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StumbleUpon: Discover new sites. A bit of everything

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i are bored always visiting the same sites I recommend this tool. StumbleUpon called and it is a bar that is installed in your Firefox or Explorer browser by adding a series of buttons.

The first button is Stumble! and every time you to do click it will go to a random website. If you like the site you click on I like it! and if not in the hand with the thumb down. Depending on your votes (and that you will make the log-in before on his website) the system will learn what you like and what does not. What it does internally is to compare that information with from other users and will refine the recommendations and sites that send you. You can also choose the categories that you like from dozens there to filter the results somewhat. The bar has a few more options: puodeis see other users who like the same page that you are watching, reading mini-reviews I write about themselves and others.
By the way, you can also choose the language in which you want to look for the websites by clicking it in and All Languages \u200b\u200b.

Personally I love this tool because it leads to very interesting sites that otherwise would not find and it is really addictive!

Mario Salieri Film Incesto

supersaturated vapor, traces of bubbles and Geiger counters - Part

Looking somewhat unstable particle detector for your home? How about a liquid at boiling point of entering?


With this basic principle, Donald Glaser development in the mid-twentieth century bubble chamber. In essence it was a cylinder containing a clear liquid at a temperature just below its boiling point. But the temperature depends on the pressure. A piston moving down the pressure and began to form bubbles as the liquid quickly came to a boil. And, as in the cloud chamber, radiation favored the formation of ions and these bubbles. Bubbles grew rapidly with decreasing pressure.

So the problem is transferred to the detection, among a lot of bubbles, a trail, a path, which indicates the presence of radiation, electric charge and even speed. It used to cameras sets arranged around the cylinder. This achievement provide the Nobel prize to its inventor.


But I can not finish without mentioning the most famous particle counter and "peliculero" of all. The Geiger counter . This detector has a similar principle to the above. Here the power imbalance. We have a closed tube filled with gas with a strong electric field. A field weak enough to not start gas electrons but strong enough to accelerate. Thus, a weak radiation can remove an electron to be attracted to the positive. To gain speed and hit other atoms will fall off even more electrons causing an "avalanche" electron, in short, an electrical current. Something like a grain of sand that collapses a mountain of beach. Adding amplifiers and speaker, this current becomes the chirp of so many classic films. A change is not very accurate. The counter name is because it has the particles, or in some cases, gamma radiation, but it says nothing about its composition or energy.

I always was impressed by the ingenuity used to investigate decades or centuries without all the technology we now have at our disposal. Maybe it's a childhood memory. I can not help but imagine MacGyver using a bottle of Coca-Cola agitated as detector particles. Okay, sure, but would not work great on your list of problems solved.

Category: Physical

Tech Deck Dude Ninja Name

P ara end of the week I leave you with a number of interesting links at the same geeks xD



Wang Momo Icons: say are causing a sensation in China. Molan much!

Seal Cam: Live WebCam 24 hours from the beach in California. Sounds good, right? Do click and tell me. Find

differences : typical game look for differences between two images.

The geek table: For those who like the pool and new technologies this is your table. It incorporates an LCD TV with integrated stereo speakers on the table, DVD player, game console, lights for night play, mirror, cabinet-bar ... The price is $ 12000. Does anyone know how many euros that equal?

CFQMC : I mean, geeks that I buy things. I cool the ring to take xD
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