Search found 3154 matches

by Eebster the Great
Wed Oct 20, 2010 7:24 am UTC
Forum: Science
Topic: Elephant Toothpaste Prank
Replies: 13
Views: 2712

Re: Elephant Toothpaste Prank

hot , caustic material I think you seriously overestimate the energy released in this reaction. Consider videos like this one where children are standing right next to the bubbling reaction on TV. There's no way the foam would be hot enough to burn you, it's the raw peroxide I'm worried about. Also...
by Eebster the Great
Wed Oct 20, 2010 7:09 am UTC
Forum: Mathematics
Topic: Disguised forms of 2
Replies: 114
Views: 12220

Re: Disguised forms of 2

chapel wrote:[math]\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{...}}}}}}[/math]

This actually has two real solutions (one being exactly 2 and the other about 4) and infinite complex solutions.
by Eebster the Great
Wed Oct 20, 2010 7:04 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0808: "The Economic Argument"
Replies: 558
Views: 88609

Re: 0808: The Economic Argument

David, there actually was some investor who bought out the Powerball lottery once. I don't remember his name. The biggest difficulty was of course in buying all the tickets. For reasons I can't really remember (I think some of the machines didn't work or a store didn't open) a large batch of tickets...
by Eebster the Great
Wed Oct 20, 2010 5:52 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0808: "The Economic Argument"
Replies: 558
Views: 88609

Re: 0808: The Economic Argument

I personally think that something such as an aura may exist. However, like electricity and people in the medieval ages (watch as somebody provides an example showing people back then understood electricity), we have no clue what we are doing and, like Calgary drivers, people should have their licen...
by Eebster the Great
Wed Oct 20, 2010 5:45 am UTC
Forum: Science
Topic: Elephant Toothpaste Prank
Replies: 13
Views: 2712

Elephant Toothpaste Prank

So there is a rivalry between dorms on my campus and we are seriously in need of ideas for pranks. I was inspired by Braniac to consider the hydrogen peroxide and potassium iodide reaction sometimes called "Elephant's Toothpaste." For those who haven't heard of this reaction, the KI essent...
by Eebster the Great
Wed Oct 20, 2010 5:23 am UTC
Forum: Language/Linguistics
Topic: Regional Dialect and Idiolect Oddities (pronunciation)
Replies: 941
Views: 252795

Re: Regional Dialect and Idiolect Oddities (pronunciation)

My sister-in-law-elect is from Milan (My-lan) Indiana. Near Versailles (Ver-sails). And nearly every state has a Cairo (Kay-ro) Yes but in most states they pronounce it like kuy-ro. That is, after all, the most common anglicization of Cairo. I mean, we do generally anglicize foreign city names (lik...
by Eebster the Great
Wed Oct 20, 2010 12:40 am UTC
Forum: Hardware
Topic: Why do keyboards still have a Scroll Lock button?
Replies: 55
Views: 9808

Re: Why do keyboards still have a Scroll Lock button?

At least SysRq might just be on its way out. But that is also my Print Screen button. :( Yeah, I have a feeling the actual key won't change at all, they will just stop printing "Sys Rq" on it and Sys Rq will turn into some sort of token that you can send with Alt + Print Screen. Not reall...
by Eebster the Great
Tue Oct 19, 2010 10:01 pm UTC
Forum: Language/Linguistics
Topic: Regional Dialect and Idiolect Oddities (pronunciation)
Replies: 941
Views: 252795

Re: Regional Dialect and Idiolect Oddities (pronunciation)

masakatsu wrote:In Georgia, they get insane.

I live in Mart-in-ez, spelled Martinez.
One of my research partner's wife is from Al-Bane-ee, spelled Albany

Wow, that's even worse than Notre Dame and Des Moines.
by Eebster the Great
Tue Oct 19, 2010 3:06 am UTC
Forum: Mathematics
Topic: How do you interpret "a*b/c*d"
Replies: 21
Views: 2525

Re: How do you interpret "a*b/c*d"

gmalivuk wrote:Sure, but the scope of \over in LaTeX has pretty much nothing to do with the scope of / in ASCII.

Well jobriath did say it was slightly off topic . . .
by Eebster the Great
Mon Oct 18, 2010 10:45 pm UTC
Forum: Science
Topic: Memorable science experiments from grades 9 or 10.
Replies: 30
Views: 3503

Re: Memorable science experiments from grades 9 or 10.

