Search found 319 matches

by DanD
Tue Aug 23, 2016 2:46 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1723: "Meteorite Identification"
Replies: 30
Views: 8881

Re: 1723: "Meteorite Identification"

taemyr wrote:http://www.iflscience.com/space/how-hunt-micrometeorites/


I'm pretty sure this technique will also pick up weld spatter. And pretty much any other case where you've got mists of molten iron flying around.
by DanD
Mon Aug 22, 2016 2:02 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1722: "Debugging"
Replies: 22
Views: 5694

Re: 1722: Debugging

Or, it's not identical. Industrial use. We ordered the same computer twice. All of the specs were identical. One worked, one didn't. It turned out that they used different chipsets on otherwise identical NICs, and that made the difference. If it's ordered as an industrial component via the part num...
by DanD
Fri Aug 19, 2016 3:00 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1722: "Debugging"
Replies: 22
Views: 5694

Re: 1722: Debugging

Or, it's not identical.

Industrial use. We ordered the same computer twice. All of the specs were identical. One worked, one didn't. It turned out that they used different chipsets on otherwise identical NICs, and that made the difference.
by DanD
Thu Aug 04, 2016 8:13 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1715: "Household Tips"
Replies: 69
Views: 11619

Re: 1715: "Household Tips"

On the no screens in Europe thing, they don't, generally, have the level of human pest insects that we do. That being said, biting flies in rural areas can be a problem, and one mosquito in your hotel room can be enough of a problem. Especially when it's in the upper 30s C, humid, and you're having ...
by DanD
Thu Aug 04, 2016 2:57 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1715: "Household Tips"
Replies: 69
Views: 11619

Re: 1715: "Household Tips"

After you've gotten the windows off their hinges, can't you just set them on the floor or something instead of holding them up? Not typically. The bottom half usually remains connected. On some, you can let the window rest downwards and it's supported, but the usual approach is "tip them in, u...
by DanD
Wed Aug 03, 2016 5:17 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1715: "Household Tips"
Replies: 69
Views: 11619

Re: 1715: "Household Tips"

Curiosity question: are windows that slide upwards common in the US? In London and other UK cities, lots of older houses have wooden sash windows that work like that, but they're seen as a bit of a period feature and most are being replaced with uPVC windows that hinge outwards (with the hinge eith...
by DanD
Wed Jul 27, 2016 4:07 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1712: Politifact
Replies: 30
Views: 7743

Re: 1712: Politifact

Keyman wrote:Politfact is the Snopes of American politics?


Them and factcheck.org. Including the claims by conservatives that they have a liberal bias.
by DanD
Mon Jul 25, 2016 2:52 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

The difference between "we won't fund you for advocacy" and "we won't fund you for results we don't like" is vanishingly small. The "advocacy" was that they believed that gun violence in the US was a public health crisis. Because gun violence in the US is a public heal...
by DanD
Thu Jul 21, 2016 7:26 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

We've gone over this repeatedly. A SINGLE US agency was banned from using it's funding for advocacy. Because it was doing exactly that. Show proof FIRST. It's hardly fair to complain that lack of rigor is necessary when the restrictions originate from the aforementioned lack of rigor and downright ...
by DanD
Mon Jul 18, 2016 7:58 pm UTC
Forum: Science
Topic: Dropping a Cloud Nine From Orbit
Replies: 38
Views: 6699

Re: Dropping a Cloud Nine From Orbit

Practically speaking, if helium becomes too expensive, then people will use hydrogen in flame-retardant sacs. The reason for the notorious hydrogen airship fires (e.g. Hindenberg) was because their hydrogen bags and outer skin were made of flammable material, which allowed a spark on the outside to...
by DanD
Thu Jul 14, 2016 8:02 pm UTC
Forum: News & Articles
Topic: First Tesla Autopilot Death
Replies: 304
Views: 51680

