Now on ScienceBlogs: Not the Real Face of Jesus
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!
August 31, 2009
Category: Math
Okay, as many of you had heard, I've got a new job as a full-time Professor. And not only am I pretty excited about it, I thought I'd share with you one of the more interesting things I taught on...
Posted by Ethan Siegel at 6:29 PM • 33 Comments • 0 TrackBacks
August 30, 2009
Category: Education
Ain't no sunshine when she's gone. It's not warm when she's away. Ain't no sunshine when she's gone And she's always gone too long anytime she goes away. Bill Withers' song Ain't No Sunshine has been covered by over...
Posted by Ethan Siegel at 12:36 PM • 32 Comments • 0 TrackBacks
August 28, 2009
Category: Physics
Yesterday, I showed you a picture of 100,000 nearby galaxies, which made me feel small, even when we just look at our (relatively) local Universe. Today, let's go down to the other end of the spectrum. Electron microscopes have been...
Posted by Ethan Siegel at 5:46 PM • 17 Comments • 0 TrackBacks
August 27, 2009
Category: Galaxies
Ever wonder what it would look like if you took about 100,000 nearby large (i.e., Milky Way sized and larger) galaxies, reduced each one to a point, and mapped them? Well, at Swinburne University of Technology in Australia, they did...
Posted by Ethan Siegel at 2:44 PM • 29 Comments • 0 TrackBacks
August 26, 2009
Category: Astronomy
On Monday, I posed a question to you as to why, when you photograph the Sun at the same exact time every day for a year, you get something that's shaped like a figure 8, like so: We got a...
Posted by Ethan Siegel at 11:27 AM • 18 Comments • 0 TrackBacks
August 25, 2009
Category: relativity
There's a new book out there, Why Does E=MC2 (and Why Should We Care?), by Brian Cox and Jeff Forshaw. One of Seed's editors, Elizabeth Cline, took a read through it and wrote about her experiences and what she learned....
Posted by Ethan Siegel at 8:30 AM • 24 Comments • 0 TrackBacks
August 24, 2009
Category: Astronomy
I'm trying something new here: I'm going to give you a little bit of information and a teaser, and we'll see -- in the comments section -- whether any of you can figure it out. Imagine that you went outside,...
Posted by Ethan Siegel at 11:04 AM • 27 Comments • 0 TrackBacks
Category: Astronomy
Once a week, all the top astronomy/space writers from around the net get together -- thanks to Fraser Cain at Universe Today -- and contribute their top stories to the Carnival of Space. This week, Mike Simonsen of Simostronomy hosts,...
Posted by Ethan Siegel at 10:04 AM • 2 Comments • 0 TrackBacks
August 22, 2009
Category: Random Stuff
New technology has led to breakthroughs in practically every aspect of our lives since the dawn of the industrial revolution. In nearly every case, it's for the betterment, in some way, of society. (And yet, I like my music best...
Posted by Ethan Siegel at 1:03 PM • 11 Comments • 0 TrackBacks
August 21, 2009
Category: big bang
Recently, a discussion started in one of my comment threads about whether the Big Bang was necessarily valid or not, and whether there were any reasonable alternatives. The answer is that not only is the Big Bang the best theory...
Posted by Ethan Siegel at 10:34 AM • 27 Comments • 0 TrackBacks
The Frontal Cortex 03.29.2010
Laelaps 03.29.2010
Living the Scientific Life (Scientist, Interrupted) 03.29.2010
Observations of a Nerd 01.26.2010
Neuron Culture 03.29.2010
