Tag Archives: teaching

Seriously? On the high prices of textbooks.

I was talking to a colleague of mine yesterday, and he was surprised to find that a number of the students in his mechanics course didn’t have the course textbook, because the bookstore was selling it for upwards of two … Continue reading

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Congratulations, Graduates!

I went to the Drexel 2010 commencement yesterday. It was a great day for the Physics Department, during which we graduated a record 14 students, and for me in particular. I got to hood my first doctoral student, Sanghamitra Deb. … Continue reading

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A last minute cosmology review

I’m giving my cosmology final in a little bit, and apparently, the students were up all night coming up with mnemonics for the big bang. Here’s one from Coleman: God gives us: PIe and Dairy Queen, but Mom says No … Continue reading

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Some time travel animations

Over the next few months, I’m giving a bunch of talks. Be sure to check your local listings to see if I’ll be coming to a venue near you. Anyway, I decided to make a few illustrative movies on wormhole … Continue reading

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Last day of term

On a personal note, today’s the last day of Fall term at Drexel, and my freshpeople have their final exam 8am monday. If any of you are reading this, shouldn’t you be studying instead? After that, it’s smooth sailing until … Continue reading

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On playing dumb.

I’ve been thinking about a pedagogical question lately. When teaching introductory classes, why do we spend so much time on history, especially the bits of history wherein the ancients (or not so ancients) end up being very, very wrong? In … Continue reading

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Inponderables

Over the last several lectures, I’ve been covering special relativity in my freshman majors class. We derived the Lorentz transforms on Friday, and then spent yesterday showing how our previous work leads inevitably to E=mc2. As a technical aside, if … Continue reading

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It's fall, and that means it's GRE time!

For the most part, I don’t like to do a lot of excessive rebroadcasting and blockquoting in this blog. However, I ran across a very interesting entry by John Conway at the Cosmic Variance blog about his experiences on the … Continue reading

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The high price of (academic) business

Hi kids. It’s September, and you know what that means. It’s time to go back to school and realize that tuition has gone up yet again. I know, I sound like your Grandpa. I can remember the days when Cokes … Continue reading

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Grades, why do you exist?

As you may know, my day job is as a Physics professor at Drexel. We just finished up our spring term, and once again I’m left exhausted by the process of assigning grades and enforcing the grading policy. To many … Continue reading

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