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Subscriptions

You can now “subscribe” to the blog.  This will send you an email once a day listing any new posts, comments, etc.  This might make it easier to keep up with what’s going on.
To subscribe:

Log in.
Click “Site Admin”.
Click “Profile”.
Click “Subscriptions”.
Select “yes” and submit the entry.

That should do it.
You can also RSS-feed the blog, if you [...]

Trial of classroom polling.

Create your own sms poll at Poll Everywhere

Build television sms voting polls at Poll Everywhere

Replacing Reading Quizzes

As mentioned in class, I am no more fond of giving reading quizzes as you are of taking them.  They consume class time, my time to write and to grade, and your time to prepare.  All that being said, they do serve a purpose:  They associate a direct cost with failing to do the reading.  [...]

User Icon

If you’d like to have a little icon appear next to your name, you can visit www.gravatar.com and register for a free account there.  Many sites across the Web use these so-called gravatars so you would have a uniform icon.  You have to use the same email as the one you used in registering for [...]

Welcome to Space Science & Astrophysics, AY2009B

The blog has been reset and readied for a new semester.  Welcome to the new students in the class.
AY2009B, if you’re curious, stands for “Academic Year 2009″ — the year of graduation — and the “B” means second semester.
There are no further instructions in this post.