Search found 765 matches

by MartianInvader
Fri Dec 13, 2013 6:00 pm UTC
Forum: Gaming
Topic: Games you have programmed
Replies: 93
Views: 35246

So my brother made a flash game

My brother wrote a flash game called "Conjurer Clash". It's a turn-based puzzle game where you play a wizard moving around grid-based levels, avoiding enemy monsters while summoning your own to fight them. It also has a pretty fun multiplayer versus mode where there's a time limit for each...
by MartianInvader
Tue Dec 10, 2013 10:55 pm UTC
Forum: News & Articles
Topic: In other news... (humorous news items)
Replies: 14040
Views: 1926090

Re: In other news... (humorous news items, etc)

Coyne wrote:The wiki article now shows a 1 in 169 million chance of impact.

"Giant asteroid capable of destroying earth expected to kill 41 people!"
by MartianInvader
Thu Dec 05, 2013 10:29 pm UTC
Forum: News & Articles
Topic: Couple Found Guilty of Murder, followed parenting book
Replies: 219
Views: 24449

Re: Couple Found Guilty of Murder, followed parenting book

addams wrote:Really? If there is no God above you and your friends; That is a Religion?

What is its name?

I hereby proclaim myself an autotheist!
by MartianInvader
Tue Dec 03, 2013 5:42 pm UTC
Forum: News & Articles
Topic: In other news... (humorous news items)
Replies: 14040
Views: 1926090

Re: In other news... (humorous news items, etc)

I'm pretty sure that, by induction's definition, the earth is not in space.
by MartianInvader
Tue Nov 26, 2013 7:41 pm UTC
Forum: What If?
Topic: What-If 0073: "Lethal Neutrinos"
Replies: 128
Views: 37169

Re: What-If 0073: "Lethal Neutrinos"

I believe the derivative is eln(x)e-1/x, correct?
by MartianInvader
Tue Nov 26, 2013 12:05 am UTC
Forum: Mathematics
Topic: Measure-theory-ish thingamajig
Replies: 38
Views: 5999

Re: Measure-theory-ish thingamajig

Let's forget about infinite sequences of sets for a minute. Let's just consider a plain unit circle (not filled in) in R^2, call it C . Consider a point x on C , and consider the function f that rotates the circle by, say, sqrt(2) degrees. Then if you keep applying f to x , you never get back to x i...
by MartianInvader
Fri Nov 15, 2013 9:23 pm UTC
Forum: Mathematics
Topic: Cantor set problem from Pugh
Replies: 8
Views: 2143

Re: Cantor set problem from Pugh

Ha, I think eta oin shrdlu has it solved. Even if the drawing wasn't perfectly to scale, the principle will work since you can scale any part of a Cantor set and it's still a Cantor set. So just take tiny arcs around 3 points equally spaced in the circle, and put a Cantor set in each arc. Then their...
by MartianInvader
Fri Nov 08, 2013 12:03 am UTC
Forum: Mathematics
Topic: Dogma in Math
Replies: 98
Views: 10308

Re: Dogma in Math

I'm still leaning towards troll, but just in case... If 0 isn't a number, then seriously, what's 1-1? Add up all the places you can't find elephants, then add up all the places you can find them. Or add up how many things you don't have, then add up everything you do have. What does this supposed pa...
by MartianInvader
Tue Nov 05, 2013 9:13 pm UTC
Forum: News & Articles
Topic: No Vans Land.
Replies: 16
Views: 3010

Re: No Vans Land.

Derek wrote: But libertarianism is not "free markets when the businesses want it", it's "free markets all the time".

Wait, I don't get it. Who enforces the free market when businesses don't want it?
by MartianInvader
Thu Oct 10, 2013 10:30 pm UTC
Forum: Mathematics
Topic: Planning a Prime Number Party
Replies: 9
Views: 2948

Re: Planning a Prime Number Party

Another possible configuration would be something like 5-7-11-13-29.
by MartianInvader
Thu Oct 10, 2013 9:45 pm UTC
Forum: News & Articles
Topic: Debt Ceiling Round 3? 4?
Replies: 340
Views: 32176

Re: Debt Ceiling Round 3? 4?

