Search found 175 matches

by peregrine_crow
Mon Jul 31, 2017 12:04 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 317
Views: 24871

Re: What happen when you remove Entropy?

In my current understanding, Entropy is the mathematically fundamental nature of all thing in the world,that, since it's make sure all possiblity are treated relatively equal (or rather the result of probabilty is the cause of entropy), is the reason why thing cool, people spread, and the universe'...
by peregrine_crow
Fri Jul 21, 2017 9:45 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1866: "Russell's Teapot"
Replies: 78
Views: 4232

Re: 1866: "Russell's Teapot"

[Title Text] Unfortunately, NASA regulations state that Bertrand Russell-related payloads can only be launched with launch vehicles that do not launch themselves. I'm going to admit, the only reason I am starting this thread is for someone to explain the title text. I think this is a reference to P...
by peregrine_crow
Thu Jul 13, 2017 2:29 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 317
Views: 24871

Re: Science-based what-if questions

On a more humorous note, have you given consideration to the idea if you could do this efficiently on a small scale you could make sewer pipes obsolete, not to mention toilets as we experience them. If you have access to portal gun technology, making sewers obsolete is setting the bar really, reall...
by peregrine_crow
Wed Jul 12, 2017 2:55 pm UTC
Forum: Fictional Science
Topic: What if there was an Alien Invasion?
Replies: 86
Views: 2443

Re: What if there was an Alien Invasion?

Our "bloodlust" provides some pretty obvious evolutionary advantages... For us, of course. It's foolish to assume this path would be followed by another intelligent lifeform, imo. Uh no, not just for us, for any species that competes over limited resources. If you have a society of a spec...
by peregrine_crow
Wed Jul 12, 2017 11:58 am UTC
Forum: Fictional Science
Topic: What if there was an Alien Invasion?
Replies: 86
Views: 2443

Re: What if there was an Alien Invasion?

Hmm, how likely would that be? I think it would require either no scarcity, a single entity or no self-preservation –implying a method of evolution unlike we know. I'd say it'd be extremely likely that they don't share our bloodlust. Our "bloodlust" provides some pretty obvious evolutiona...
by peregrine_crow
Thu Jul 06, 2017 9:51 am UTC
Forum: Science
Topic: Would you go blind if you became invisible?
Replies: 65
Views: 13217

Re: Would you go blind if you became invisible?

Another solution to the whole problem is to just have the magical gizmo that makes you invisible also telepathically send you an image of what you would see if your eyes were not invisible (or alternatively, it granting you the ability to see without eyes). That requires handwaving away the problem ...
by peregrine_crow
Tue Jun 13, 2017 2:44 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1849: "Decades"
Replies: 89
Views: 5846

Re: 1849: "Decades"

Around here people seemed to have settled on referring to those decades as the zeroes and the tens. I know one person who thinks the noughties is hilarious and insists on using that, but other than that I haven't heard any of the alternatives in quite a while.
by peregrine_crow
Wed Feb 01, 2017 2:27 pm UTC
Forum: Science
Topic: Newton's shell theorem with negative mass
Replies: 12
Views: 1864

Re: Newton's shell theorem with negative mass

Flumble wrote:How would it violate anything? As a closed system it's in perfect equilibrium. :)

That appears to be the case, yes, so can we now do the magnet attached to a pole attached to a train thing and have it actually work (in deep space at least)?
by peregrine_crow
Wed Feb 01, 2017 2:17 pm UTC
Forum: Science
Topic: Newton's shell theorem with negative mass
Replies: 12
Views: 1864

Re: Newton's shell theorem with negative mass

No, the -1kg object will fall down. The difference is that actually the 10kg object hits the earth faster than the 1kg object since the earth falls towards the 10kg object faster. Likewise, while the -1kg object is falling down, the earth is falling in the same direction, (so away from the -1kg obj...
by peregrine_crow
Wed Feb 01, 2017 11:59 am UTC
Forum: Science
Topic: Newton's shell theorem with negative mass
Replies: 12
Views: 1864

