Search found 465 matches

by wumpus
Tue Sep 06, 2016 7:19 pm UTC
Forum: Hardware
Topic: Intel & Micron announce “3D XPoint” memory
Replies: 17
Views: 7290

Some competition

http://nantero.com/technology/ No idea how close they are to production, but they inked a deal with fujitsu recently. Pretty much claim the same or more as 3d Xpoint, but there seem to be the slightest whiff of wesealing that makes me think that you can have: speed of RAM OR less power than flash OR...
by wumpus
Mon Aug 29, 2016 6:40 pm UTC
Forum: News & Articles
Topic: GOP Operative Confesses: Most PACs Are Scams
Replies: 30
Views: 3410

Re: GOP Operative Confesses: Most PACs Are Scams

Is this legal? Aren't PACs counted as non-profit charities? What's the technical term in English. NGO? Anyway, aren't there rules about what those sort of clubs can do? Presumably I can't start a charity, collect lots of donations, and then give myself all the moneys. The odd thing is that since th...
by wumpus
Mon Aug 15, 2016 6:01 pm UTC
Forum: General
Topic: A comic ripping off XKCD?
Replies: 9
Views: 3602

Re: A comic ripping off XKCD?

Are there any good "fan cartoon" XKCDs around? One of the girls who modeled a guitar and bikini on wetriffs had one, but that was abandoned shortly afterwards as she prepared to go off to college (but seemed to live on almost as long as wetriffs itself). I can't think of any others.
by wumpus
Mon Aug 15, 2016 5:54 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1720: "Horses"
Replies: 55
Views: 4998

Re: 1720: "Horses"

I suspect Randall is idealizing horses a little too much. Yes, horses can balk at conditions they see as unsafe, but they still have their limits, including that they are domesticated, and trained to obey human orders. An unwise human rider can certainly ride a horses into unsafe terrain, urge them...
by wumpus
Wed Aug 03, 2016 4:27 pm UTC
Forum: Hardware
Topic: Planned obsolescence and the best computer ever
Replies: 10
Views: 3086

Re: Planned obsolescence and the best computer ever

90s laptop? For a decade? How many spare backlights to you have and how good are you at replacing them? Note that this should be considered a "wear item" and replacing such is pretty much standard practice. The inductors and power transistors for inverter that drives the backlight should r...
by wumpus
Mon Jul 18, 2016 6:48 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1708: "Dehydration"
Replies: 109
Views: 7239

Re: 1708: "Dehydration"

Hydrated = Your urine is clear (with exceptions for 'electric neon yellow' vitamin B coloring, 'murder red' beet juice dye) Not enough people know this. Actually, this is by far the most common bit of pop hydration advice you will get from friends and strangers, and it is not based on a single bit ...
by wumpus
Thu Jul 14, 2016 2:10 am UTC
Forum: Hardware
Topic: Overclock
Replies: 1
Views: 3133

Re: Overclock

80% fps improvement in games? On more than one? Getting 25% improvement would be shocking. 80% implies far more changes that can be expected. I hope the temperatures are survivable (I really can't tell anymore). About the only thing that I can think of that would cause such a thing (80%) would be so...
by wumpus
Sat Jul 09, 2016 5:01 pm UTC
Forum: News & Articles
Topic: Red Cross Skims Off 25% of Donations
Replies: 24
Views: 3955

Re: Red Cross Skims Off 25% of Donations

Are there any other ways to give blood in the US? Not only are there issues with the Red Cross themselves, but they feel the need to harass anyone so gullible to give them blood by calling multiple times a day demanding more blood (cell, landline, whatever. They hammer them all). I used to give bloo...
by wumpus
Fri Jun 24, 2016 4:51 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1698: "Theft Quadrants"
Replies: 21
Views: 3631

Re: 1698: "Theft Quadrants"

Nuclear launch codes: Presumably these are what the President gets from the football, not the "0000" that for all we know is still used to arm the nuclear weapons.
by wumpus
Wed May 18, 2016 4:05 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1671: "Arcane Bullshit"
Replies: 27
Views: 4499

Re: 1671: "Arcane Bullshit"

I'm really wondering what in the world happened to Randal this week. Obviously, when he was working at NASA you could call this happening "Wednesday" (less true in the robotics department, but they probably have a ton of microcontrollers strewn around that were (and the toolchain) designe...
by wumpus
Wed May 18, 2016 3:40 pm UTC
Forum: News & Articles
Topic: Supermyths: Myths About Debunking Myths
Replies: 30
Views: 4450