Fun article listing the 9 companies that now have more cash-on-hand than the US government:

http://qz.com/134093/all-of-these-compa ... overnment/
by MartianInvader
Wed Oct 09, 2013 11:36 pm UTC
Forum: News & Articles
Topic: Debt Ceiling Round 3? 4?
Replies: 340
Views: 32176

Re: Debt Ceiling Round 3? 4?

Here's the funny thing, nobody is mentioning The Affordable Care Act anymore. The GOP is demanding that the Democrats negotiate instead. They probably still object to it, but it's really strange that nobody wants to talk about the original cause of the brinksmanship. Well, which message do you thin...
by MartianInvader
Wed Oct 09, 2013 11:31 pm UTC
Forum: News & Articles
Topic: Lord Sugar accused of racist tweet.
Replies: 87
Views: 12659

Re: Lord Sugar accused of racist tweet.

If you posted a picture of me, a Martian, in which I was holding a pink slip and crying because I lost my job, and tweeted it saying "He's crying because he can't find water", I would find it demeaning. You've taken an image of me, and essentially asserted that the only important thing in ...
by MartianInvader
Tue Oct 08, 2013 8:34 pm UTC
Forum: News & Articles
Topic: Lord Sugar accused of racist tweet.
Replies: 87
Views: 12659

Re: Lord Sugar accused of racist tweet.

Soooo... reducing people to nothing more than representatives of their race is fine, as long as it's topical?
by MartianInvader
Tue Oct 08, 2013 8:04 pm UTC
Forum: News & Articles
Topic: Lord Sugar accused of racist tweet.
Replies: 87
Views: 12659

Re: Lord Sugar accused of racist tweet.

To take some random cute picture of a Chinese kid wearing watermelon rind like clothing and subvert it to talk about issues in China? That's racist. The kid is not a child laborer, and the picture was clearly a "my cute kid" picture and had nothing to do with Foxconn. The ONLY reason this ...
by MartianInvader
Mon Sep 30, 2013 10:56 pm UTC
Forum: Mathematics
Topic: Geometry: A line is defined?
Replies: 16
Views: 2848

Re: Geometry: A line is defined?

Meh, that's true of any subject. Mathematicians are just more open about it.
by MartianInvader
Wed Sep 25, 2013 11:44 pm UTC
Forum: Mathematics
Topic: Question about homotopy groups
Replies: 3
Views: 1194

Re: Question about homotopy groups

If I'm trying to use a universal cover, I get a space equivalent to an uncountable wedge of 2-spheres, but as far as I know there's no method for calculating the homotopy groups of that. Uncountable? That sounds wrong. The space clearly has a countable fundamental group, thus its universal cover sh...
by MartianInvader
Wed Sep 25, 2013 11:35 pm UTC
Forum: Mathematics
Topic: Cardinality of the complex numbers
Replies: 41
Views: 9118

Re: Cardinality of the complex numbers

Space-filling curves are cool because they're continuous, but you don't really need something that complicated if you're only worried about cardinality. Just map (0,1)^2 to (0,1) by interleaving the decimal expansions, and then spend two pages explaining what to do about infinite sequences of traili...
by MartianInvader
Wed Sep 25, 2013 11:31 pm UTC
Forum: Mathematics
Topic: Geometry: A line is defined?
Replies: 16
Views: 2848

Re: Geometry: A line is defined?

It's worth noting that in modern mathematics, lines are no longer axiomatic objects, and have very specific definitions (though there are several equivalent ways to define a line).
by MartianInvader
Wed Sep 25, 2013 10:28 pm UTC
Forum: News & Articles
Topic: Debt Ceiling Round 3? 4?
Replies: 340
Views: 32176

Re: Debt Ceiling Round 3? 4?

So now Ted Cruz has spent 24 hours "filibustering" the senate: http://www.chicagotribune.com/news/chi-ted-cruz-speech-20130925,0,5472701.story It wasn't a real filibuster, as there was a time limit, but I still can't see the logic here - he wants to defund The Affordable Care Act, and so h...
by MartianInvader
Wed Sep 04, 2013 12:26 am UTC
Forum: Mathematics
Topic: The Tau Manifesto
Replies: 165
Views: 39468

Re: The Tau Manifesto

All these posts supporting tau seem to have this underlying (false) assumption that circle arclength is the be-all, end-all of what pi is.