In one of my high school chemistry classes (eleventh grade, though) day one involved playing catch barehanded with flaming snowballs. At least that was how we described it to other students afterward. It was some kind of alcohol-based compound that looked like snow and burned easily but not very ho...
by Eebster the Great
Mon Oct 18, 2010 10:29 pm UTC
Forum: Fictional Science
Topic: What is the weight of a gold?
Replies: 45
Views: 8442

Re: Infinate money?

Would this work: Buy gold at central america go to Alaska (ignoring transportation costs) *since there is ~ 43 more kilometers of crust @ the equator than @ the poles, each kg of gold will weigh a bit more* sell gold at alaska go back to central america (ignoring transportation costs) repeat Troll ...
by Eebster the Great
Mon Oct 18, 2010 9:28 pm UTC
Forum: Mathematics
Topic: How do you interpret "a*b/c*d"
Replies: 21
Views: 2525

Re: How do you interpret "a*b/c*d"

And this is a slightly off-topic elaboration: ... LaTeX sees it as (a*b)/(c*d). What exactly do you mean by this? I don't see anything in the typesetting of a*b/c*d to suggest a particular operator precedence... But LaTeX does interpret a b \over c d as a b \over c d . That's just how \over works. ...
by Eebster the Great
Mon Oct 18, 2010 1:03 am UTC
Forum: Mathematics
Topic: Time. 6:30 or 6.30?
Replies: 25
Views: 3110

Re: Time. 6:30 or 6.30?

dd:hh:mm:ss.sss is the way to go.
by Eebster the Great
Sun Oct 17, 2010 4:58 pm UTC
Forum: Hardware
Topic: Why do keyboards still have a Scroll Lock button?
Replies: 55
Views: 9808

Re: Why do keyboards still have a Scroll Lock button?

Kimmo wrote:Probably? Certainly.

If you have keys on your keyboard you don't want, I can't see the problem.

In my case, those keys are taking up space that other keys could occupy, but in any case, who wants gaping holes in their keyboard?
by Eebster the Great
Sat Oct 16, 2010 12:51 pm UTC
Forum: Religious Wars
Topic: Internet Explorer 9
Replies: 79
Views: 14584

Re: Internet Explorer 9

That said, flying sheep, you're totally wrong. Those tests *do* matter. It's *extremely* important that everyone work the same as much as possible, or else we'll always be playing the painful compatibility dance. You have to hand it to the IE guys - they're doing better on support for base CSS than...
by Eebster the Great
Fri Oct 15, 2010 1:01 am UTC
Forum: Hardware
Topic: Why do keyboards still have a Scroll Lock button?
Replies: 55
Views: 9808

Re: Why do keyboards still have a Scroll Lock button?

I can't say I use Scroll Lock much. I use Win-Break a lot to access system information, though. On a related note, of what use is a big-ass 'POWER' button doing hanging up there where you just know you're going to mash it in the middle of editing a document and trying to navigate in it and your sys...
by Eebster the Great
Fri Oct 15, 2010 12:57 am UTC
Forum: Language/Linguistics
Topic: Think Before Naming Your Child
Replies: 1622
Views: 330967

Re: Think Before Naming Your Child

Am I the only one who think Lady Aiya is an obvious troll? She's a new user with only two posts, both of which seem calculated to inflame. I suppose it's possible that she's just dumb and unlucky, but Occam's razor seems to point to trolling. At this point posting about the La-a story in this threa...
by Eebster the Great
Thu Oct 14, 2010 3:10 pm UTC
Forum: Mathematics
Topic: How do you interpret "a*b/c*d"
Replies: 21
Views: 2525

Re: How do you interpret "a*b/c*d"

skeptical scientist wrote:
jobriath wrote:And this is a slightly off-topic elaboration: ... LaTeX sees it as (a*b)/(c*d).

What exactly do you mean by this? I don't see anything in the typesetting of a*b/c*d to suggest a particular operator precedence...

But LaTeX does interpret a b \over c d as [imath]a b \over c d[/imath]. That's just how \over works.
by Eebster the Great
Wed Oct 13, 2010 6:18 am UTC
Forum: Mathematics
Topic: Integrals over an infinite interval.
Replies: 8
Views: 1498

Re: Integrals over an infinite interval.