Re: Newton's shell theorem with negative mass

One of the most important properties of gravity, and one which was not properly understood until the dawn of general relativity was the fact that all bodies are affected equally by gravity in the sense that they all experience the same acceleration. Not super relevant to Matt_Rethyu's question, but...
by peregrine_crow
Fri Jan 13, 2017 2:55 pm UTC
Forum: Fictional Science
Topic: Real one way glass
Replies: 27
Views: 3404

Re: Real one way glass

Inverting gmalivuk suggestion, we could also use this to passively cool stuff. Make a sphere out of it with the reflective side on the outside and whatever is inside should reach absolute zero eventually (possibly after an infinite amount of time). Alternatively, you could make a heat shield out of ...
by peregrine_crow
Tue Nov 08, 2016 9:45 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1756: "I'm With Her"
Replies: 446
Views: 55262

Re: 1756: "I'm With Her"

we're having our own problems with idiots of the "build a wall" variety here in the Netherlands I thought most of your dry land was created by building walls. I'll admit, I laughed :P I think people ignore that a major reason for opposing a switch in our voting system is that FPTP isn't a...
by peregrine_crow
Tue Nov 08, 2016 4:51 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1756: "I'm With Her"
Replies: 446
Views: 55262

Re: 1756: "I'm With Her"

... As mentioned you give more niche ideas a bigger podium Do you mean "bigger podium than in a two-party system"? Because I didn't mean/mention "a bigger podium than their proportional representation". But yes, it is true that niche/extreme ideas get a larger podium than they p...
by peregrine_crow
Tue Nov 08, 2016 1:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1756: "I'm With Her"
Replies: 446
Views: 55262

Re: 1756: "I'm With Her"

Striking a blow for multiparty systems: In Germany, we've been having a rather stable 5-6 party system for the last couple of decades. Recently, it has been fragmenting a bit, but it's still overseeable. And it works reasonably well. There's an electoral threshold of 5% of the popular vote a party ...
by peregrine_crow
Sun Jun 12, 2016 6:53 pm UTC
Forum: Science
Topic: Reversing entropy with unlimited energy
Replies: 9
Views: 2568

Reversing entropy with unlimited energy

I was recently in a discussion over at r/askscience about whether we could reverse entropy given a limitless source of usable energy. That discussion didn't really manage to make it click for me, so I figured I'd ask about it here. The context for the discussion was the idea that since energy is not...
by peregrine_crow
Mon May 23, 2016 2:05 pm UTC
Forum: Science
Topic: Expected oldest person in history
Replies: 32
Views: 6133

Re: Expected oldest person in history

There is also the fact that the world population has been increasing pretty significantly over the past couple centuries. If we assume that there is one person over 120 years of age alive today (not true as far as we know) that is 1 in ~7*10^9. If we take the 93% from https://what-if.xkcd.com/27/ as...
by peregrine_crow
Fri Mar 04, 2016 8:37 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1650 "Baby"
Replies: 75
Views: 8535

Re: 1650 "Baby"

"Crude Birth Rate" (https://en.wikipedia.org/wiki/Birth_rate) But ijuin was close enough. Ah, ok, yes that does make more sense than babies somehow causing cosmic background radiation. Cosmic Baby Radiation was my assumption. That's actually funnier, imho. They are such hot and sweaty lit...
by peregrine_crow
Thu Mar 03, 2016 11:23 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1650 "Baby"
Replies: 75
Views: 8535

Re: 1650 "Baby"

Heimhenge wrote:Oh great ... we were just starting to make some progress reducing the CBR, and now look what you've gone and done.

Does CBR stands for something other than cosmic background radiation or am I missing a joke here?
by peregrine_crow
Wed Feb 10, 2016 2:06 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1641: "Hot Dogs"
Replies: 49
Views: 7361

Re: 1641: "Hot Dogs"

It (the original conundrum) is obviously to keep a variant of this cycle going.
by peregrine_crow
Tue Jan 12, 2016 3:51 pm UTC
Forum: Science
Topic: The Argument from Contingency
Replies: 42
Views: 3780

Re: The Argument from Contingency

Reading the description of that argument you linked I think the creation of this argument went something like this: "When we do the old 'Something must be at the beginning of the chain=>God' argument others point out that the "what caused it" argument applies to God too." "...
by peregrine_crow
Tue Dec 08, 2015 12:31 pm UTC
Forum: Science
Topic: Could we save the sun?
Replies: 18
Views: 2276

Re: Could we save the sun?

