. There is no expected global utility to freezing the engineers, only individual utility that applies to those individuals who ju...
by DavidRoss
Mon Dec 12, 2011 7:17 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0986: "Drinking Fountains"
Replies: 115
Views: 25110

Re: 0986: "Drinking Fountains"

Yes, to a great degree, but that doesn't imply that "any random shit Randall thinks up is necessarily worth publishing". Every kind of art needs some sort of filter, you know. Then, I guess we'd agree that a great many Twitter streams are not art, as they are not filtered. As for "fi...
by DavidRoss
Tue Dec 06, 2011 5:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0986: "Drinking Fountains"
Replies: 115
Views: 25110

Re: 0986: "Drinking Fountains"

QRS wrote:
solidxsnake wrote:The bathroom on my floor of the dorm I live in has a drinking fountain INSIDE the bathroom. Go figure.


I know it sorta looks like a drinking fountain, but you're not really supposed to drink out of those things....



OK, that was funny.
by DavidRoss
Tue Dec 06, 2011 5:14 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0986: "Drinking Fountains"
Replies: 115
Views: 25110

Re: 0986: "Drinking Fountains"

This is one of the stupidest - if not the single stupidest - comic ever posted here. It's not realistic enough to be a worthwhile thinking point, and it's not absurd enough to be funny. Just ... totally pointless. Well, in addition to criticizing Randall, you've also criticised the rest of us who h...
by DavidRoss
Tue Dec 06, 2011 5:04 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0986: "Drinking Fountains"
Replies: 115
Views: 25110

Re: 0986: "Drinking Fountains"

Try being pregnant. Some days, I do feel like I'm peeing and drinking constantly. Body needs more water -> drink more -> body processing more water -> pee more. And, repeat... for nine months. I think that's about as close as I'll come to replicating the experiment. Trust me. It's no picnic. And, a...
by DavidRoss
Tue Nov 01, 2011 6:10 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0971: "Alternative Literature"
Replies: 180
Views: 38123

Re: 0971: "Alternative Literature"

*edit* also I forgot to mention, the obvious reason why the placebo effect is so effective and awesome is the accidental homepathic dosage they get with the glass of water... Pssh, the water doesn't remember the medicine unless it was shaken ritualistically first. Everyone knows that. a cure for pa...
by DavidRoss
Tue Nov 01, 2011 6:07 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0971: "Alternative Literature"
Replies: 180
Views: 38123

Re: 0971: "Alternative Literature"

And so now.... People who don't bother to read and identify what they are taking off the shelf and purchasing == evil corporation? Do you really think "Boiron Oscillococcinum for Flu-Like Symptoms, Active Ingredient Anas barbariae hepatis et cordis extractum 200CK HPUS"...Yes, I'd say tha...
by DavidRoss
Tue Nov 01, 2011 5:51 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0971: "Alternative Literature"
Replies: 180
Views: 38123

Re: 0971: "Alternative Literature"

Did we really need to talk about homeopathy again? http://xkcd.com/765/ http://xkcd.com/808/ I agree, there is too much repetition on XKCD. How many comics on crypto have there been? How many about love? How many about maths? Why does Randall keep regurgitating that Black Hat character again and ag...
by DavidRoss
Tue Nov 01, 2011 5:15 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0971: "Alternative Literature"
Replies: 180
Views: 38123

Re: 0971: "Alternative Literature"

I wonder how many of you got the homeopathy reference before reading the alt text. Because I didnt and now I feel like my intellect failed me on this one. I didn't get it until I got to the Alt-text, either. I was thinking he was heading into the abstract art or philosophy domains. However, I do no...
by DavidRoss
Mon Oct 31, 2011 5:03 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0970: "The Important Field"
Replies: 136
Views: 40358

Re: 0970: "The Important Field"

Copper Bezel wrote:I just have my Caps Lock key disabled. *Shrug*


yOU DO? hOW DOES THAT WORK? i'D love THAT FEATURE!
by DavidRoss
Mon Oct 31, 2011 4:58 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0970: "The Important Field"
Replies: 136
Views: 40358

Re: 0970: "The Important Field"

