Search found 83 matches

by eternalfrost
Sun Jan 11, 2015 6:47 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1253: "Exoplanet Names"
Replies: 123
Views: 29567

Re: 1253: "Exoplanet Names"

patzer wrote:Turns out an official naming procedure has now been created, but this has not been publicized.
some more info here, do a control-F for "exoplanet".


Cool. That explains why they all seem to be "Kepler xxx" these days.
by eternalfrost
Thu Jan 01, 2015 8:11 pm UTC
Forum: Religious Wars
Topic: Do you like or hate Windows 8?
Replies: 125
Views: 86567

Re: Do you like or hate Windows 8?

One of the things that makes desktop usage intuitive is that it is structured to mimic a real physical desktop. Windows are physical things which can be moved around and stacked on top of eachother. Things are organized into folders and drawers which can intuitively be navigated while giving a sense...
by eternalfrost
Thu Jan 01, 2015 7:48 pm UTC
Forum: Religious Wars
Topic: Basically Decent or Politically Incorrect?
Replies: 83
Views: 55053

Re: Basically Decent or Politically Incorrect?

Youse oughtn't use 'Y'all should'.
by eternalfrost
Wed Dec 31, 2014 9:44 pm UTC
Forum: Religious Wars
Topic: Plural of "Octopus"
Replies: 89
Views: 45953

Re: Plural of "Octopus"

Actually, the plural of octopus is octopus.
by eternalfrost
Wed Dec 31, 2014 9:41 pm UTC
Forum: Comics/Graphic Novels
Topic: Recommend me an awesome graphic novel
Replies: 229
Views: 101302

Re: Recommend me an awesome graphic novel

Transmetropolitan
The killing joke
Watchmen
V for Vendetta
Akira
Death Note
by eternalfrost
Mon Dec 29, 2014 8:29 am UTC
Forum: Hardware
Topic: 24V or 30V from PSUs
Replies: 4
Views: 5775

Re: 24V or 30V from PSUs

24VDC supplies of a few hundred Watts are cheap; like 20 bucks. Below is one Chinese example from a minute looking on Amazon. SUPERNIGHT(TM) 24V 15A 360W DC Regulated Switching Power Supply eBay always has tons of these types of things from surplus too. You should find a very nice unit there for 10-...
by eternalfrost
Mon Dec 29, 2014 8:22 am UTC
Forum: Hardware
Topic: Watercooling with tap water
Replies: 18
Views: 11330

Re: Watercooling with tap water

First, running water down the drain 24/7 will rack up your bill pretty quick. Of course, it depends on what flow rate you are using and where you live but pushing up past $100 per month would be easy to do. Second, typical household tap water is full of dissolved minerals and other things. In a clos...
by eternalfrost
Mon Dec 01, 2014 6:42 am UTC
Forum: Religious Wars
Topic: Tablets - iPad vs. MS Surface vs. Asus Transformer Prime
Replies: 26
Views: 34095

Re: Tablets - iPad vs. MS Surface vs. Asus Transformer Prime

For casual web browsing on your couch, its hard to beat an ipad. It is a shame it costs so much and can't easily hook into a non-itunes sanctioned media center though...
by eternalfrost
Wed Nov 19, 2014 6:07 am UTC
Forum: Comics/Graphic Novels
Topic: The Maxx
Replies: 13
Views: 15336

Re: The Maxx

Is this available anyplace online?
by eternalfrost
Mon Nov 17, 2014 4:59 am UTC
Forum: Religious Wars
Topic: Star Trek vs. Star Wars
Replies: 360
Views: 146644

Re: Star Trek vs. Star Wars

Picard always wins.