Re: Supermyths: Myths About Debunking Myths

While the idea of debunking the mythical debunking is interesting, I have to question the utility of debunking a "just so story" and use a term as charged as "debunking" for it. When are trying to determine a specific historical effect (not so much an event, but what it meant), y...
by wumpus
Mon May 09, 2016 4:56 pm UTC
Forum: News & Articles
Topic: The Thread To Remind Me We're Living In The Future
Replies: 1321
Views: 160747

Re: The Thread To Remind Me We're Living In The Future

https://www.youtube.com/watch?v=vrLJ3jCgn84 SpaceX successfully lands again. More impressively was that this was from geosynchronous orbit. The landing was much more aggressive in this one than the earlier landing, some people are estimating an average approach acceleration of 4 to 5g (40m/s^2 to 5...
by wumpus
Fri Apr 22, 2016 6:42 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 5241
Views: 619295

Illinois considers trying to limit prison for the innocent.

http://www.bbc.com/news/world-us-canada-35971935?utm_source=fark&utm_medium=website&utm_content=link Pretty bad when you understand that the legal system will simply take whoever the cops first arrest and lock them up. Illinois now considering not prosecuting and throwing into prison the obv...
by wumpus
Fri Apr 22, 2016 6:00 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1671: "Arcane Bullshit"
Replies: 27
Views: 4499

Re: 1671: "Arcane Bullshit"

Where on the graph does "actually enjoys programming in assembler but can't be assed to figure out how makefiles work" fall? http://store.steampowered.com/app/370360/ TS-100 is for you. I'm really wondering what in the world happened to Randal this week. Obviously, when he was working at ...
by wumpus
Mon Apr 18, 2016 3:03 pm UTC
Forum: Serious Business
Topic: energy currency?
Replies: 63
Views: 8855

Re: energy currency?

Eh, nobody really cares much about backing these days. And it's fairly hard and expensive to actually put megawatts under your mattress. This pretty much kills it. Call aluminum "frozen electricity" all you want, you can't get the electricity out of the aluminum. Hydrogen is a pretty lous...
by wumpus
Tue Apr 12, 2016 4:20 pm UTC
Forum: The Help Desk
Topic: Wanted: "Layered/tiered" password manager
Replies: 15
Views: 3663

Re: Wanted: "Layered/tiered" password manager

You store passwords in the cloud? Well there's your problem... What you need isn't a "layered/tiered" system, but crytographic salts. Salts are something added to a password to change from a generic/reused password to a unique one. The most common example is when having passwords for multi...
by wumpus
Tue Mar 29, 2016 3:15 pm UTC
Forum: Science
Topic: Engines big enough....
Replies: 28
Views: 3969

Re: Engines big enough....

edit: also you don't have to necessarily go straight up. startram which has been mentioned before in this thread is also a kind of space gun and does not shoot straight up. You don't have to shoot straight up. It might even work better, but understand that a significant chunk of the energy will onl...
by wumpus
Mon Mar 28, 2016 9:18 pm UTC
Forum: Coding
Topic: Approximate speed classes of programming languages
Replies: 33
Views: 31832

Re: Approximate speed classes of programming languages

You could throw in microcode, though. It's like firmware for your typical CPU to "emulate" an architecture (even machine code is an abstraction now) and take care of internal tasks. But it's not really usable and tied to a particular chip revision. Microcode has a weird place in this. It ...
by wumpus
Mon Mar 28, 2016 8:56 pm UTC
Forum: Science
Topic: Engines big enough....
Replies: 28
Views: 3969

Re: Engines big enough....

It's theoretically possible to move the Earth, but it would be dangerous and take a long time. Basically the trick is to use small bodies to deflect bigger bodies using multiple passes around other even bigger bodies and lots of fiddling around to keep everything on course. In effect, you can use J...
by wumpus
Thu Mar 17, 2016 9:22 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 5241
Views: 619295

Re: Police misbehavior thread

"Scientists claim New York police forced them to fake DNA tests to convict more suspects." After reading the article, there are no quoted cases of the cops meddling with events (this is presumably why the scientists were willing to sacrifice their careers to blow the whistle. Angering a p...
by wumpus
Tue Mar 15, 2016 10:43 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 5241
Views: 619295

