Search found 262 matches

by Heimhenge
Mon Jan 14, 2019 11:13 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2098: "Magnetic Pole"
Replies: 21
Views: 4477

Re: 2098: "Magnetic Pole"

Even during a field reversal there might be a residual field from the inner core that gives us some protection. This article a NatGeo speculates that core could be a "permanent magnet" of sorts ... like one giant crystal lattice with all the magnetic domains aligned: https://www.nationalge...
by Heimhenge
Wed Jan 09, 2019 5:37 pm UTC
Forum: Science
Topic: Stars in background of deep-sky photos are in foreground
Replies: 21
Views: 3023

Re: Stars in background of deep-sky photos are in foreground

Also, given Luna’s slow rotation rate, the primary reason for an equatorial launch/landing site (free discount on delta-v needed to land or launch) is not a significant factor. I get that. But it seems like a polar landing would also be more difficult because of the trajectory change required. Equa...
by Heimhenge
Wed Jan 09, 2019 5:25 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2095: "Marsiforming"
Replies: 31
Views: 5366

Re: 2095: "Marsiforming"

speising wrote:
zjxs wrote:Mixing Martian into English is an even worse idea.


I don't grok that.


Even though I wasn't directly quoted, probably a reference to my earlier suggestion of "Barsoomiforming".
by Heimhenge
Wed Jan 09, 2019 12:29 am UTC
Forum: Science
Topic: Stars in background of deep-sky photos are in foreground
Replies: 21
Views: 3023

Re: Stars in background of deep-sky photos are in foreground

Another "wow" thing that I heard recently was that if you are on the moon, the earth is always in the same place in the sky. It doesnt move. I cant remember where I read this, but since the moon is tidally locked to earth, this makes sense, although it does wobble, so I expect that the ea...
by Heimhenge
Tue Jan 08, 2019 7:27 pm UTC
Forum: Science
Topic: Stars in background of deep-sky photos are in foreground
Replies: 21
Views: 3023

Re: Stars in background of deep-sky photos are in foreground

Unlikely distant galaxies would be visible through a beginner's scope. You need 8-10" aperture to even start seeing distant galaxy cores as fuzzy points of light ... and that's only under good seeing conditions. I'd feel safe to say ALL those other points of light are foreground stars. There's ...
by Heimhenge
Mon Jan 07, 2019 5:50 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2095: "Marsiforming"
Replies: 31
Views: 5366

Re: 2095: "Marsiforming"

I believe the correct term would be "barsoomiforming".
by Heimhenge
Thu Jan 03, 2019 5:02 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1335: "Now"
Replies: 131
Views: 60082

Re: 1335: "Now"

Sorry to resurrect such an old thread, but I followed the link to this post in a comment by Flumble in thread 2092 (Consensus New Year) and discovered, as others no doubt have also, that the file https://imgs.xkcd.com/comics/now.png is not loading. Getting a "cannot find server" message. B...
by Heimhenge
Fri Dec 28, 2018 5:55 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2091: "Million, Billion, Trillion"
Replies: 31
Views: 5284

Re: 2091: "Million, Billion, Trillion"

Pfhorrest wrote:Do billiards as in thousand-billions have anything to do with the game played with hard balls on a felt-covered table?


Only if you're playing the game with a billiard balls.

https://www.etymonline.com/word/billiards
by Heimhenge
Thu Dec 27, 2018 4:36 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2090: "Feathered Dinosaur Venn Diagram"
Replies: 33
Views: 5705

Re: 2090: "Feathered Dinosaur Venn Diagram"

Heck, I'm apprehensive about geese, and mockingbirds. They may not be as big as dinosaurs, but I don't think they realize that. There's a bit in one of the Spider-Man movies where the Lizard says he's an unstoppable foe because reptiles have no natural enemies. Apparently this guy never took a good...
by Heimhenge
Fri Dec 21, 2018 6:34 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2088: "Schwarzschild's Cat"
Replies: 36
Views: 6524

Re: 2088: "Schwarzschild's Cat"

The Cheshire Cat shows very little red shift.
by Heimhenge
Wed Dec 19, 2018 8:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2087: "Rocket Launch"
Replies: 14
Views: 3580

Re: 2087: "Rocket Launch"