Re: First Tesla Autopilot Death

The trouble with this thread's headline case is that it didn't know it couldn't see. Blindfold a human, and he knows not even to attempt to drive, probably, Similarly, set him on an unlit road at night with no headlights of his own and he shouldn't drive off into the dark without a great amount of ...
by DanD
Tue Jul 12, 2016 5:38 pm UTC
Forum: Science
Topic: Dropping a Cloud Nine From Orbit
Replies: 38
Views: 6699

Re: Dropping a Cloud Nine From Orbit

Well, strictly speaking, a hot hair balloon is working off similar principles. Exact minimum will depend on details, like heat differential and material, but...you can get fairly small and still have a viable hot-air lifting mechanism. It's not so much hot air, as passive hot air, combined with liv...
by DanD
Mon Jul 11, 2016 8:04 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1705: "Pokémon Go"
Replies: 57
Views: 13152

Re: 1705: "Pokémon Go"

Yup, I'm officially an old fart. I've only heard of this game today and I already hate it. Multiple people also suffered minor injuries from falling while playing...the app led players to congregate near strangers' homes...eleven teenagers became the victims of an armed robbery by four individuals....
by DanD
Mon Jul 11, 2016 2:38 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1705: "Pokémon Go"
Replies: 57
Views: 13152

Re: 1705: "Pokémon Go"

It is interesting, why is this so different than the Ingress players (the game engine it uses ). Been an ingress player for a few years now and there weren't near the number of articles about the distraction of the game or the crime opportunity. OR is this because Pokemon is a much bigger and well ...
by DanD
Thu Jul 07, 2016 2:51 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1703: "Juno"
Replies: 38
Views: 6216

Re: 1703: "Juno"

Any adjustment factor for lateness also needs to take into account the type of event, and schedule. If you're 30 minutes late to an all day event with no set schedule, it's no big deal. That same thirty minutes late to an all day sporting event, where you were supposed to be in the first round is pr...
by DanD
Thu Jul 07, 2016 2:23 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

I keep bringing up the ATF because the ATF is the agency with responsibility for enforcing the laws against the dealers in particular. So their lack of resources, the restrictions that are aimed at them, are what drive how well current laws against illegal sales are enforced. Yes, the FBI can invest...
by DanD
Wed Jul 06, 2016 7:40 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

Except that background checks can only be kept for 24 hours, at which point the FBI is required to destroy them. Which means the purchaser can wait 1 day, re-submit, and the FBI has no evidence. Again, they are permitted to keep rejections. Only if they determine that the rejection was an illegal a...
by DanD
Wed Jul 06, 2016 2:37 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

Except that background checks can only be kept for 24 hours, at which point the FBI is required to destroy them. Which means the purchaser can wait 1 day, re-submit, and the FBI has no evidence. The ATF is also not allowed to require inventories from gun dealers, and the dealers are not required to ...
by DanD
Thu Jun 30, 2016 9:18 pm UTC
Forum: News & Articles
Topic: Puerto Rico Debt Crisis: $70+ Billion in Debt and counting
Replies: 29
Views: 14048

Re: Puerto Rico Debt Crisis: $70+ Billion in Debt and counting

Cost of energy/kwh https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/LCOE_comparison_fraunhofer_november2013.svg/1280px-LCOE_comparison_fraunhofer_november2013.svg.png Note that it's in euros, so it's between 17 to 25 cents per Kwh, which is still cheaper than current electric prices in Pue...
by DanD
Mon Jun 27, 2016 9:37 pm UTC
Forum: School
Topic: Math without calculators
Replies: 34
Views: 40140

Re: Math without calculators

Just don't use the explanation that most of out teachers did growing up. The "you won't have a calculator with you everywhere you go" thing kind of failed around a decade ago.
by DanD
Mon Jun 27, 2016 9:25 pm UTC
Forum: School
Topic: Is there a monopoly on federal student loan management?
Replies: 1
Views: 4492

Re: Is there a monopoly on federal student loan management?

Navient is Sallie Mae's loan servicing division, so Sallie Mae is out of the servicing business (they may have residual loans, not sure how that worked).

