Search found 66 matches

by keldor
Fri Sep 07, 2018 5:11 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2043: Boathouses and Houseboats
Replies: 47
Views: 3389

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.
by keldor
Wed Sep 05, 2018 9:36 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2042: "Rolle's Theorem"
Replies: 86
Views: 5300

Re: 2042: "Rolle's Theorem"

A very important function of this sort of proof of things that are "obvious" is not so much to verify the property being proved so much as to verify that the abstract system of math that we're trying to formulate leads to the desired properties that we have intuitive ideas about. Put anoth...
by keldor
Mon Aug 20, 2018 8:18 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2035: "Dark Matter Candidates"
Replies: 55
Views: 4547

Re: 2035: "Dark Matter Candidates"

So, if dark matter exists, why isn't there a significant amount in our solar system? You would expect it to collapse under gravity into "lumps" even if it doesn't directly interact with anything except through gravity. You can run a simple N-body simulation on your own computer to verify t...
by keldor
Wed Aug 15, 2018 9:21 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2033: "Repair or Replace"
Replies: 36
Views: 3427

Re: 2033: "Repair or Replace"

One big problem is that electronics don't really have much in the way of human servicable parts. Lots of teeny things soldered directly to the circuit board, beyond the capability of human hands. Unless it's a major component like the display or the battery, forget it. Another consideration is that ...
by keldor
Mon Aug 06, 2018 10:22 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2029: "Disaster Movie"
Replies: 21
Views: 2379

Re: 2029: "Disaster Movie"

In the long run, when this all becomes history, proper documentary of the disaster as it unfolds will be invaluable.
by keldor
Mon Jul 23, 2018 5:54 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2023: "Y-Axis"
Replies: 24
Views: 3626

Re: 2023: "Y-Axis"

Carteeg_Struve wrote:Personally, I think the best thing to do would be to put the important information on the Z-axis, but keep the viewing angle straight dead-on with the X-Y plane.


See, this is an arguement for everyone to have a VR headset.
by keldor
Mon Jul 23, 2018 10:12 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2023: "Y-Axis"
Replies: 24
Views: 3626

Re: 2023: "Y-Axis"

I mean, it could be worse. At least the horizontal grid lines are not diagonal. The vertical ones, you mean, that are spread horizontally? (I remember confusing people with my 'mnemonic' that the lines of long itude on a standard world map are the ones spread out on the long axis, because they were...
by keldor
Mon Jul 23, 2018 9:18 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2023: "Y-Axis"
Replies: 24
Views: 3626

Re: 2023: "Y-Axis"

I mean, it could be worse. At least the horizontal grid lines are not diagonal.
by keldor
Mon Jul 23, 2018 8:15 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2023: "Y-Axis"
Replies: 24
Views: 3626

2023: "Y-Axis"

Image

Title text: We've also developed the semi-semi-log scale, where the Y-axis for the left half of the graph is a log scale but on the right half it isn't.

Careful! You'll give them ideas!
by keldor
Wed Jul 18, 2018 4:07 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 2021: "Software Development"
Replies: 31
Views: 4550

Re: 2021: "Software Development"

It's like CPU guy vs. GPU guy! Assuming that cannon will shoot all 500 at once, that is.
by keldor
Wed Jul 11, 2018 5:18 am UTC
Forum: Individual XKCD Comic Threads
Topic: 2016: "OEIS Submissions"
Replies: 31
Views: 4549

Re: 2016: "OEIS Submissions"

Still, I wonder why the algorithm doesn't handle this itself, and repeatedly apply until no reduction is found, and prepend the number of decompression steps as an extra byte at the beginning, normally 0x01. Perhaps because there's not much call for 200TB of 9s, and the added complexity isn't worth...
by keldor
Wed Mar 07, 2018 10:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1964: "Spatial Orientation"
Replies: 77
Views: 10205

Re: 1964: "Spatial Orientation"

I've spent enough time trying to solidify my intuition for how things move relative to all the other things that move that I felt unavoidably compelled to point out that, if he is facing west, the earth should be carrying him backwards around the Sun (seeing as how the Sun moves east through the zo...
by keldor
Fri Mar 02, 2018 4:25 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1961: "Interaction"
Replies: 28
Views: 3453

Re: 1961: "Interaction"

Since this thread is apparently a gathering of the sort of people who consider numbers among their friends, I'll point out that this is the last XKCD comic number that reads the same upside down as upside up until January 8, 2044. (This assumes that April 1st numbering variations tend to cancel out...
by keldor
Fri Feb 16, 2018 7:07 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1956: ‘Unification’
Replies: 25
Views: 4027

Re: 1956: ‘Unification’

I'm surprised that no one mentioned that Pixar has its origins in Lucasfilm, becoming independent as Lucasfilm sold off stuff after Return of the Jedi. By all rights, Pixar should split off from Star Wars up at the top of the chart before merging with Disney! To add further confusion, the proto-Pixa...
by keldor
Wed Jan 31, 2018 10:06 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1949: "Fruit Collider"
Replies: 54
Views: 6320

Re: 1949: "Fruit Collider"

Ah! I always wondered how that worked!

