Search found 231 matches

by Heimhenge
Mon Sep 17, 2018 7:23 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2047: "Beverages"
Replies: 8
Views: 621

Re: 2047: "Beverages"

I have a hard time believing the esophagus bulges that much when swallowing liquids.
by Heimhenge
Sat Sep 08, 2018 5:00 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2043: Boathouses and Houseboats
Replies: 43
Views: 2006

Re: 2043: Boathouses and Houseboats

This nomenclature should be extended even further. Planeplane: https://upload.wikimedia.org/wikipedia/commons/f/fc/F-GSTB_-_2_Airbus_A.300B4-608ST_Beluga_Airbus_%288634655670%29.jpg Yeah, I tried to add a fourth row and column to the matrix using "plane". Had some good entries in the four...
by Heimhenge
Fri Sep 07, 2018 8:04 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2043: Boathouses and Houseboats
Replies: 43
Views: 2006

Re: 2043: Boathouses and Houseboats

XKCD, muddying the English language since circa 2005. Calling a lifeboat a boatboat is incorrect, though. What we really want is the big boat that is carrying the life boat, but I don't think there's a proper term for this. A distinction is made between "ship" and "boat" (at lea...
by Heimhenge
Wed Sep 05, 2018 10:08 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2042: "Rolle's Theorem"
Replies: 67
Views: 3191

Re: 2042: "Rolle's Theorem"

... And I'm still not quite sure what the proper mathematical description for such a discontinuity would be. Except that there'd be various output (distance reached) values that are undefined for given inputs (initial speed), and likewise certain initial speeds that remain undefined as the solution...
by Heimhenge
Wed Sep 05, 2018 7:14 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2042: "Rolle's Theorem"
Replies: 67
Views: 3191

Re: 2042: "Rolle's Theorem"

cellocgw wrote:What I need to know is:

is Rolle's first name "Rockand" ?

#askingforafriend


No, I believe it was Howie.
by Heimhenge
Wed Sep 05, 2018 4:33 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2042: "Rolle's Theorem"
Replies: 67
Views: 3191

Re: 2042: "Rolle's Theorem"

Well yeah, the theorem looks obvious on a graph like that. But I think the reason it actually gets Rolle's name is not that he was the first to notice it, but that he made the concept rigorous ... imagine a differentiable function you can't easily visualize. Or maybe a function in more than 2 dimens...
by Heimhenge
Mon Sep 03, 2018 4:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2041: "Frontiers"
Replies: 11
Views: 965

Re: 2041: "Frontiers"

If we could somehow quantify the extent to which each frontier has been explored (tough to normalize, yeah), and plot that on a third axis, Alaska would be at the bottom. It really ain't that much of a "frontier" anymore. Just a bit less fucked up than most other places. Space has to be at...
by Heimhenge
Sat Sep 01, 2018 3:41 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2040: Sibling-in-law
Replies: 52
Views: 2784

Re: 2040: Sibling-in-law

Second: on The Dick Van Dyke Show, it was mentioned fairly often that Mel Cooley was Alan Brady's brother-in-law (with strong implications that this was the only reason he had become the show's producer). What was not often made clear was whether Mel was married to Alan's sister, or Alan married to...
by Heimhenge
Fri Aug 31, 2018 10:56 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2040: Sibling-in-law
Replies: 52
Views: 2784

Re: 2040: Sibling-in-law

I don't see any of my ex's family anymore, but when I need to refer to them I just say "former" father-in-law, mother-in-law, whatever. Calling them "ex" makes it sound like I divorced them ... and my former father-in-law was actually a really nice guy.
by Heimhenge
Tue Aug 21, 2018 1:13 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2035: "Dark Matter Candidates"
Replies: 55
Views: 3224

Re: 2035: "Dark Matter Candidates"