At the time the Sun starts expanding, it's only burned a small fraction of its hydrogen. It's just that helium is heavier, so it sinks to the center and gradually overwhelms the fusion. If you can "stir" the sun with some giant magnetic fields you can restore it to a youthful state; this ...
by peregrine_crow
Mon Dec 07, 2015 12:20 pm UTC
Forum: Science
Topic: Could we save the sun?
Replies: 18
Views: 2276

Could we save the sun?

Imagine that it is a couple billion years in the future, humanity is still around and has long since become an interstellar civilization, but now the sun is nearing the end of its main sequence phase and is threatening to wipe out life on earth. We could just pack our stuff and leave (interstellar c...
by peregrine_crow
Mon Dec 07, 2015 12:12 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1613: "The Three Laws of Robotics"
Replies: 120
Views: 18396

Re: 1613: "The Three Laws of Robotics"

My main problem with the three laws is that they are written in English and (because of that) assume that we have a complete definition of a whole bunch of concepts that are extremely ambiguous even in the best of cases. To implement the first law, you would have to unambiguously define (at the very...
by peregrine_crow
Tue Sep 29, 2015 3:28 pm UTC
Forum: Fictional Science
Topic: Superpower gives control over water - can they fly?
Replies: 42
Views: 8654

Re: Superpower gives control over water - can they fly?

Complete control over water molecules can be presumed to provide Maxwellian Demoniac powers, enabling infinite active cooling in-atmosphere. That requires that you have precise knowledge of both the location and speed of every water molecule in your body as well as extremely precise control of your...
by peregrine_crow
Tue Sep 29, 2015 2:38 pm UTC
Forum: Fictional Science
Topic: Superpower gives control over water - can they fly?
Replies: 42
Views: 8654

Re: Superpower gives control over water - can they fly?

I don't know about surviving 300-400g, but the speed alone seems unlikely to be survivable. Going around the earth in 200 seconds means an average speed of slightly over 200 km/s. Moving through the atmosphere at anywhere near that speed is not going to be survivable and leaving the atmosphere befor...
by peregrine_crow
Tue Sep 29, 2015 12:55 pm UTC
Forum: Fictional Science
Topic: How badly does this supertechnology break thermodynamics?
Replies: 15
Views: 6542

Re: How badly does this supertechnology break thermodynamics

I don't think I entirely understand how this device forces arbitrary unlikely outcomes to happen (sure, if you get an unlikely message, then an unlikely outcome is guarantee to happen, but you only get that unlikely message if that outcome was already going to happen) The program logic works as fol...
by peregrine_crow
Tue Sep 22, 2015 11:53 am UTC
Forum: Fictional Science
Topic: How badly does this supertechnology break thermodynamics?
Replies: 15
Views: 6542

Re: How badly does this supertechnology break thermodynamics

I don't think I entirely understand how this device forces arbitrary unlikely outcomes to happen (sure, if you get an unlikely message, then an unlikely outcome is guarantee to happen, but you only get that unlikely message if that outcome was already going to happen), but if you just want to use th...
by peregrine_crow
Fri Sep 11, 2015 1:10 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1576: "I Could Care Less"
Replies: 310
Views: 34659

Re: 1576: "I Could Care Less"

I'm Not sure I understand the prescriptivist backlash on this one. It Seems to me Megan's got that base covered: You've corrected my words/spelling/grammar. Did you understand me in the first place? No -> Great! Thank you for making the world a little less lonely, I will clarify. Yes -> Then you ar...
by peregrine_crow
Wed Sep 02, 2015 2:08 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1572: "xkcd Survey"
Replies: 363
Views: 90033

Re: 1572: "xkcd Survey"

Spelled my word (necessary) correctly.
My 5 random animals contained a condor for no reason that I can think of.
Typed dog in place of cat, because I'm a rebel like that.
by peregrine_crow
Tue Aug 04, 2015 9:28 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1557: "Ozymandias"
Replies: 67
Views: 11382

Re: 1557: "Ozymandias"