So I guess I'd sum up my resistance to tau in the following way: What arguments for tau exist that don't involve arclength on a circle?
by MartianInvader
Sat Aug 31, 2013 10:09 pm UTC
Forum: News & Articles
Topic: State enacts single-payer system. Sky not yet falling.
Replies: 31
Views: 5264

Re: State enacts single-payer system. Sky not yet falling.

It seems that, at least, the for-profit privately run insurance system, that would normally support such a clinic is being replaces with a state-run system (ie taxes).
by MartianInvader
Fri Aug 30, 2013 9:19 pm UTC
Forum: What If?
Topic: What-if 0060: "Signs of Life"
Replies: 71
Views: 20180

Re: What-if 0060: "Signs of Life"

Shouldn't it be super easy to generate random coordinates on a sphere just by using the fact that all horizontal slices (edit: OF EQUAL HEIGHT :P) have the same area? So just choose a height uniformly from -1 to 1, then choose a longitude uniformly at random?
by MartianInvader
Thu Aug 29, 2013 9:35 pm UTC
Forum: Mathematics
Topic: basic doubt about groups
Replies: 19
Views: 4566

Re: basic doubt about groups

Wait, there are schools of thought out there in which the integers aren't a cyclic group?
by MartianInvader
Sat Aug 24, 2013 12:08 am UTC
Forum: News & Articles
Topic: Ballmer stepping down as CEO of Microsoft
Replies: 85
Views: 13635

Re: Ballmer stepping down as CEO of Microsoft

You can sum up Microsoft's woes in one word: Mobile. Microsoft primarily makes their money through software, mostly via Windows and their Office products. The problem is, that software doesn't run on iOS or Android, which are quickly eating up sales of traditional PCs. This is why they've been tryin...
by MartianInvader
Thu Aug 15, 2013 10:07 pm UTC
Forum: Mathematics
Topic: basic doubt about groups
Replies: 19
Views: 4566

Re: basic doubt about groups

If you're very new to group theory, some more-familiar examples might be the rational, real, or complex numbers under addition, or the nonzero rational, real, or complex numbers under multiplication.
by MartianInvader
Thu Aug 01, 2013 9:50 pm UTC
Forum: Mathematics
Topic: relation which is symmetric, reflexive but not transitive?
Replies: 20
Views: 20025

Re: relation which is symmetric, reflexive but not transitiv

I think the standard example is "A has slept with B".
by MartianInvader
Mon Jul 29, 2013 11:17 pm UTC
Forum: News & Articles
Topic: In other news... (humorous news items)
Replies: 14040
Views: 1926090

Re: In other news... (humorous news items, etc)

Happiness via doing drugs isn't sustainable, and so results in less happiness in the long term. Unless that drug is sustainable like caffeine, in which case, well, the masses have spoken.

We should really just build a giant computer to figure out how to maximize total happiness, right?
by MartianInvader
Sun Jul 28, 2013 8:18 pm UTC
Forum: Mathematics
Topic: How to convince a friend the equivalence of infinite sets
Replies: 32
Views: 7160

Re: How to convince a friend the equivalence of infinite set

There's a very reasonable definition of "the same size" under which the areas beneath y=x and y=2x are the same size. There's also a very reasonable definition of "the same size" under which the areas beneath y=x and y=2x are not the same size. The real trick here is that you're ...
by MartianInvader
Fri Jul 26, 2013 11:23 pm UTC
Forum: Mathematics
Topic: Infinite field over the finite strings?
Replies: 15
Views: 3601

Re: Infinite field over the finite strings?

Do you require anything of the mapping from field elements to strings? Is there a reason we can't just map all the non-string elements to the letter "a", for example?
by MartianInvader
Thu Jul 25, 2013 11:22 pm UTC
Forum: Mathematics
Topic: A mind boggling riddle involving the Axiom of Choice
Replies: 79
Views: 15288

Re: A mind boggling riddle involving the Axiom of Choice

I have a question. Suppose the mathematicians have already fixed their strategy - that is, they've already used AoC, and they've already got their set of representatives. Suppose further that we choose some distribution to pick the real numbers from - say say choose them all independently and unifor...
by MartianInvader
Thu Jul 25, 2013 9:11 pm UTC
Forum: Mathematics
Topic: Infinite field over the finite strings?
Replies: 15
Views: 3601

Re: Infinite field over the finite strings?

