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Ethan Siegel is a theoretical astrophysicist who currently teaches at Lewis & Clark College in Portland, OR. You can learn about him, contact him, or just enjoy the site.
April 8th @ 7PM -- premiere of the short film "Dark Matter", starring me, at Hollywood Theatre in Portland, OR!
March 31, 2008
Category: Solar System
Those of you who know me know that I'm unhappy living here in Arizona. The landscape and ecosystem of the Sonoran Desert, while beautiful to many, is too dry, rocky, and devoid of life for me to enjoy living...
Posted by Ethan Siegel at 12:50 PM • 11 Comments • 2 TrackBacks
March 29, 2008
Category: Random Stuff
I remember being a kid and taking karate lessons. How cool was it to go somewhere for the purpose of learning how to kick ass? It was fun, of course, and one of the things you learned how to do...
Posted by Ethan Siegel at 2:05 AM • 0 Comments • 0 TrackBacks
March 28, 2008
There's a movie coming out on Creationism, Intelligent Design, and Evolution, called Expelled, and it's narrated/hosted by Ben Stein (right), a TV/film personality who is an overall intelligent guy (and used to have the TV show Win Ben Stein's Money),...
Posted by Ethan Siegel at 3:02 PM • 9 Comments • 0 TrackBacks
March 27, 2008
WARNING: Sensationalism ahead! Are you kidding me, Newsweek? They really titled their article Will Physicists Find God? Presumably, the title is named because physicists are searching for the Higgs Particle, and the title is taken after Leon Lederman's (mediocre, IMO)...
Posted by Ethan Siegel at 2:05 AM • 5 Comments • 0 TrackBacks
March 26, 2008
Category: Dark Matter
So last week I was up at Pacific University in Portland, OR for a job interview. As part of a faculty interview, you have to lecture on a topic for undergraduates, but they give you the topic just a couple...
Posted by Ethan Siegel at 8:42 PM • 1 Comments • 0 TrackBacks
Category: Scientific papers
Last week, the brightest gamma-ray burst ever was observed. (See here.) I wanted to know what it was that caused this bright explosion that, despite it being at redshift z=0.94 (or about 7.5 billion light years away), it was visible...
Posted by Ethan Siegel at 1:21 PM • 0 Comments • 3 TrackBacks
March 25, 2008
This is some very basic biology: when resources are unlimited and there are no pressures on a species, its population grows exponentially. There's also no evolution other than random mutations; without selection pressures (regardless of whether it's natural or artificial),...
Posted by Ethan Siegel at 2:05 AM • 7 Comments • 0 TrackBacks
March 24, 2008
Cameras, CCDs, prisms, grisms, etc., are all some of the instruments that can go on top of telescopes to help us see things better. We haven't really increased the size of telescopes so much as we have the quality and...
Posted by Ethan Siegel at 10:33 PM • 0 Comments • 0 TrackBacks
Those of you who keep up with your news may have seen this headline on CNN last week: Star Explodes Halfway Across Universe. What they're talking about is a Gamma-Ray Burst, which was so bright that, despite being 7.5 billion...
Posted by Ethan Siegel at 10:15 AM • 0 Comments • 1 TrackBacks
March 22, 2008
Remember the TV show Saved By The Bell? It was a high school comedy that was popular when I was in Junior High, and it was, of course, completely preposterous and cheesy. Like what you'd get if you married Beverly...
Posted by Ethan Siegel at 2:05 AM • 0 Comments • 0 TrackBacks
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