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kladner 2013-02-05 17:52

Many thanks! :smile:

Batalov 2013-02-05 18:05

The 3-dimensional (crystallographic) space group is the next wallpaper extension. There are 230 of them.

For determining the protein structure, X-ray crystallography is used, and because proteins (and DNA) are chiral objects, they cannot form crystals of approximately half of these space groups (those that involve reflection). Take, for example P2[SUB]1[/SUB]2[SUB]1[/SUB]2[SUB]1[/SUB]; I remember that almost a quarter of the PDB structures were in this group. Using space groups together with Fast Fourier Transform in some challenging stuff to write, but for some groups it provides for significant acceleration of computations. (Well, it is already written for many, if not all groups.)

cheesehead 2013-02-06 06:36

1 Attachment(s)
Re: recent discovery under car park:

sichase 2013-02-06 12:36

[QUOTE=cheesehead;328002]Re: recent discovery under car park:[/QUOTE]


[IMG]http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Sues_skeleton.jpg/220px-Sues_skeleton.jpg[/IMG]

Sue pwns Richard IIII.

only_human 2013-02-09 01:27

[URL="http://extramustard.si.com/2013/02/08/worlds-most-incredible-video-game-collection-is-selling-for-550k-on-ebay/"]World’s Most Incredible Video Game Collection Selling For $550K[/URL]
Looking at the Ebay listing, it is for 10 days and has one bid so far. This is in Milan, Italy and the English language description is decently good. I like this last bit of disclosure: [QUOTE]All the games are stored in a basement with the right temperature, not too hot, not too cold, no humidity, no smoke and no direct light. [B]I have a pet but he’s not interested in videogames...[/B][/QUOTE]

Batalov 2013-02-09 23:53

1 Attachment(s)
One of the only effective uses of [SPOILER][COLOR=white]white colored text[/COLOR][/SPOILER] that I had seen. (I have it. Autographed, too.)

kladner 2013-02-12 19:01

We Seriously Need to Sign This Guy Up
 
Here's something I got wind of from an email bulletin.

[URL]http://www.overclock.net/t/1276524/odd-gpu-overheating-issues-on-new-watercooling-build#post_17602778[/URL]

Here is the meat of the matter-
[CODE]
CPU: Core i7-3960X (O.C.'d to 3.9 GHz currently)
GPU: 3 x EVGA GTX 580's
CPU Waterblock: Swiftech APOGEE HD Ultimate Extreme Performance Water Block
GPU Waterblock: eVGA Hydro Copper 2 Waterblock for GTX 580
Radiators: 1 x Black Ice GTX Extreme 120 and 1 x Black Ice GTX Extreme 360
[/CODE]Talk about a "farm in a box"!

EDIT: I wonder if he's got a 240v circuit to run that thing.

rogue 2013-02-13 13:28

Maybe I should start a "Perpetual Darwin Awards" or "Perpetual Karma" thread.

[URL="http://www.foxnews.com/health/2013/02/12/heart-attack-grill-pokesman-dies-heart-attack/"]"Heart Attack Grill" spokesman dies of heart attack[/URL]

cheesehead 2013-02-14 01:26

[url]http://earthobservatory.nasa.gov/IOTD/view.php?id=80330&src=eoa-iotd[/url]

kladner 2013-02-14 02:07

An amazing sight!

Dubslow 2013-02-14 22:58

[i]Dude[/i]

[youtube]6Vh7WMnMU_w[/youtube]

And it's available for Linux too!


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