There's something wrong with what you're describing as "elements being rational numbers". You seem to be assigning each string to an integer. If your finite alphabet is "a" and "b", which you give the values 1 and 0 respectively, it seems like "ab" would corre...
by MartianInvader
Sun Jul 21, 2013 7:18 pm UTC
Forum: Mathematics
Topic: A mind boggling riddle involving the Axiom of Choice
Replies: 79
Views: 15288

Re: A mind boggling riddle involving the Axiom of Choice

Keep in mind that when each mathematician guesses, he doesn't actually know if he's guessing in the tail or the head. He knows where the head stops and the tail ends for everyone else's sequences, since he opened those boxes, but when he opens his own, he's just hoping that his head isn't longer tha...
by MartianInvader
Tue Jul 16, 2013 7:25 pm UTC
Forum: Mathematics
Topic: Abelian group that isn't the additive group of a ring?
Replies: 6
Views: 2512

Re: Abelian group that isn't the additive group of a ring?

Note that that answer is for when you're requiring your ring to have a multiplicative identity. If you're not you can always create the ring structure by defining all products to be zero :)
by MartianInvader
Tue Jul 09, 2013 12:08 am UTC
Forum: News & Articles
Topic: NSA Spying Internationally, Cooperates with UK, Can, Aus, NZ
Replies: 64
Views: 11257

Re: NSA Spying Internationally, Cooperates with UK, Can, Aus

Nobody thinks you're a threat, direct or otherwise. They're spying on you because they're spying on everybody. And it seems that spying on everybody is indeed "outsourced", as you describe.
by MartianInvader
Mon Jul 08, 2013 11:34 pm UTC
Forum: News & Articles
Topic: NSA Spying Internationally, Cooperates with UK, Can, Aus, NZ
Replies: 64
Views: 11257

Re: NSA Spying Internationally, Cooperates with UK, Can, Aus

This thread is about domestic spying is being technically labeled as international spying so the agencies doing it can get away with it. If you're in the US, the NSA isn't allowed to spy on you directly, but they read all the data the UK has gotten from spying on you. In return, they give UK agencie...
by MartianInvader
Tue Jun 25, 2013 9:39 pm UTC
Forum: Mathematics
Topic: Where can I find a list of algorithms in big o notation
Replies: 7
Views: 2147

Re: Where can I find a list of algorithms in big o notation

137? 1836? But, 13-7-1836 (July 7th, 1836) is the date of the filing of US Patent #1! No wonder politicians are so reluctant to change the patent system - it's part of conspiracy involving particle physics!
by MartianInvader
Tue Jun 11, 2013 9:38 pm UTC
Forum: News & Articles
Topic: PRISM: NSA access to big tech companies because trrrrists
Replies: 240
Views: 78828

Re: PRISM: NSA access to big tech companies because trrrrist

I agree that the NSA and government in general has way too much power to spy on people, and that it should be curtailed and made more transparent. I just think that arguments to this effect should use facts that are, you know, true.
by MartianInvader
Tue Jun 11, 2013 7:18 pm UTC
Forum: News & Articles
Topic: PRISM: NSA access to big tech companies because trrrrists
Replies: 240
Views: 78828

Re: PRISM: NSA access to big tech companies because trrrrist

So, apprently the article was bullshit . It seems that the Washington Post was over-eager in jumping to conclusions about "willing participation" and "direct access". In fact, it seems PRISM is just the legal framework the NSA uses to issue requests for data about specific users ...
by MartianInvader
Mon Jun 10, 2013 5:21 pm UTC
Forum: News & Articles
Topic: PRISM: NSA access to big tech companies because trrrrists
Replies: 240
Views: 78828

Re: PRISM: NSA access to big tech companies because trrrrist

I'm still a little skeptical that PRISM really is what the article says it is. The fact that the timeline lists YouTube and Skype as "companies" certainly makes me raise an eyebrow, and makes me think that there's some misinformation (either via intention or incompetence) going on here. Th...

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