Tried to follow the dotted line trajectories and saw he had visually "merged" the two on the last loop of the dogfight. That way the ? ? ? winner is indeed indeterminate. Nice artistic touch.
by Heimhenge
Mon Dec 10, 2018 11:56 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2083: "Laptop Issues"
Replies: 27
Views: 5574

Re: 2083: "Laptop Issues"

I has a Fujitsu laptop I needed to keep running while I worked on my desktop. Took a few weeks. When it came time to shut down the laptop I discovered its heat had "bubbled" the laminate surface of my office desk. Wasn't using a wedge or other thermal break. Surface is still flat enough to...
by Heimhenge
Mon Dec 10, 2018 4:38 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2082: "Mercator Projection"
Replies: 29
Views: 5600

Re: 2082: "Mercator Projection"

Is it just me or is "everyone's been brain-washed by Mercator" thing really just the assumption that other people don't know about map projections? I was taught about map projections in primary school, and hasn't everyone looked at a globe at least once? ... When I was growing up we had t...
by Heimhenge
Mon Nov 26, 2018 5:58 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2077: "Heist"
Replies: 40
Views: 6200

Re: 2077: "Heist"

Shit, if he really was "from the building" he should have all the keys he needs. Maybe even a master key. I wouldn't trust him.
by Heimhenge
Fri Nov 23, 2018 3:17 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2075: "Update Your Address"
Replies: 25
Views: 4729

Re: 2075: "Update Your Address"

Well this is probably pretty rare, but as an example of not moving and still having your address change ... We get our mail through a rented post office box in a small, privately-owned USPS licensed establishment that had been renting space in a small strip small. It was either rent a box or go with...
by Heimhenge
Wed Nov 14, 2018 11:29 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2072: "Evaluating Tech Things"
Replies: 35
Views: 6277

Re: 2072: "Evaluating Tech Things"

Well this isn't a view from the interior of a tornado, but it does show a view of the interior. Very cool. Probably looks much the same if you're actually inside the thing. Unless the lenses of your eyes are too distended from low pressure.

https://www.youtube.com/watch?v=TAJRBc7-yeY
by Heimhenge
Wed Nov 14, 2018 8:04 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2072: "Evaluating Tech Things"
Replies: 35
Views: 6277

Re: 2072: "Evaluating Tech Things"

I thought that, near the bottom of a tornado, things get drawn IN rather than blown away. Granted there might be some stability issues in the strong wind speed gradient, but I think a suitably massive drone with a good head of speed could punch through. I wonder what it would look like inside?
by Heimhenge
Mon Nov 12, 2018 3:25 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2071: "Indirect Detection"
Replies: 29
Views: 7202

Re: 2071: "Indirect Detection"

Didn't catch it on first read, but now see what he did with shade replacing shadow. Point Munroe.
by Heimhenge
Sat Nov 10, 2018 3:30 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2070: "Trig Identities"
Replies: 18
Views: 4551

Re: 2070: "Trig Identities"

Personally I'm more disturbed by upper indices that aren't exponentiation. Would be okay with Einstein index notation x b a if it was being used to represent the Vandermonde matrix ? Ha! Maybe, although no doubt the dimension with the increasing powers turns out to correspond to the lower index... ...
by Heimhenge
Sat Nov 10, 2018 12:48 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2070: "Trig Identities"
Replies: 18
Views: 4551

Re: 2070: "Trig Identities"

Feynman complains in his book about the trig notation for exactly this reason: i.e. that it looks like multiplication. He invented his own notation for sin (a kind of sigma with a long top bit iirc). Personally I'm more disturbed by upper indices that aren't exponentiation. I've always been a littl...
by Heimhenge
Wed Oct 31, 2018 4:27 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2066: "Ballot Selfies"
Replies: 110
Views: 16498

Re: 2066: "Ballot Selfies"

I always thought Escher missed an opportunity for infinite regression in that work. There should be a drawing of the mirror globe on the sheet of paper. And that drawn globe would show ...
by Heimhenge
Thu Oct 25, 2018 11:32 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2061: "Tectonics Game"
Replies: 69
Views: 14165

Re: 2061: "Tectonics Game"