Re: Police misbehavior thread

In other news in Prince Georges county Maryland (home of the most controversially trigger happy cops anywhere near Washington DC [by that I mean that in other areas, shooting suspects is expected and ignored, or not done quite so often. Neither is the case in PG county]: One suspect is in jail for a...
by wumpus
Wed Feb 24, 2016 5:23 pm UTC
Forum: Serious Business
Topic: Education requirements for elected officials
Replies: 70
Views: 8874

Re: Education requirements for elected officials

Two things that I think *would* work better [than an education requirement for elected officials]: 1) Term limits. [...] 2) Limited government. [...] These are problematic, mainly because they address a different issue. 1: Term limits sound good, and the reason given sounds convincing upon first gl...
by wumpus
Tue Feb 23, 2016 10:09 pm UTC
Forum: Mathematics
Topic: Is math real?
Replies: 105
Views: 10805

Re: Is math real?

Math is complex. If you ignore the imaginary parts you are missing too much math.

Of course, there is a famous quote that says "god made the integers. All else is the work of man..."
by wumpus
Sat Feb 06, 2016 5:44 pm UTC
Forum: Serious Business
Topic: The implications of consumer 3d printing
Replies: 92
Views: 26058

Re: The implications of consumer 3d printing

Aerospace-grade precision is likely not generally the result of 3d printing. It's pretty normal for me to do some hand finishing to make pieces fit. Now, higher end printers do exist, and they are getting better, but even consistency wise, you have to be fairly careful with 3d printing. Temperature...
by wumpus
Fri Feb 05, 2016 5:55 pm UTC
Forum: Hardware
Topic: Monitors and resolution.
Replies: 21
Views: 7247

Re: Monitors and resolution.

is 4K high enough resolution that antialiasing doesn't make any noticeable difference? if not, then it's not high enough. Only if your GPU doesn't handle anti-aliasing. Now "high enough that subpixel chroma supersampling" has no effect (since GPU makers *still* haven't figured out that we...
by wumpus
Fri Feb 05, 2016 5:51 pm UTC
Forum: Hardware
Topic: I need a new desktop, might try building my own?
Replies: 34
Views: 11184

Re: I need a new desktop, might try building my own?

Eh? If the motherboard doesn't work with DDR3, I'd just return it and get a working motherboard and DDR4. I'm not why you would want a bad motherboard, slow ram, and buy more (expensive) ram. I doubt that you are going to get (desktop) DDR3L any cheaper than DDR4. - er, checked and they seem to be s...
by wumpus
Thu Feb 04, 2016 5:19 am UTC
Forum: What If?
Topic: What-If 0144: "Saliva Pool"
Replies: 18
Views: 4492

Re: What-If 0144: "Saliva Pool"

Honestly, I was expecting a squirrel picture.
by wumpus
Tue Feb 02, 2016 8:21 pm UTC
Forum: News & Articles
Topic: Bundyite militia seizes federal building
Replies: 414
Views: 34850

Re: Bundyite militia seizes federal building

If the Michael Brown shooting taught me anything, its that eyewitnesses utterly suck. This has been well established science for years. Unfortunately, the US insists on absolutely medieval standards of evidence. The only thing that is changing is just how many people have movie cameras in their poc...
by wumpus
Mon Feb 01, 2016 6:37 pm UTC
Forum: Hardware
Topic: I need a new desktop, might try building my own?
Replies: 34
Views: 11184

Re: I need a new desktop, might try building my own?

Yes, there has been some improvements in CPU since 2010. Still: SSD vs. no (or tiny, expensive) SSD: an order of magnitude improvement in latency (at least). 2016 GPU vs. 2010 GPU: A fairly large gain 2308 GFLOPS for 960, 748 GFLOPS for the 460 (note, 460 was a pretty impressive value. You could kee...
by wumpus
Mon Feb 01, 2016 5:19 pm UTC
Forum: Hardware
Topic: I need a new desktop, might try building my own?
Replies: 34
Views: 11184

Re: I need a new desktop, might try building my own?

Two sites you need to know about (obviously in addition to newegg and amazon) http://www.logicalincrements.com/ http://pcpartpicker.com Basics: In 2010 Intel was unveiling the "core" i5 and i7 family. Today we still use the i3, i5, and i7 family. Sure, they run things a little faster, but ...
by wumpus
Fri Jan 29, 2016 2:57 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1636: "xkcd Stack"
Replies: 37
Views: 5472

Re: 1636: xkcd Stack

While I don't know about hypercard.js, I have used PythonCard.py. Unfortunately, it hasn't been updated since 2006. Back around then it appeared to be the easiest way to add a GUI to python.
by wumpus
Sat Jan 23, 2016 7:01 pm UTC
Forum: Science
Topic: Landing rockets upright is unnecessary?
Replies: 61
Views: 6450

Re: Landing rockets upright is unnecessary?