Improper integrals are the way to go, followed by limit taking. That doesn't mean you can always explicitly evaluate it though. Trying to integrate the normal curve for example is gonna spawn an error function, which you can only approximate numerically, which is why tables exist when dealing with ...
by Eebster the Great
Wed Oct 13, 2010 6:16 am UTC
Forum: Mathematics
Topic: How do you interpret "a*b/c*d"
Replies: 21
Views: 2525

Re: How do you interpret "a*b/c*d"

BEDMAS (or PEMDAS, depending on your education) exists for this reason. Multiplication and division have the same "weight", so it's simply read left-to-right. a/b*c = (a/b)*c The only problem with PEMDAS is that exponentiation - and tetration, as well - are right-to-left. 2^3^5=1413477651...
by Eebster the Great
Wed Oct 13, 2010 6:09 am UTC
Forum: Mathematics
Topic: Disguised forms of 2
Replies: 114
Views: 12220

Re: Disguised forms of 2

sec(arctan(sec(arctan(sec(arctan(sec(arctan(0)))))))) = 2
by Eebster the Great
Wed Oct 13, 2010 12:36 am UTC
Forum: Science
Topic: Bullet drop
Replies: 25
Views: 2586

Re: Bullet drop

Besides, Americans don't "struggle with terrorists" in terms of relative deaths, just absolute deaths. Many, many more Afghan soldiers and terrorists have died than Americans despite them having "home court advantage" so to speak.
by Eebster the Great
Mon Oct 11, 2010 1:37 pm UTC
Forum: Logic Puzzles
Topic: Straw power
Replies: 42
Views: 8441

Re: Straw power

This may be a breach of the rules of the riddle but if you are allowed to bring a significant mass (say a giant lead sphere) and were somehow able to move it you could place the mass behind the sandbag (on the side opposite of the bottle) to get it swinging via gravity (no particles at all touching...
by Eebster the Great
Mon Oct 11, 2010 1:32 pm UTC
Forum: Science
Topic: Bullet drop
Replies: 25
Views: 2586

Re: Bullet drop

I would like to add that entirely new bullets would have to be designed that can accurately arc. Current bullets will tend to wobble all over the place on the way down from even a slightly steep arc, so that really wouldn't be acceptable. You'd get better accuracy with a musketball. But I'm sure des...
by Eebster the Great
Mon Oct 11, 2010 11:43 am UTC
Forum: Hardware
Topic: Laptop CPU
Replies: 13
Views: 1969

Re: Laptop CPU

Couldn't parallelism be accomplished with message-passing, or is that too slow? The challenge of parallelizing something lies in breaking it up into multiple mostly-independent tasks. The manner in which those tasks coordinate is an implementation detail. For most games there are individual units o...
by Eebster the Great
Mon Oct 11, 2010 7:25 am UTC
Forum: Mathematics
Topic: Seperate branch for indeterminate
Replies: 16
Views: 1467

Re: Seperate branch for indeterminate

(0*1)/(1*0)= (0* infinity) You are correct man. But 0 can be written as n/Infinity { where n is any number } So 0*infinity=(n/infinity)*infinity= infinity/infinity (As n*infinity = infinity) Also you sh'd knw that 0*infinity too is a indeterminate so is(0^0 & (infinity^infinity)) Even in the pr...
by Eebster the Great
Mon Oct 11, 2010 7:14 am UTC
Forum: Hardware
Topic: Laptop CPU
Replies: 13
Views: 1969

Re: Laptop CPU

They aren't. Multi core programming is not trivial. Most people don't use multiple cores on a regular basis anyway. Games already get a graphics card to act as a second core; I suppose it's possible to use more than one core if you're playing against a super sophisticated AI and using heavy network...
by Eebster the Great
Sun Oct 10, 2010 8:40 am UTC
Forum: Religious Wars
Topic: Internet Explorer 9
Replies: 79
Views: 14584

Re: Internet Explorer 9

I would give it some credit. It is currently outperforming Mozilla on Acid3 in beta and now supports all CSS 3.0 selectors and some HTML 5. And let's face it, they're coming a long way from IE8 in a short time.
by Eebster the Great
Sun Oct 10, 2010 8:31 am UTC
Forum: Hardware
Topic: external hard drive help?
Replies: 9
Views: 1935

Re: external hard drive help?

It's probably best to always plug both connectors in, even if the drive initially seems to work fine with one, because (in my experience) it might turn out that it's less than 100% reliable on one connector. It will certainly run much slower with only USB x1 power (unless you got one of those fancy...
by Eebster the Great
Sun Oct 10, 2010 8:25 am UTC
Forum: Hardware
Topic: Laptop CPU
Replies: 13
Views: 1969

Re: Laptop CPU

I'm expecting to play/use: DA:O/2 Assassin's Creed Oblivion Visual Studio Minecraft (YEAA) Portal1+2 (When it comes out) DMC3+4 Guild Wars And so on. Basically mid to mid-high range games. I'm pretty sure it should be able to run them well enough. It was tested on Crysis on Medium settings, got abo...
by Eebster the Great
Thu Oct 07, 2010 2:23 pm UTC
Forum: Hardware
Topic: Mac Book pro 15.5 i5
Replies: 37
Views: 3094

Re: Mac Book pro 15.5 i5

Firewire has various other benefits over USB besides speed. Chiefly these are daisy chaining and higher voltage bus power. While these are immaterial for consumer uses, they become very important in various professional settings. If I want to power several microphones from an audio interface withou...
by Eebster the Great
Thu Oct 07, 2010 6:45 am UTC
Forum: Hardware
Topic: Why do keyboards still have a Scroll Lock button?
Replies: 55
Views: 9808

Re: Why do keyboards still have a Scroll Lock button?