Reading through this thread makes me feel like I'm in a game of D&D. So many instructions and restrictions for the explorers. I think the one assumption that distinguishes proposed solutions is whether society 10,000 years from now is post-Apocalypse, or an extrapolation from where we are now to...
by Heimhenge
Sun Oct 21, 2018 2:50 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2061: "Tectonics Game"
Replies: 69
Views: 14165

Re: 2061: "Tectonics Game"

.. but in this case, there's an extra layer to that problem. That symbology is primarily directed at deterring people who don't know about nuclear waste, away from it. If the civilization 3000 years from now is perfectly equipped with radiation-shielding gear or robots, they might happily wander in...
by Heimhenge
Wed Oct 17, 2018 7:35 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2060: "Hygrometer"
Replies: 35
Views: 5603

Re: 2060: "Hygrometer"

I have a large collection of nanometers I'd be willing to share. I bet they go off the charts in an elderly home. :) Seriously, though, a micrometer is a thing (for measuring in the micrometre range), so why shouldn't there be a nanometer? (I guess British English is unusual in having distinct spel...
by Heimhenge
Fri Oct 12, 2018 8:12 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2057: "Internal Monologues"
Replies: 48
Views: 8447

Re: 2057: "Internal Monologues"

Archgeek wrote:
Heimhenge wrote:All conifers sucked. I believe the best odds were with some type of ash.

Wow, not ever-vertical, fairly narrow birch?


Been awhile, but I think birch [edit from beech] was also up there. Thing is, we're talking about hitting through a tree ... not between them. Narrow?
by Heimhenge
Fri Oct 12, 2018 4:34 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2057: "Internal Monologues"
Replies: 48
Views: 8447

Re: 2057: "Internal Monologues"

I am none of those professions, but I regularly have all of these thoughts except the "trees = air" one. I am none of those professions, but I regularly have only one of these thoughts, the "trees = air" one. Trees are 90% air....or so my golf coach once told me. Saw a chart som...
by Heimhenge
Wed Oct 10, 2018 5:51 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2057: "Internal Monologues"
Replies: 48
Views: 8447

Re: 2057: "Internal Monologues"

I've had that physics monologue. When I was a young kid I distinctly recall the first time my uncle gave me some magnets to play with, and how amazed I was that they affected each other w/o actually touching. Some time during my physics education it dawned on me that gravity does the same thing, eve...
by Heimhenge
Tue Oct 09, 2018 2:33 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2056: Horror Movies
Replies: 57
Views: 9466

Re: 2056: Horror Movies

I guess "hard core" horror films are mostly boring to me, some may be fine. Of course exceptional movies can be horror. But I can't name an example that sits in the quoted category. I would nominate Kubrick's "The Shining" for that category. But yeah ... what are also called &qu...
by Heimhenge
Tue Oct 02, 2018 10:49 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2053: "Incoming Calls"
Replies: 43
Views: 8866

Re: 2053: "Incoming Calls"

Where the hell do you guys all live? And I thought the pre-recorded messages from politicians once or twice every election year are annoying. :lol: I'm in Arizona, and my telecom provider is CenturyLink. And of course they don't offer the "simultaneous ring" feature or I'd be using one of...
by Heimhenge
Tue Oct 02, 2018 4:54 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2053: "Incoming Calls"
Replies: 43
Views: 8866

Re: 2053: "Incoming Calls"

I blocked most of the spammers by letting everything go to voicemail. The legit ones leave a real voicemail, the fake ones leave a dumb one. That combined with blacklisted numbers that share my first 6 digits means I rarely answer spam. Though the spammers are getting smarter by the day. Just being...
by Heimhenge
Mon Sep 24, 2018 4:43 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2050: "6/6 Time"
Replies: 73
Views: 10199

Re: 2050: "6/6 Time"

Cueball's system get really messed up above the arctic circle. Adjusting the seconds to meet his conditions would make them last longer than a day.
by Heimhenge
Mon Sep 17, 2018 7:23 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2047: "Beverages"
Replies: 17
Views: 4010

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: 47
Views: 9328

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: 47
Views: 9328

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: 86
Views: 13953

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: 86
Views: 13953

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: 86
Views: 13953

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: 3482

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: 9583

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: 9583

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.

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