Image
by eternalfrost
Tue Nov 11, 2014 6:33 am UTC
Forum: Comics/Graphic Novels
Topic: Most romantic comics
Replies: 17
Views: 33675

Re: Most romantic comics

because wanting to spend more time with someone is -really- freaky behaviour... I know when I'm with someone I like I just can't wait to get away from them. All sarcasm aside, I really don't see how that is anything other than being really sweet. "I want to change the earth's spin so I can spe...
by eternalfrost
Wed Nov 05, 2014 3:28 am UTC
Forum: Religious Wars
Topic: XML vs... sanity?
Replies: 13
Views: 18766

Re: XML vs... sanity?

I have had more luck with JSON, but I don't have much occasion to use it.
by eternalfrost
Wed Nov 05, 2014 2:40 am UTC
Forum: Religious Wars
Topic: Mouse vs Keyboard
Replies: 69
Views: 60509

Re: Mouse vs Keyboard

For coding, keyboard is better since you need both hands anyways. Anything that is not directly typing text is done with keyboards shortcuts. For 3D CAD engineering work, mouse (preferable with a few extra buttons) with left hand on WASD like you were playing a first person shooter. This way you can...
by eternalfrost
Tue Nov 04, 2014 3:01 am UTC
Forum: Religious Wars
Topic: Gamers: The inverted Y-axis poll
Replies: 87
Views: 125211

Re: Gamers: The inverted Y-axis poll

Never invert, that way your vision moves just like your cursor does.

If you are playing a flight sim, get a joystick, casual.
by eternalfrost
Mon Nov 03, 2014 1:17 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1190: "Time"
Replies: 104999
Views: 30407145

Re: 1190: "Time"

Is this still going?
by eternalfrost
Sun Nov 02, 2014 6:37 pm UTC
Forum: Hardware
Topic: Request: Advice on Efficient Upgrades of ~5 y.o. PC
Replies: 9
Views: 7292

Re: Request: Advice on Efficient Upgrades of ~5 y.o. PC

In my experience, switching to an SSD from a 7200RPM platter drive made an enormous difference for almost every application. Most noticeable is just every day browsing, boot up times, and opening programs which becomes easily 10 times faster. It also had positive effects an CPU intensive things sinc...
by eternalfrost
Thu Dec 12, 2013 5:36 am UTC
Forum: Hardware
Topic: Looking to set up remote data logging and control system
Replies: 1
Views: 4558

Looking to set up remote data logging and control system

I am building an experiment and need to set up some automated data logging and control. Ideally, it would run off a small package such as a raspberry pi or FPGA board and remotely connect to a host PC with a GUI for monitoring and control. The system would involve about 10 analog inputs and outputs ...
by eternalfrost
Sat Sep 07, 2013 12:23 am UTC
Forum: Science
Topic: Equation for field of a circular cross-section solenoid?
Replies: 7
Views: 2468

Re: Equation for field of a circular cross-section solenoid?

This is not for homework. I am working on some particle tracing code. Right now, I am defining the actual currents in the coil and then solving Maxwell's eqns for the fields at each step. This is really intensive and not necessary for what I am doing. I would like to be able to hardcode in a formula...
by eternalfrost
Fri Sep 06, 2013 11:01 pm UTC
Forum: Science
Topic: Equation for field of a circular cross-section solenoid?
Replies: 7
Views: 2468

Equation for field of a circular cross-section solenoid?

I am looking for an equation for the magnetic field in space around a solenoid of circular cross-section, i.e. a torus. All refrences I can find are either cylindrical solenoids or toroidal with the loops around the minor axis instead of major axis.

[math]\vec{B}(x,y,z) = ???[/math]
by eternalfrost
Thu Feb 11, 2010 2:32 am UTC
Forum: Music
Topic: Music Video Identification Thread
Replies: 73
Views: 79073

Re: Music Video Identification Thread

does anyone know this video? its just the song played over an old vintage (70s?) video of this older couple instructional video of how to like polka dance. it was from within the last year or so. kind of an electronic sampled song... originally saw it from a fark.com link ha its been driving me nuts!
by eternalfrost
Mon Aug 31, 2009 10:02 pm UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

been looking around some and looks like a rotary switch is what i need. but im very confused as to exactly which one...