(and, by the way, passwords were case-sensitive and obscured for a hell of a long time before html was even plausible... this is just common sense, not some device to torment the weak...) Logging into a server via SSH, there aren't even any stars! No visual feedback whatsoever. It is a fun game to ...
by DavidRoss
Fri Oct 28, 2011 6:46 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0970: "The Important Field"
Replies: 136
Views: 40358

Re: 0970: "The Important Field"

Am I detecting a shade of green in that hat? First time I can recall seeing a color other than black (or red). Yes. It is clearly green (to those who can distinguish green from red), with perhaps a yellow badge. My guess is that it is a tip-off that GHG (green hat guy) is military. On a related top...
by DavidRoss
Mon Aug 08, 2011 6:18 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0935: “Missed Connections”
Replies: 80
Views: 27124

This requires understanding the “Missed Connections” term

I really didn't get this comic, so I had to read the forum on it. I guess I was not aware of the "Missed Connections" genre, wherein someone posts a message describing an interaction they had in passing with another person in hopes that the other person reads it and they reconnect. But now...
by DavidRoss
Wed Jun 15, 2011 11:27 pm UTC
Forum: Mathematics
Topic: Proof that there are at least 5 regular polyhedra?
Replies: 11
Views: 3091

Re: Proof that there are at least 5 regular polyhedra?

Generally, we are not interested in non-constructive existence proofs when constructive ones are available. Well, I could use the excuse that "hey, the non-constructive existence proof is useful for higher dimensions" but I really don't have any true justification for needing it. I just o...
by DavidRoss
Thu Jun 09, 2011 8:04 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0903: "Extended Mind"
Replies: 666
Views: 182439

Re: 0903: "Extended Mind"

The alt text is true! I started at a random article, which was "St. Francis' College, Letchworth", and ended up in Philosophy! Ah, no. More likely, you've shown that the alt text is true for a small subset of the Wikipedia entries. Reminds me of Homer Simpson - prior to naming his first-b...
by DavidRoss
Thu Jun 09, 2011 7:57 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0903: "Extended Mind"
Replies: 666
Views: 182439

Re: 0903: "Extended Mind"

I must say that this really reminds me of the Collatz Conjecture. Mostly the idea of a "web" of numbers/articles that once you reach, it ultimately leads you to 1/philosophy. So, yeah... keep bringing the loops! Yeah, me too. Both of those remind me of hiking in on certain trails where if...
by DavidRoss
Thu Jun 09, 2011 7:47 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0903: "Extended Mind"
Replies: 666
Views: 182439

Wikipedia was observed by XKCD and that disturbed the data

Wikipedia now has "Biology" -> "Natural Science" -> "Biology". There seem to be a lot of recent edits to the first sentence of the Natural Science Wikipedia entry, which lists examples of natural sciences. The edits involve reordering the list and the reason given is th...
by DavidRoss
Thu Jun 02, 2011 4:13 pm UTC
Forum: Mathematics
Topic: Proof that there are at least 5 regular polyhedra?
Replies: 11
Views: 3091

Re: Proof that there are at least 5 regular polyhedra?

One place to look might be this book . Thanks. I happen to be in possession of that book (not sure how that came to be). I'll look again, but Coxeter's discussion of regular polyhedra in R^3 starts with the entirely reasonable assumption that all five do exist. His definition of a regular polyhedra...
by DavidRoss
Thu Jun 02, 2011 7:29 am UTC
Forum: Mathematics
Topic: ∞ X 0 = -1?
Replies: 19
Views: 2501

Re: infty X 0 = -1?

There's nothing wrong with multiplying both sides of an equation by 0. It's not exactly helpful ever, and it will introduce solutions, but it never leads you from a statement which is true to a statement which is false. Which means it's consistent. This is unlike dividing both sides by zero, which ...
by DavidRoss
Thu Jun 02, 2011 6:52 am UTC
Forum: Mathematics
Topic: Proof that there are at least 5 regular polyhedra?
Replies: 11
Views: 3091

Proof that there are at least 5 regular polyhedra?