At first I thought Modified Newtonian Dynamics was just bullshit. But with the recent ad hoc inventions of dark matter and dark energy I'm starting to think about MOND as a real possibility. I smell a symmetry lurking somewhere therein.
by Heimhenge
Fri Aug 17, 2018 10:51 pm UTC
Forum: Science
Topic: Consequences of climate change
Replies: 80
Views: 11780

Re: Consequences of climate change

Not as significant, probably, as the other consequences discussed, but I just read an article claiming road travel will become less safe because of lack of infraction enforcement by police. They ran a study comparing traffic stops with temperature and found stops go down as temperatures rise. Someth...
by Heimhenge
Fri Aug 17, 2018 10:37 pm UTC
Forum: Science
Topic: Gravitation 'Beach'
Replies: 11
Views: 676

Re: Gravitation 'Beach'

Yes, it's the change in speed of water waves that increases their amplitude. So gravitational waves couldn't do that. The only way I see to create an amplitude increase would be via superposition of gravitational waves from multiple sources, but that would be unlikely to occur with the correct timin...
by Heimhenge
Thu Aug 16, 2018 10:43 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2033: "Repair or Replace"
Replies: 36
Views: 2638

Re: 2033: "Repair or Replace"

Well yeah, that's the thing about W10 ... I don't think it'll accept some of my hardware. I've heard some horror stores about that, and I don't want to be put in the position of upgrading hardware for a new OS. That just sucks. I'm cool now, but expect I'll have to buy a newer box at some point. If ...
by Heimhenge
Thu Aug 16, 2018 9:32 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2033: "Repair or Replace"
Replies: 36
Views: 2638

Re: 2033: "Repair or Replace"

My wife needed to replace her Prius hybrid (200k+ miles) and we opted for another Prius, this time a Prius Prime plug-in hybrid. I'd done my own vehicle maintenance for many years, but except for adding oil (which I rarely have to do since the Prime uses synthetic) I don't touch anything else. It's ...
by Heimhenge
Wed Aug 15, 2018 10:39 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2033: "Repair or Replace"
Replies: 36
Views: 2638

Re: 2033: "Repair or Replace"

Also: was he using WFW3.11 and skipped the next one, or was WFW3.11 the first one he skipped? You might have an off-by-one error. Geeez, didn't expect that much reaction to my comment ... it was just a generalization about upgrades. But if ya'll want to know: HomeBase GUI (DOS) W3.1 W3.11 (OK, so I...
by Heimhenge
Wed Aug 15, 2018 5:53 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2033: "Repair or Replace"
Replies: 36
Views: 2638

Re: 2033: "Repair or Replace"

Yeah, it's tech that he's talking about and the car is just a good metaphor. I can identify with that ... been skipping every other Windows OS since Workgroups 3.11. As long as they work for my apps I feel no need to upgrade. But eventually the apps get so much outa sync with the OS that I am forced...
by Heimhenge
Mon Aug 13, 2018 4:59 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2032: "Word Puzzles"
Replies: 47
Views: 3380

Re: 2032: "Word Puzzles"

Well I went right to Explain XKCD on this one. Nothing there yet beyond the cartoon. There may or may not be a real puzzle hidden here, but I ain't spending any time looking for it ... knowing Randall's propensity for messing with his readers' heads.
by Heimhenge
Sat Aug 11, 2018 11:14 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2031: "Pie Charts"
Replies: 19
Views: 1807

Re: 2031: "Pie Charts"

That was my first thought too ... graph it on a sphere if they add up to more less than 100%. FTFY Sum of internal boundary angles add up to>180° (or pi rads), but length of boundary (tending to circumference) is shorter than the 2.pi.r of a flat plan and areas likewise lower (whichever is the surr...
by Heimhenge
Fri Aug 10, 2018 8:44 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2031: "Pie Charts"
Replies: 19
Views: 1807

Re: 2031: "Pie Charts"

I think it's like with triangles; pie charts add up to more than 100% on positively curved surfaces, exactly 100% on flat ones, and less than 100% on negatively curved surfaces. That was my first thought too ... graph it on a sphere if they add up to more than 100%. Hadn't considered the geometry i...
by Heimhenge
Wed Aug 01, 2018 4:11 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2027: "Lightning Distance"
Replies: 44
Views: 3221