i need 4PXT where X is the number of configurations which is up to about 8

right? one pole for each wire and a throw for each setting??
by eternalfrost
Fri Aug 28, 2009 11:34 pm UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

any wiring gurus out there?? im trying to figure out how to make all these configurations easily switchable. there are 4-7 different wring effects ive come up with. in the end id like there to be a clean dial switch or button selector panel etc to flip between them. the upsidedown and mirror ones wo...
by eternalfrost
Thu Aug 27, 2009 4:16 pm UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

they are actually 6 of the sliders. they are numbered and they all easily move. havent had time to do any thorough tests to see what they actually do though yet... also, anyone know how the electrons are accelerated in the first place? im under the impression that there is a transformer that steps u...
by eternalfrost
Thu Aug 27, 2009 5:19 am UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

heres some upskirt porn for you guys 8) 100_0436.jpg after looking more closely. the horizontal and vertical coils are very different! 100_0438.jpg the two big looking coils that dominate the picture are the control the vertical (remember your right hand rule heh) and the two are in parallel. there ...
by eternalfrost
Thu Aug 27, 2009 4:20 am UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

i had that thought. dont know if you can read the note in the crap pic :roll: the resistances are pretty much the same, low like 4 ohms IIRC i dont have anything to measure the inductance on hand and didnt want to go through buildint a LC circuit to measure it indirectly. but i assume they are the s...
by eternalfrost
Thu Aug 27, 2009 3:34 am UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

Re: CRT hacking

so i did some more poking around, this time a bit more rigorous with a breadboard and some quick notes. still cant get it the way i want it and cant for the life of me figure out why! rather then trying to type out all the connections, ill try just snapping a photo of the notes i scrawled. basically...
by eternalfrost
Mon Aug 24, 2009 3:26 am UTC
Forum: Science
Topic: CRT hacking
Replies: 17
Views: 2026

CRT hacking

i got my hands on a nice old school wood cabnet CRT tv at the thrift store the other day. opened her u and have been fooling with the deflector coils. switching things around i found some fun effects. can flip the image vertically horizontally or both. you can also get some nifty "visualization...
by eternalfrost
Tue May 26, 2009 12:57 am UTC
Forum: Mathematics
Topic: what is the name of this pattern?
Replies: 5
Views: 956

what is the name of this pattern?

could someone help my out with what this pattern is called? i know ive seen it before, something to do with the grid dimensions changing according to thier position, asymptotically approach zero width at the edges. the shirt is a tiling of such squares. screencapture from Quantum Leap BTW hah 1.jpg
by eternalfrost
Sun Apr 05, 2009 5:31 am UTC
Forum: Mathematics
Topic: Mathematica diff eq simultion help
Replies: 2
Views: 560

Re: Mathematica diff eq simultion help

well after some hacking around, i got the arm animations working with this code. Animate[ Graphics[{Thick, Line[ {{0, 0}, {Evaluate[l*Sin[theta1[t]] /. s][[1]], Evaluate[-l*Cos[theta1[t]] /. s][[1]]}, {Evaluate[l*Sin[theta1[t]] + l*Sin[theta2[t]] /. s][[1]], Evaluate[-l*Cos[theta1[t]] - l*Cos[theta2...
by eternalfrost
Sat Apr 04, 2009 11:55 pm UTC
Forum: Mathematics
Topic: Mathematica diff eq simultion help
Replies: 2
Views: 560

Mathematica diff eq simultion help

for a mechanics class I have to model an "unsolvable" system i.e. one that requires numerical solutions. Im doing a double pendulum http://en.wikipedia.org/wiki/Double_pendulum Im doing it in mathematica. Ive got the solution worked out now im just trying to make a nice animation to visual...
by eternalfrost
Wed Mar 18, 2009 5:34 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0557: "Students"
Replies: 222
Views: 43734