There is a proof that there are no more than five regular polyhedra? The upper bound proof looks at how many regular polygons of different orders can meet at a vertex point and form a convex surface. There are only five ways of doing that (3, 4, or 5 triangles, 3 squares, 3 pentagons). That's the up...
by DavidRoss
Thu Jun 02, 2011 6:21 am UTC
Forum: Mathematics
Topic: Volume of a liquid in a barrel
Replies: 12
Views: 2581

Re: Volume of a liquid in a barrel

Here's a cheat. Assume a piecewise constant radius on the inside of the barrel. It's a 55 gallon barrel, so that is fine enough of an approximation. Measure the barrel's diameter, D1, at the inside bottom of the barrel, in inches (because I assume you want US liquid gallons and want to use inches). ...
by DavidRoss
Thu Jun 02, 2011 5:38 am UTC
Forum: Mathematics
Topic: ∞ X 0 = -1?
Replies: 19
Views: 2501

Re: ∞ X 0 = -1?

Footnote: '1/0' can never make any sense. '0/0' has a better chance, since 'x = 0/0' would imply that 0x = 0, i.e. x can take on any value. Ah, but you've multiplied both sides of the equation by zero in order to get the statement "'x = 0/0' would imply that x=0/0", i.e.: 0*x=0*(0/0) 0*x=...
by DavidRoss
Thu Jun 02, 2011 5:02 am UTC
Forum: Mathematics
Topic: Need help with Gaussian Elimination
Replies: 8
Views: 1248

Re: Need help with Gaussian Elimination

Nice first post in the math forum! [/sarcasm] The OP has given a valid reason for not doing the first three. It's entirely possible that they consulted 4 and 5 but you didn't really give them a chance did you? OK, given that the Wikipedia entry isn't exactly on point, and the fact that the question...
by DavidRoss
Tue May 24, 2011 6:15 am UTC
Forum: Mathematics
Topic: Need help with Gaussian Elimination
Replies: 8
Views: 1248

Re: Need help with Gaussian Elimination

Since the preferred order of search for your answer is:

1. The graduate student teaching the recitation
2. The professor
3. Other students in the class (i.e., pick one who looks confident in class)
4. Wikipedia
5. Mathworld
6. xkcd.com forums

Just curious, what your results were for the first five?
by DavidRoss
Sun May 22, 2011 7:11 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0901: "Temperature"
Replies: 114
Views: 28292

Re: 0901: "Temperature"

The funny thing is, you actually can find out if you are pregnant this way! My wife (a Linux using, knitting, trombing playing medical scientist) measures her temperature every morning while trying to conceive and graphs the results. By looking for patterns, she usually finds out before the preg te...
by DavidRoss
Mon Apr 18, 2011 4:52 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0881: "Probability"
Replies: 326
Views: 106038

Re: 0881: "Probability"

We come to his site as guests, not as clients or customers. If that is the view everyone has of the audience , then I don't see much future for art as a whole. You mean, the artist does his art entirely for himself, and the audience is just this passive, voiceless entity that, in the end, doesn't m...
by DavidRoss
Fri Apr 15, 2011 6:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0885: "Recycling"
Replies: 59
Views: 14934

Re: 0885: "Recycling"

I've become deeply opposed to recycling ever since living in a city that charges per trash bag but recycling is free. It's fucking extortion. Thankfully my new roommate is part-owner of a restaurant with a dumpster, so she takes our garbage over there every week instead of paying for curbside. They...
by DavidRoss
Fri Apr 15, 2011 5:25 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0881: "Probability"
Replies: 326
Views: 106038

Re: 0881: "Probability"

Seriously, Randall. Nobody cares about your personal life, we just want entertaining comics. Please keep it professional. Screw you, I care. And sometimes I like a serious comic. Fingers crossed that it is just a comic? You just like to pretend that you're friends with Randall, when in reality he w...
by DavidRoss
Fri Apr 15, 2011 4:48 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0878: "Model Rail"
Replies: 98
Views: 31764

Re: 0878: "Model Rail"

I must be insane for reading that entire wikipedia talk page... More disturbing than your average horror movie (and nail me up for support in the H0 format). I couldn't get through the entire talk page, but it struck me as odd that among those who spend too much of their time on model train buildin...

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