Re: 2027: "Lightning Distance"

Important to note the sound wave from the lightning can be delayed, advanced, or refracted away. I've seen lightning that was definitely close enough to hear but remained silent (well, maybe not totally silent ... the rain can get kinda noisy). And then there's the reflected waves, smeared out into ...
by Heimhenge
Tue Jul 31, 2018 3:44 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2026: Heat Index
Replies: 30
Views: 2118

Re: 2026: Heat Index

... And should there be a "wind heating factor" at the far high end, as well? I can't imagine a breeze helps you cool down if it's 102F and 90%+ humidity. Putting more hot air/water molecules in contact with you has to warm you up faster, convection-oven style, doesn't it? Air that is hot...
by Heimhenge
Mon Jul 30, 2018 10:05 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2026: Heat Index
Replies: 30
Views: 2118

Re: 2026: Heat Index

I live in Arizona and can tell you the "heat index" seems pretty frikkin' arbitrary. I know it's based on a formula, but that formula makes assumptions about average human perspiration and activity level. I for one always feel hotter than the heat index. Especially when it "relatively...
by Heimhenge
Fri Jul 27, 2018 6:15 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2025: "Peer Review"
Replies: 13
Views: 2173

Re: 2025: "Peer Review"

Maybe it shoulda' been ... I don't get the apostrophe after "Free" and lack of closing quotation mark. Wait ... looks like that just got fixed.
by Heimhenge
Thu Jul 26, 2018 12:50 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2024: "Light Hacks"
Replies: 18
Views: 2124

Re: 2024: "Light Hacks"

What I'm unclear on is what the (supposed) pros are of building your Dyson Sphere inside an existing one. The cons of literally casting shade at a more (technologically, not necessarily ethically) advanced civilisation are pretty obvious... All the parts you need to build it are convieniently provi...
by Heimhenge
Wed Jul 18, 2018 5:56 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2021: "Software Development"
Replies: 31
Views: 3511

Re: 2021: "Software Development"

Can someone explain this xkcd better than explainxkcd? I get the obvious general gist of one programmer putting a lot of delicate work into a finely crafted tool and the other one just belt-feeding that into his shotgun approach with no regard for what it could do if used properly, but I'm struggli...
by Heimhenge
Wed Jul 18, 2018 12:30 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2019: "An Apple for a Dollar"
Replies: 80
Views: 5686

Re: 2019: "An Apple for a Dollar"

What's the problem there? Would the cashier not be able to work out how that affects the change? That's not been my experience here, usually their reaction is "oh good". ... He was unable to do "10.25 minus 5.25 equals 5" in his head. Or "4.75 plus 0.25 equals 5". I ca...
by Heimhenge
Sat Jul 14, 2018 4:01 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2019: "An Apple for a Dollar"
Replies: 80
Views: 5686

Re: 2019: "An Apple for a Dollar"

When I was there in 2002-3, Australia had abandoned anything smaller than 5c - prices were still in any integer number of cents, but, at point of sale, if paying cash, the customer got to keep the odd cents (or the shop gave a few extra cents in change) to get to a multiple of 5c. Here in the state...
by Heimhenge
Fri Jul 13, 2018 9:22 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2019: "An Apple for a Dollar"
Replies: 80
Views: 5686

Re: 2019: "An Apple for a Dollar"

… which is why I ended up with a huge pile of shrapnel when on holiday in Florida. The only time I managed to pay with the right money was when I was in the cafeteria in one of the theme parks; I just dumped all the smash onto the tray and handed over what the cashier asked for. Pretty much how it ...
by Heimhenge
Wed Jul 11, 2018 6:48 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2018: "Wall Art"
Replies: 25
Views: 2797

Re: 2018: "Wall Art"