Re: "Students" Discussion

aleflamedyud wrote:I am in college, and I have never ever had this dream.


you have had this dream, you simply don't recall it.
by eternalfrost
Mon Feb 23, 2009 2:25 am UTC
Forum: Science
Topic: Space Elevator Modeling
Replies: 1
Views: 344

Space Elevator Modeling

So as a project for my Analytical Mechanics class we have to model a physical system which require numerical analysis. Ive always been interested in the idea of space elevators and would like to do something with them. I was thinking along the lines of the stress along the cable as the cars traverse...
by eternalfrost
Thu Jan 29, 2009 3:53 pm UTC
Forum: The Help Desk
Topic: OSX firefox bookmarks broken
Replies: 0
Views: 332

OSX firefox bookmarks broken

i recently noticed a strange glitch in my bookmarks... all of my older bookmarks work fine. but any time i add a new one, it will link to a random page in my history rather then where it is supposed to go. the page it links to changes fter awhile, but always to some page i recently visited or an ad ...
by eternalfrost
Tue Nov 11, 2008 7:26 am UTC
Forum: Science
Topic: Some questions about coils and inductance project
Replies: 3
Views: 805

Re: Some questions about coils and inductance project

so i ordered some diode bridge rectifiers and they work but they also seem to take a huge chunk out of the output levels... just a plain coil setup i can get up to +-50mV per each. with the rectifier it only gets up to 10-15mV this must be from the extra internal resistance of the diodes in the brid...
by eternalfrost
Thu Oct 30, 2008 9:40 pm UTC
Forum: Science
Topic: Some questions about coils and inductance project
Replies: 3
Views: 805

Re: Some questions about coils and inductance project

if i were to run the AC output from each coil to an individual diode-bridge rectifier. would you just string the DC outputs from the many rectifiers + connected to the next ones - etc etc? to connect them like batteries in series or would this backfire through the rectifiers or some other wierd prob...
by eternalfrost
Wed Oct 29, 2008 9:49 pm UTC
Forum: Science
Topic: Some questions about coils and inductance project
Replies: 3
Views: 805

Some questions about coils and inductance project

this is for a little project im doing more as basement tinkering o the weekend then anything important... i got an assortment of neodymium super magnets recently and have been fooling around with them. one thing has been using them to induce currents with coils and/or make little generators with the...
by eternalfrost
Sat Oct 11, 2008 11:41 pm UTC
Forum: Science
Topic: evacuated solar tubes and stirling power generation
Replies: 13
Views: 1961

evacuated solar tubes and stirling power generation

ive been interested in stirling engines for the past few months. they just seem like they could have so much potential and also hve that 'magic' science effect :) anyway the idea has been in the back of my head for heat sources to run one. and the other day i randomly stumbled across these... they a...
by eternalfrost
Sat Oct 11, 2008 11:22 pm UTC
Forum: Science
Topic: Solar energy on a cloudy day
Replies: 16
Views: 3130

Re: Solar energy on a cloudy day

stirling engines do NOT approach the carnot cycle... true,they are the only real engine that could theoretically reach it. but this would require massless, frictionless parts, no fluid resistance, no thermal resistance etc etc etc. also absolute zero at the cold sink IIRC but still given all of this...
by eternalfrost
Thu Oct 09, 2008 2:03 am UTC
Forum: Science
Topic: High temperature output heat pump
Replies: 6
Views: 1781

High temperature output heat pump

this is a question for you guys out there with more practacle experience then me in thermodynamics and heat pump systems... what would be the maximum real-life output temperature of a geothermal heat pump? after doing some research, all the heat pumps i can find are geared towards home heating, desi...
by eternalfrost
Sun Sep 21, 2008 12:40 am UTC
Forum: The Help Desk
Topic: javascript crashes all browsers os x
Replies: 3
Views: 891

Re: javascript crashes all browsers os x

so i have completly wiped my system and reinstalled os x from scratch and the problem is still happenng the same exact way as before...

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