#TheMoreYouKnow
by keldor
Sat Dec 09, 2017 3:57 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1926: "Bad Code"
Replies: 10
Views: 3081

Re: 1926: "Bad Code"

I've often wanted to see what would happen if all of the non-load-bearing walls in a house were taken out, but some of them have plumbing and electricity in them, so that makes it a bit tougher... Alternately, being able to properly identify a load-bearing wall is VERY crucial when remodeling a hou...
by keldor
Wed Nov 01, 2017 6:39 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1910: Sky Spotters
Replies: 21
Views: 3518

Re: 1910: Sky Spotters

I'm not entirely sure what you'd be secretly surveilling looking at the sky, however.
by keldor
Tue Sep 19, 2017 10:21 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1891: "Obsolete Technology"
Replies: 63
Views: 9018

Re: 1891: "Obsolete Technology"

In response to all the comments of MMUs being unsuitable to real time OSes, the big cause of variable memory latency is cache misses. So unless you want to disable all caching (which would be stupid since it would slow your CPU down to 10% normal speed or much worse - uncached memory accesses take 1...
by keldor
Fri Sep 15, 2017 6:11 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1890: "What to Bring"
Replies: 70
Views: 11874

Re: 1890: "What to Bring"

Lid to fire reminds me of an event way back when I took organic chem. A fellow had a beaker full of pure alcohol which caught fire, so another guy grabbed the fire extinguisher and whoosh...put the fire out--as well as knocking all the glassware onto the floor. Glass vs floor = bad news for glass. A...
by keldor
Thu Aug 03, 2017 3:07 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1871: "Bun Alert"
Replies: 86
Views: 11990

Re: 1871: "Bun Alert"

For what it is worth--English buns are different from American buns. English ones (European) live in colonies aka warrens; American buns (cottontails) are generally solitary--or at least, they don't share burrows.
by keldor
Thu Aug 03, 2017 2:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1871: "Bun Alert"
Replies: 86
Views: 11990

Re: 1871: "Bun Alert"

We have sooo many buns that live around my house. Actually, they're mostly rabbits this time of year, but still. I counted 11 of them in and around my yard just a couple days ago, and when I read the comic, I decided to look out the window, and yep! 3 rabbits! I think if you set a bun alert around h...
by keldor
Thu Jun 29, 2017 12:19 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1856: "Existence Proof"
Replies: 38
Views: 5937

Re: 1856: "Existence Proof"

She should be careful. There exists f such that there are infinitely many values of x that meet that condition. We wouldn’t want to ride out against those, now would we?
by keldor
Thu Jun 29, 2017 12:14 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1856: "Existence Proof"
Replies: 38
Views: 5937

Re: 1856: "Existence Proof"

JohnTheWysard wrote:Shouldn't that be

"Grab your surds, students; we ride!"


Yes!
by keldor
Mon Jun 12, 2017 2:36 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1849: "Decades"
Replies: 89
Views: 13720

Re: 1849: "Decades"

NVR Mind
by keldor
Sun Apr 30, 2017 5:40 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1830: "ISS Solar Transit 2"
Replies: 25
Views: 5317

Re: 1830: "ISS Solar Transit 2"

Sure hope there was at least a really noisy rock concert going on at the same time. Actually, that brings up a good question: The point of Disaster Area's stuntship was to cause a huge solar flare that would be visible to the concert's audience. But would it really? I would imagine things the size ...
by keldor
Wed Apr 26, 2017 10:15 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1829: "Geochronology"
Replies: 26
Views: 5864

Re: 1829: "Geochronology"

It's really amazing how many dog names are based off of world locations and/or peoples. Pomerania is the northern part of Poland (including the Pomeranian Coast). The Dalmatia is along the southern half of the coast of Croatia (including the Dalmatian Coast). Labrador is the mainland part of the New...
by keldor
Thu Apr 20, 2017 3:36 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1826: "Birdwatching"
Replies: 44
Views: 13672

Re: 1826: "Birdwatching"

BTW, "a mile up" might be the hypotenuse of the slope, not the riser, being described. Upwardsly pitching. A mile up thus being simply "a mile away" (still not near) without trigonometric conversion. Until you want its actual altitude and ground-distance, at least. I don't think...
by keldor
Tue Dec 20, 2016 4:33 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1773: "Negativity"
Replies: 25
Views: 6538

Re: 1773: "Negativity"

Hmm. Might I suggest it's about time to go out and mow the lawn?