I hate installing wall art. The scientist in me wants to hang them all at adult eye-level in pretty much a straight line ... like arranging icons. The artist in me (who is severely underdeveloped) wants to scatter them in two dimensions but has no idea about what pattern looks good. Maybe I should j...
by Heimhenge
Tue Jul 10, 2018 3:47 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2017: "Stargazing 2"
Replies: 5
Views: 1494

Re: 2017: "Stargazing 2"

If you use 5000 for the number of naked-eye stars, and the triangle formula given here: https://math.stackexchange.com/questions/206762/how-many-triangles-can-be-formed-from-n-points-on-a-circle They say: n = N(N-1)(N-2) / 6 then the number of visible triangles is like 20,820,835,000. But that's the...
by Heimhenge
Mon Jul 09, 2018 1:30 am UTC
Forum: Science
Topic: Cooling gas by expansion
Replies: 17
Views: 2021

Re: Cooling gas by expansion

Moving relative to what? A single particle "gas cloud" would have all particles stationary relative to the cloud. An interesting point. So what you're saying is that E K is only meaningful if speed is measured with respect to the COM of a gas cloud within which some collisions might still...
by Heimhenge
Sun Jul 08, 2018 11:26 pm UTC
Forum: Science
Topic: Cooling gas by expansion
Replies: 17
Views: 2021

Re: Cooling gas by expansion

If the absolute temperature of a gas is proportional to the average particle kinetic energy, then how can a moving particle (regardless of whether it will ever collide again or not) represent zero kelvin? I don't get why the mean free path is such a big deal.
by Heimhenge
Sun Jul 08, 2018 7:35 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2013: "Rock"
Replies: 42
Views: 4318

Re: 2013: "Rock"

And everyone knows that a solipse has only a single focus.
by Heimhenge
Sat Jun 30, 2018 2:59 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2013: "Rock"
Replies: 42
Views: 4318

Re: 2013: "Rock"

I can't even quite work out if this describes how I skim stones. I mean, I just do it, and it works. (And a mere five splashes is a failure on barely-rippled water, as depicted, though sea-shore/large-lake-shore skimming often has the added issue of waves to contend with, except on the stillest of ...
by Heimhenge
Tue Jun 26, 2018 12:38 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2011: "Newton's Trajectories"
Replies: 13
Views: 2082

Re: 2011: "Newton's Trajectories"

Well here's the original from Principia: https://i.imgur.com/dzSLWaa.png?1 It's a horizontal cannon on a (to scale 1000 mile altitude and well above the atmosphere) mountaintop, so yeah, with the right projectile speed it's shooting itself. And yes, Newton must have been "assuming away friction...
by Heimhenge
Fri Jun 22, 2018 11:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2010: "Update Notes"
Replies: 13
Views: 2491

Re: 2010: "Update Notes"

Geez, what about all the people who have both those apps? Gonna make them feel left out of the conversation ... or like they're eavesdropping.
by Heimhenge
Sat Jun 16, 2018 2:52 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2007: "Brookhaven RHIC"
Replies: 32
Views: 4160

Re: 2007: "Brookhaven RHIC"

Sableagle wrote:
freezeblade wrote:There can be worse, look at this! https://goo.gl/maps/L5UGmQyNycy

I'm sure the fish shall find it interesting.


Wow! Just 30 m of sea level rise and Arizona gets an oceanfront beach.
by Heimhenge
Thu Jun 14, 2018 4:04 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2006: "Customer Rewards"
Replies: 40
Views: 4775

Re: 2006: "Customer Attention"

The funny thing is that this is better than the "fashion" community where you're expected to give them free advertising for nothing. Every time I'm at the beach and I see someone with a Nike "swoosh" on their swim trunks, I think "how would you react if I asked you to pay m...
by Heimhenge
Wed May 23, 2018 8:37 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1997: "Business Update"
Replies: 21
Views: 3665

Re: 1997: Business Update

It would have been funnier (or grosser) if the toilet had been producing original content.

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