It's an ancient nursery rhyme with many, many, many variants. Wikipedia lists: "Some versions use "cheese" instead of "malt", "priest" instead of "judge", "cock" instead of "rooster", the older past tense form "crew" instead...
by peregrine_crow
Wed Jul 22, 2015 1:59 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1554: "Spice Girls"
Replies: 69
Views: 8522

Re: 1554: "Spice Girls"

It's also not exactly the same issue as 1417, because there are only four riders of the apocalypse.
by peregrine_crow
Tue Jul 14, 2015 10:54 am UTC
Forum: Science
Topic: Puzzling artifacts and reasonable reasoning
Replies: 79
Views: 12572

Re: Puzzling artifacts and reasonable reasoning

Is 'coincidence' reasonable? AFAICT, and if we're generous and say that we want 5 random integers between 1 and 1838 (I'm generously ignoring the .5 and .4), then the odds would appear to be around 1 in 170,000,000,000,000. "Aliens" on the other hand, doesn't really have any odds associat...
by peregrine_crow
Fri Jul 10, 2015 9:07 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1549: "XKCD Phone 3"
Replies: 40
Views: 5882

Re: 1549: "XKCD Phone 3"

"Nokia (they had two extra pins in their charging micro USB. Without those extra pins the phone wouldn't charge, but it wouldn't interfere with other phones charging off a Nokia charger.)" It's a bit of topic, but this is the first time I heard of it and isn't this exactly the kind of bul...
by peregrine_crow
Tue Jun 23, 2015 3:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1541: "Voice"
Replies: 54
Views: 9789

Re: 1541: "Voice"

Strange that still nobody mention/remember this: http://animorphs.wikia.com/wiki/Yeerk Someone did: Have to keep me away from Kandrona rays for three days? Also, I was totally going to post something animorphs related, but I couldn't figure out a catchy way to do it before showsni did.
by peregrine_crow
Wed Jun 10, 2015 8:54 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1534: "Beer"
Replies: 248
Views: 29732

Re: 1534: "Beer"

I prefer pizza with milk. I find milk adds something to grain based things. I prefer milk with salty, fat things, so including pizza, but also other kinds of fast food (french fries, hamburgers etc). That's something else that makes me think "Wtf?!". How in the world can anyone eat food w...
by peregrine_crow
Thu Jun 04, 2015 2:49 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1529: "Bracket"
Replies: 191
Views: 37121

Re: 1529: "Bracket"

I mean... I thought this was pretty obvious... "The Doctor" wins hands down... [snip]... and land the killing blow. Oh god no! The Doctor would never kill. He might tear you a new one, but he wouldn't kill. More importantly (for certain values of important that may or may not be outright ...
by peregrine_crow
Fri May 29, 2015 7:49 am UTC
Forum: Fictional Science
Topic: Hand-held space-jet
Replies: 19
Views: 6771

Re: Hand-held space-jet

So, Harry Potter style broomsticks? :D More like Harry Potter and the Methods of Rationality style broomsticks (or at least that one broomstick) I think. Well, yes :D . Though hopefully with a little more control and a little less power Ah - I've only skimmed it (although my son's a recent addict a...
by peregrine_crow
Tue May 26, 2015 1:42 pm UTC
Forum: Science
Topic: PhD study of this forum
Replies: 26
Views: 12614

Re: PhD study of this forum

I'd say it's a giant dick move to have opt-out instead of opt-in. Not that anyone can stop you, of course. I'm sure Oliver can speak for himself, but I imagine that Anthropology would not exist in any meaningful way if this were the standard. Although, granted, it is uniquely true in an online sett...
by peregrine_crow
Fri May 22, 2015 10:32 am UTC
Forum: Science
Topic: Bladeless Wind Turbine: Do joints look better than fans?
Replies: 17
Views: 2689

Re: Bladeless Wind Turbine: Do joints look better than fans?

Tyndmyr wrote:Windmills look frigging awesome. I have no idea why people keep crying about how they look, when I see hundreds of things every day that are far uglier.


This, so much this.
by peregrine_crow
Wed May 13, 2015 1:17 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1520: Degree-Off
Replies: 110
Views: 22398

Re: 1520: Degree-Off


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