Come to think of it, maybe the grass really does have a good reason to hate him.
by keldor
Mon Sep 26, 2016 6:41 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1738:"Moon Shapes"
Replies: 66
Views: 12861

Re: 1738:"Moon Shapes"

#3 and #4 are both definitely possible, just not from the same geographic location. Picture the a crescent moon behind the earth (similarly crescent, for what it’s worth). Now rotate the image around the center of the earth. The crescents rotate with the image, and can be positioned in any orientati...
by keldor
Wed Sep 07, 2016 4:03 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1729: "Migrating Geese"
Replies: 33
Views: 7494

Re: 1729: "Migrating Geese"

Hmm. Missing valence geese. Does that make the flock a free radical? I blame Kevin.
by keldor
Fri Sep 02, 2016 5:18 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1727: "Number of Computers"
Replies: 35
Views: 7167

Re: 1727: "Number of Computers"

Growing up, I naively thought we'd just use the sun for that. Turns out it's actually easier to hurl things into Jupiter than it is the sun. Turns out it's about as easy to hurl things into Sirius as it is the sun... Would it actually be easier? I mean, Delta-V wise, certainly, but actually hitting...
by keldor
Fri Sep 02, 2016 5:13 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1727: "Number of Computers"
Replies: 35
Views: 7167

Re: 1727: "Number of Computers"

Growing up, I naively thought we'd just use the sun for that. Turns out it's actually easier to hurl things into Jupiter than it is the sun. Well, yeah. I can't even start to imagine how you'd hurl the sun into Jupiter. It's all a matter of your frame of reference. Adjusting the frame of reference ...
by keldor
Wed Aug 31, 2016 11:09 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1727: "Number of Computers"
Replies: 35
Views: 7167

Re: 1727: "Number of Computers"

Growing up, I naively thought we'd just use the sun for that. Turns out it's actually easier to hurl things into Jupiter than it is the sun. Well, yeah. I can't even start to imagine how you'd hurl the sun into Jupiter. It's all a matter of your frame of reference. Adjusting the frame of reference ...
by keldor
Thu Aug 11, 2016 4:48 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1718: "Backups"
Replies: 45
Views: 7894

Re: 1718: "Backups"

nooooo! If you delete the copies on your computer, then the "backups" are not backups. They're the only existing copy. If you want to wipe your PC (god knows why...) then you need to make two backups on separate media. About eight years ago, my backup disk failed. I had a replacement on-h...
by keldor
Wed Aug 03, 2016 5:36 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1715: "Household Tips"
Replies: 69
Views: 11218

Re: 1715: "Household Tips"

My house has mostly vertical sliding windows, though there are a couple windows that are wider than they are tall that slide horizontally to open. There's also a tiny crank based window that opens outward in the master bathroom. Interestingly, we replaced some of the windows a few years back (they w...
by keldor
Mon Jul 04, 2016 4:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1701: "Speed and Danger"
Replies: 62
Views: 9778

Re: 1701: "Speed and Danger"

I just had another thought: Since when are rocket launches fast? I guess it depends on how we define "launch". Fun fact: A Saturn V rocket is about as fast as an ordinary car on a highway, when it clears the tower. Generally when I hear "rocket launch" I think of the portion fro...
by keldor
Mon Jun 13, 2016 8:00 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1693: "Oxidation"
Replies: 46
Views: 8160

Re: 1693: "Oxidation"

On the plus side, maybe she finally bought a better camera to take pictures of it with.
by keldor
Wed May 25, 2016 11:55 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1685 : Patch
Replies: 40
Views: 9604

Re: 1685 : Patch

Why bother with patch when you can have your computer generate your code for you??

http://karpathy.github.io/2015/05/21/rnn-effectiveness/

(Check toward the bottom. They have that thing generating C code after training on the source for a Linux kernel.)
by keldor
Wed May 04, 2016 9:40 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1676: "Full-Width Justification"
Replies: 64
Views: 15771

Re: 1676: "Full-Width Justification"

It would appear that the primary reason for embellishment in medieval writen manuscripts was not, as commonly supposed, decorative, but was indeed a necessary element ensuring full-width justification. Who knew?
by keldor
Tue Apr 26, 2016 2:30 am UTC
Forum: What If?
Topic: What-If 0149: "Pizza Bird"
Replies: 57
Views: 21177

Re: What-If 0149: "Pizza Bird"

Bar headed geese might be a good canidate for the carrier bird. They migrate over the Himalayas at altitudes of greater than 20,000 feet, so that's in reach if the plane dives down a bit to receive the pizza. Having multiple birds carrying the line would be important. You'd want some sort of breakaw...

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