And they aren't a monopoly, though the list of servicers is limited.

https://studentloans.gov/myDirectLoan/a ... ion.action
by DanD
Mon Jun 27, 2016 9:19 pm UTC
Forum: School
Topic: Help with a "research paper"
Replies: 16
Views: 11910

Re: Help with a "research paper"

The Great Gatsby and the Scarlet Letter sucked. Candide was great when I read it on my own, long before it was assigned. Much less so when I read it for class as a refresher. Shakespeare should never be read, but acted. At a minimum, read aloud by parts. I have to agree, literature courses tend to d...
by DanD
Mon Jun 27, 2016 9:05 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

Someone has to purchase the gun for the kid. Access is possible, but it essentially requires an adult to vouch for the child. This is not generally required for a book, so with respect to the original claim, I believe that a book is still obviously easier to access. But it is possible for young fol...
by DanD
Fri Jun 24, 2016 5:42 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

Someone has to purchase the gun for the kid. Access is possible, but it essentially requires an adult to vouch for the child. This is not generally required for a book, so with respect to the original claim, I believe that a book is still obviously easier to access. But it is possible for young fol...
by DanD
Wed Jun 22, 2016 9:54 pm UTC
Forum: Serious Business
Topic: Obama says it's easier to get a gun than a book.
Replies: 186
Views: 43887

Re: Obama says it's easier to get a gun than a book.

One comment. Several people early in the discussion indicated that it was illegal for a 13 year old to own a gun. Under federal law, it is illegal for a licensed dealer to sell a handgun to anyone under 21, and a long gun to anyone under 18. However, to the best of my knowledge I can, under federal ...
by DanD
Fri Jun 10, 2016 3:34 pm UTC
Forum: News & Articles
Topic: 2016 US Presidential Election
Replies: 8482
Views: 1045586

Re: 2016 US Presidential Election

I would prefer to see Warren or Sanders in Health and Human Services, Commerce, Housing and Urban Development, or Labor in preference to VP. It might not be as appeasing to many followers as VP, but it's a lot more in line with them being able to do what they are focused on, and wield some actual po...
by DanD
Thu Jun 09, 2016 3:46 pm UTC
Forum: News & Articles
Topic: 2016 US Presidential Election
Replies: 8482
Views: 1045586

Re: 2016 US Presidential Election

No. Hispanic is racist, Mexican is a nationality. There's a very, very fine point here, and yes, one can extremely easily infer that someone making this argument is doing so as the thinnest of covers for racism, but *that* particular statement ends up being a poor example. (Rest assured that Trump ...
by DanD
Wed Jun 08, 2016 2:08 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1691: "Optimization"
Replies: 53
Views: 9659

Re: 1691: "Optimization"

Premature optimization means you're spending a lot of time making something perfect when there's still a decent chance you're going to throw it out before launch.

Make it work first, then make it perfect.
by DanD
Tue Jun 07, 2016 2:37 pm UTC
Forum: News & Articles
Topic: Society pays tab for personal liberty
Replies: 70
Views: 13653

Re: Society pays tab for personal liberty

Diadem, if the US has anything to spare, it's space. The densest city is 1/10 of the highly packed global cities. Tyndmyr, the biggest difference with libertarians is that a libertarian wouldn't mandate an eviction nor help with the aftermath. Though given the difficulties passing legislation, I'm ...
by DanD
Tue Jun 07, 2016 2:22 pm UTC
Forum: News & Articles
Topic: Society pays tab for personal liberty
Replies: 70
Views: 13653

Re: Society pays tab for personal liberty

Maybe that's the way to phase it out then: Have a 'one-strike-and-you're-out' policy: If you get flooded, government-backed insurance will pick up the tab once and once only; Any rebuilt property must be flood resistant by law, and thereafter will be insured on the open market only. This allows for...
by DanD
Mon Jun 06, 2016 8:09 pm UTC
Forum: News & Articles
Topic: Society pays tab for personal liberty
Replies: 70
Views: 13653

Re: Society pays tab for personal liberty

Because, as long as flood insurance exists, it isn't an unreasonable risk. However, most of the people involved are dependent on that flood insurance because a significant portion of their assets are tied up in a home that retains it's value because of flood insurance. So removing it is, practicall...
by DanD
Mon Jun 06, 2016 7:47 pm UTC
Forum: News & Articles
Topic: Society pays tab for personal liberty
Replies: 70
Views: 13653

Re: Society pays tab for personal liberty

If they keep jumping into danger, do we have an obligation to save them every time? I have a harder time buying the "freedom"argument when they are forcibly spending our tax dollars on the ones in needless danger. http://www.pbs.org/wgbh/frontline/article/five-questions-to-ask-about-flood...
by DanD
Wed Jun 01, 2016 2:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1688: Map Age Guide
Replies: 70
Views: 13149

Re: I-25 in 1948 or 1952?