On my new (super cheapo) keyboard, there is a fucking extra backslash key between my left alt and my spacebar. WTF? How many times do I need to type backslash? It's already enough in the way being 50% wider than most keys and directly between Enter and Backspace, but this addition is just ridiculou...
by Eebster the Great
Thu Oct 07, 2010 6:43 am UTC
Forum: Hardware
Topic: Mac Book pro 15.5 i5
Replies: 37
Views: 3094

Re: Mac Book pro 15.5 i5

Jplus wrote:Still, I think a valid point can be made that while USB 3 offers six times the theoretical maximum transfer rate of FW800, it doesn't perform much better in practice.

Give it time. SSUSB adoption has been very slow.
by Eebster the Great
Thu Oct 07, 2010 6:40 am UTC
Forum: Science
Topic: Experimental or observational proofs of other dimensions
Replies: 17
Views: 1981

Re: Experimental or observational proofs of other dimensions

The best analogy I have heard I think was first presented by Klein himself when proposing his 5-dimensional unification scheme for EM and gravity (the only two known forces at the time). Consider a telephone cord. To a large observer like us, it may appear to be just one dimensional. It has only len...
by Eebster the Great
Wed Oct 06, 2010 9:14 pm UTC
Forum: Hardware
Topic: Mac Book pro 15.5 i5
Replies: 37
Views: 3094

Re: Mac Book pro 15.5 i5

You made one little bee and one large Bee. Apparently you intended the first one to be a large Bee as well, but actually the small bee is what would be correct. The article that you linked to is erroneously writing large Bees instead of small ones. You're right, it was my typo. But you are wrong ot...
by Eebster the Great
Wed Oct 06, 2010 4:43 pm UTC
Forum: Hardware
Topic: Mac Book pro 15.5 i5
Replies: 37
Views: 3094

Re: Mac Book pro 15.5 i5

TL;DR: I'd like to see these numbers. E: This test from January had USB 3.0 transferring over 135 Mb/s on a Buffalo HDD and over 205 MB/s on an SSD. It was in relatively sterile conditions, though. Buffalo HDD: 135 Mb/s FW800: 800 Mb/s (Seagate Barracuda 7200.12 1TB: 125 Mb/s. Too lazy to provide a...
by Eebster the Great
Wed Oct 06, 2010 12:58 am UTC
Forum: Hardware
Topic: Mac Book pro 15.5 i5
Replies: 37
Views: 3094

Re: Mac Book pro 15.5 i5

For as far as I know, there are no HDDs specially "built for macs". My iMac shipped with a perfectly normal WD Caviar Blue, and if I'd done an upgrade on order it would probably just have been a larger Caviar Blue. So the deal with "HDDs for mac being more expensive" is only tha...
by Eebster the Great
Wed Oct 06, 2010 12:16 am UTC
Forum: Mathematics
Topic: Math: Fleeting Thoughts
Replies: 408
Views: 132466

Re: Math: Fleeting Thoughts

I think pretty much the reason we have logarithms is
1. inverse exponential
2. integral of 1/x
3. multiply-add

The third is becoming much less significant as time goes on.
by Eebster the Great
Wed Oct 06, 2010 12:14 am UTC
Forum: Language/Linguistics
Topic: Combining Contractions
Replies: 20
Views: 3498

Re: Combining Contractions

In any case, is there anything in particular that makes you think this was the author using it himself, rather than imitating an uneducated person's speech as dictionary.com suggests? No, I am fairly certain the author was imitating an uneducated person's speech. The prose was too formal to use con...
by Eebster the Great
Tue Oct 05, 2010 11:58 pm UTC
Forum: Science
Topic: Facepalm TV / Doing It Wrong
Replies: 553
Views: 58724

Re: Facepalm TV / Doing It Wrong

I would like to note that the biggest source of confusion on the "airplane on a treadmill" problem is a misinterpretation of the problem (or vague statement of problem) rather than a misunderstanding of physics.

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