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The world was fresh and new and damp today. I felt recharged. Nothing of particular note happened here though, so instead I offer some links.
First, the science: Clifford|Asymptotia explains Light Cones. The super short version is, since no signal can travel faster than light, the region of the universe you can affect or be affected by is limited by where light could have reached you from a signal emitted in the past, or where a signal you emit could reach in the future. Nothing happening on Eris in the past hour, for example, could possibly have affected us yet, not until there has been time for light to arrive. Now go read the actual entry if you haven't already. Even if you know all about it Clifford's style is delightful.
Cool enough to get a separate mention, Neil of What You're Doing Is Rather Desperate mentioned in a comment a site which allows people to set up an RSS feed showing when their light cone (from the moment of their birth) passes celestial objects. I'm setting one up now.
On the recent anniversary of the rather important U.S. case Roe v. Wade was held Blog for Choice day, in which people were invited to write about why they support the right of women to control their own bodies. I don't have much particular to say for myself so here are some links to a few prominent feminist bloggers instead.
First the succinct: Roxanne|Rox Populi asks 'Why am I Pro-Choice?'
Amanda Marcotte|Pandagon writes in Blogging for choice and beyond choice why expanding talk about women's rights will actually recruit more people to the cause, not fewer.
Jill|Feministe writes the very thorough Why I'm Pro-Choice and the disturbing Antichoicers bring the Crazy. And the misogyny. And the racism. In the comments of the latter post ako says of antichoice people: "Maybe they think rape just pops out of the sky like lightning. It’s no good trying to blame lightning for existing. The only thing to do is avoid attracting it."
[Edit: More from Shakespeare's Sister on why it is important not to be complacent, plus links to others]
And in other areas of enlightenment, Frank the Financially Savvy Atheist hosts the 52nd Skeptic's Circle while over at Abe Linkum can be found the latest Carnival of the Godless.
Now would also be a good time to start reading Order of the Stick and/or Erfworld for those who aren't already. Rich Burlew has just added an RSS feed to the site and it goes right back to the beginning of the comics. Handy for just scrolling through them.
First, the science: Clifford|Asymptotia explains Light Cones. The super short version is, since no signal can travel faster than light, the region of the universe you can affect or be affected by is limited by where light could have reached you from a signal emitted in the past, or where a signal you emit could reach in the future. Nothing happening on Eris in the past hour, for example, could possibly have affected us yet, not until there has been time for light to arrive. Now go read the actual entry if you haven't already. Even if you know all about it Clifford's style is delightful.
Cool enough to get a separate mention, Neil of What You're Doing Is Rather Desperate mentioned in a comment a site which allows people to set up an RSS feed showing when their light cone (from the moment of their birth) passes celestial objects. I'm setting one up now.
On the recent anniversary of the rather important U.S. case Roe v. Wade was held Blog for Choice day, in which people were invited to write about why they support the right of women to control their own bodies. I don't have much particular to say for myself so here are some links to a few prominent feminist bloggers instead.
First the succinct: Roxanne|Rox Populi asks 'Why am I Pro-Choice?'
Amanda Marcotte|Pandagon writes in Blogging for choice and beyond choice why expanding talk about women's rights will actually recruit more people to the cause, not fewer.
Jill|Feministe writes the very thorough Why I'm Pro-Choice and the disturbing Antichoicers bring the Crazy. And the misogyny. And the racism. In the comments of the latter post ako says of antichoice people: "Maybe they think rape just pops out of the sky like lightning. It’s no good trying to blame lightning for existing. The only thing to do is avoid attracting it."
[Edit: More from Shakespeare's Sister on why it is important not to be complacent, plus links to others]
And in other areas of enlightenment, Frank the Financially Savvy Atheist hosts the 52nd Skeptic's Circle while over at Abe Linkum can be found the latest Carnival of the Godless.
Now would also be a good time to start reading Order of the Stick and/or Erfworld for those who aren't already. Rich Burlew has just added an RSS feed to the site and it goes right back to the beginning of the comics. Handy for just scrolling through them.