Umm ... The Interstate Highway System was authorized in 1958, so it's highly unlikely that you'd find a highway in New Mexico labelled "I-25" in 1952 or earlier. OK; maybe the map is from an alternate universe, with a more forward-looking US government than we have. Maybe it's from a univ...
by DanD
Wed May 18, 2016 7:48 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1673: “Timeline of Bicycle Design”
Replies: 69
Views: 15015

Re: 1673: “Timeline of Bicycle Design”

What sort of events do you ride such machines in? Massed-start, time-trial, track, rally-checkpoint styled ones, etc? (Although I've seen such machines in use in the UK, usually as part of the disparate throng in Critical Mass circuses, never competitively. I'm sure they're not allowed in BC road-r...
by DanD
Mon May 16, 2016 2:42 pm UTC
Forum: Fictional Science
Topic: The Science of magic
Replies: 26
Views: 11679

Re: The Science of magic

On the genetic side of things, my first thought is to treat it like the gene for sickle cell anemia. A single copy results in a mage. Two copies is lethal (in the womb). This gives you a birth rate of 50% mages from one mage, and 66% from two mages, but with lower fertility. The only problem I see w...
by DanD
Mon May 16, 2016 1:58 pm UTC
Forum: Logic Puzzles
Topic: Need Help with a Substitution Code
Replies: 7
Views: 5852

Re: Need Help with a Substitution Code

[spoiler]They could be represented by adjacent letters, which would make the last line 5 symbols, not 3. But I'm not good at these, so… I think you're right about that, actually. Looking over DanD's post, I realized that if the last line is merely three letters, then it doesn't shar...
by DanD
Thu May 12, 2016 10:06 pm UTC
Forum: Science
Topic: Bad science jokes!
Replies: 100
Views: 34280

Re: Bad science jokes!

As far as I know, this one is original to me:

A whole bunch of atoms get sick of city and decide to go live in a pack out in the wild. After some discussion, they finally settle on putting the helium ion in charge.

After all, it's the alpha.
by DanD
Thu May 05, 2016 9:15 pm UTC
Forum: Science
Topic: How Far Can A Person Walk Into The Desert?
Replies: 27
Views: 8519

Re: How Far Can A Person Walk Into The Desert?

Arctic/Antarctic travel routinely relies on fuel to melt water, not body heat, directly or indirectly. In short, melting it using body heat is effectively using food to melt it fairly inefficiently. Maybe fine if you are in an environment where you have excess heat/carrying capacity, or if you ran ...
by DanD
Wed May 04, 2016 5:22 pm UTC
Forum: Science
Topic: Dropping a Cloud Nine From Orbit
Replies: 38
Views: 6699

Re: Dropping a Cloud Nine From Orbit

Maybe instead of building it underwater, you could build it from the bottom up at the water's surface. The idea is *mumble mumble* buoyancy force *mumble mumble*. Also, you should build it in a lake because salt water is VERY corrosive and lakes do not have a current. Finding a big enough lake woul...
by DanD
Wed May 04, 2016 2:42 pm UTC
Forum: Science
Topic: Dropping a Cloud Nine From Orbit
Replies: 38
Views: 6699

Re: Dropping a Cloud Nine From Orbit

Ouch. If you have that figure right, then it's equivalent to the energy output of a 1.5 MEGATON nuke, or the total sunlight on a square kilometer of land for three whole YEARS. Hmm, something seems off here, because the air in the sphere described should only mass six or seven million metric tonnes...

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