First of all, the rocket is coming down 99.99% of the way tail-first (all the weight is in the tail). The thing (assuming it goes either to the limit of space like Blue Origin or well past like the Falcon9) is going to hit the atmosphere well above the speed of sound, and won't drop to subsonic for ...
by wumpus
Wed Jan 13, 2016 8:19 pm UTC
Forum: Gaming
Topic: 2015 in review
Replies: 24
Views: 2962

Re: 2015 in review

Just a note, kerbal space program left early access in 2015 and thus counts for last year. Being an xkcd forum (Randal has made a number of comics about KSP including "knowledge of orbital dynamics vs. time" and "don't say it works in KSP", plus mentions in the alt text) I though...
by wumpus
Fri Jan 08, 2016 7:42 pm UTC
Forum: Science
Topic: SpaceX manned moon landing: Falcon Heavy/Dragon V2
Replies: 9
Views: 2219

Re: SpaceX manned moon landing: Falcon Heavy/Dragon V2

To get the return fuel, you would need to put a separate fuel tank in lunar orbit beforehand for the Dragon to rendezvous with. More or less true. Judging from historical examples (i.e. I don't think any rocket has discarded a fuel tank (i.e. a non-pendulum fallacy example of what KSPers call "...
by wumpus
Thu Jan 07, 2016 4:31 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1626: "Judgment Day"
Replies: 63
Views: 6468

Re: 1626: "Judgment Day"

I found the rollover text more intriguing than the main subject of the comic. It got me thinking, what wold be the requirements of a rocket to achieve same-day lunar delivery? Oddly enough, the whole topic reminded me of this video: https://www.youtube.com/watch?v=uNS6VKNXY6s&list=UUxzC4EngIsMr...
by wumpus
Thu Dec 31, 2015 5:24 pm UTC
Forum: Science
Topic: Landing a Rocket on the Mun
Replies: 23
Views: 4853

Re: Landing a Rocket on the Mun

First: the most efficient means of landing will be a suicide burn. This follows from the Obererth effect: the point you light the engines will be at maximum velocity, thus giving you highest efficiency in your rockets. The most efficient landing on a world without an atmosphere should be the same tr...
by wumpus
Tue Nov 24, 2015 4:53 pm UTC
Forum: Computer Science
Topic: Could a machine optimize language source code?
Replies: 10
Views: 4866

Re: Could a machine optimize language source code?

[quote="Tub"But you're checking O(2^n) programs against O(2^n) inputs where each computation takes up to O(BB(n)) steps. Square rooting either of those factors isn't going to put a dent in your problem. [/quote] Checking against the inputs is almost certainly a mistake (once you do that yo...
by wumpus
Mon Nov 23, 2015 5:15 pm UTC
Forum: Computer Science
Topic: Could a machine optimize language source code?
Replies: 10
Views: 4866

Re: Could a machine optimize language source code?

Brute forcing will never work. And the theoretical computer scientists have proof that there is no better way to automatically prove program equality than brute forcing. If there was, we wouldn't have bugs in our code. Intel (and to a lesser degree, all other chip design companies) spends a great d...
by wumpus
Fri Nov 20, 2015 5:26 pm UTC
Forum: Hardware
Topic: Video card and SSD update
Replies: 10
Views: 3411

Re: Video card and SSD update

Then chances are, you won't be impressed by a R9 370. I guess if you want an actual upgrade, aim for $200 USD price point with the 380 or above, maybe the 380x. From NVidia's side, aim for GTX 960 or above. Those are the only cards that are substantial upgrades over your current 6850. If this is al...
by wumpus
Tue Nov 17, 2015 5:52 pm UTC
Forum: Fit Club
Topic: Nerds In MMA
Replies: 38
Views: 22154

Re: Nerds In MMA

Ah. No, this was "seriously unheard-of world-class kickboxing and boxing defeats seriously unheard-of power and grappling skills. Now... WHAT WILL DEFEAT THE KICKBOXER?!" While I've been out of martial arts since MMA was the Gracie Brother's challenge, I'll take a guess at this. Grappling...

Go to advanced search