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Tim Smith
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Tim Smith

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Cool bookmarklet: http://dzejkej.github.com/mathjax-bookmarklet/

Use it when you see things that look like the following paragraph, and it will render them for you.

$\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$

By default, it seems to mess up on Google+, but if you right click and play with the settings, you can change the renderer to one that works better.
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Tim Smith

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Libertarian: someone who believes that the ideal form of government for Gilligan's Island would successfully scale to 300 million people.
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Great blog: http://lawandthemultiverse.com/

They cover legal issues of superheroes and supervillians.
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Listening to an interesting album called "Canon in D in Various Modes" by someone called ":Pachelbel" (yes, the colon seems to be part of the name).

It consists of Johann Pachelbel's famous "Canon in D" played (as you might guess from the title) in various modes: aeolian, locrian, ionian, dorian, phrygian, lydian, and mixolydian (plus some other amusements, like playing it backwards).

Some of them are quite interesting, but also a bit disturbing in what I think might be the musical equivalent of the uncanny valley (http://en.wikipedia.org/wiki/Uncanny_valley).
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Tim Smith

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Hah...someone in guild chat said they had just finished watching "Glee" for several straight hours.

I responded that by definition if you watch "Glee" for several hours, you aren't doing it straight.
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Tim Smith

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Is there anything The Ventures cannot make awesome?
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I don't know what is more awesome--that someone asked on Reddit how fast a marshmallow would have to be going at sea level to be roasted from the heating due to air resistance....or the fact that someone actually calculated the answer (mach 1.6).

http://www.reddit.com/r/AskReddit/comments/iq1f6/how_fast_would_a_marshmallow_have_to_be_flying_at/c25qpec
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Have him in circles
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Tim Smith

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The Ron Paul people on Reddit have an organized effort underway to spam Paul to the top of this Time Magazine poll concerning who should be Man of the Year for 2011: http://www.facebook.com/questions/10150351535101491/?qa_ref=qd

Let's show them how to really spam a poll. Go there and vote for Dennis Ritchie.
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Keychain Access is no longer scriptable via AppleScript in OS X Lion, it appears. Probably not going to affect most of you, but in case I'm not the only one who was doing that, thought I'd give a heads up.

Looks like a can do what I want with the "security" command-line program instead.
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Tim Smith

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Jake Gross originally shared:
 
For the noobs. Feel free to share at will.

Created by +Simon Laustsen. Props.
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Heard an interesting puzzle on "Car Talk". There are 30 prisoners scheduled for execution. The warden decides to give them a chance for clemency, by posing them a challenge. He tells them that the next morning he is going to take them out to the yard, and have the stand in a single file line, so each prisoner can see the prisoners ahead of him in line, but cannot see those behind him.

The warden is then going to go down the line from back to front, and put a hat on each prisoner. Some prisoners will get a white hat and some a black hat. Remember, the prisoners can see all the hats in front of them, but cannot see their own hat or the hats of those behind them.

The warden will then go to the back of the line and ask the prisoner what color is hat is. The prisoner will announce his answer, and all the other prisoners can hear this.

The warden then goes to the next prisoner and asks the same question, and so on down the line.

At the end, every prisoner who stated his own hat color correctly will be pardoned and released. The rest will be executed on schedule.

The prisoners are allowed the night before to talk among themselves for an hour to try to work out a strategy to try to improve their odds.

Question: what is their best strategy?

PS: some clarifications.

1. The prisoners do not know how many hats that warden has of each color. He might even give them all the same color.

2. The prisoners do not know how the warden will decide the colors for each prisoner. He might make some nice pattern, or might just reach into his bag of hats and pull one out at random.

3. Each prisoner only gets to state one word: "black" or "white".

4. It would be nice if your solution worked for numbers other than 30 prisoners.
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Have him in circles
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Jon Delmendo's profile photo
Dennis Gooden's profile photo
Josh L.'s profile photo
Miguel de Icaza's profile photo
David Nason's profile photo
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