Monthly Archives: January 2009

>Quantum mechanics without imaginary numbers

> I’ve been thinking about how the Schroedinger equation intimidates students because it is inherently complex: (note the red i). This has led me in the past to say things like “quantum mechanics is weird because apparently the universe is … Continue reading

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>screencasting software

>Well, the news came out last week about Google Video being shut down. I was not exactly happy given my plans for screencasting this coming spring semester. So I’ve spent the week trying to find some other alternatives. Here I’ll … Continue reading

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>Almost two weeks without tv

>I don’t really miss it. This past weekend there were a couple of times where just vegging in front of it sounded good but I knew there wasn’t really anything on. On weeknights I’ve been busy cleaning the kitchen, brewing … Continue reading

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>Cereal with less than 10 g of sugar

>In our continuing efforts to keep the kids healthy, I’ve decided to enforce a hard threshold of less than 10 g of sugar per serving in their cereal. I came to that number mostly arbitrarily but it’s worked out pretty … Continue reading

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>My new diet

>I’m trying to be a little more healthy this year so I’m trying to follow my new diet more closely. It’s actually very simple: if it’s homemade, you can eat all you want. I figure that all the weird preservatives … Continue reading

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>Screencasting in modern physics

>This is a continuation of my earlier post on screencasting. Here I’ll talk about my plans to use screencasting in my upcoming Modern Physics course for sophomore physics majors at Hamline. Here are some of the contributing factors for why … Continue reading

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>Screencasting

>I’ve recently taken up screencasting to aid in my teaching. I started with a fully online class I taught last fall and I’m planning to do a lot more of it in an in-person class this spring. I use free … Continue reading

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>SocCourt is my new sport

>First, I just noticed that the title rhymes (plus I got to spell rhymes which is always fun). Ok, so what is SocCourt, you ask. Well, imagine Racquetball rules with a soccer ball. You use any part of your body … Continue reading

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>Books my kids read

> We’re using Google Spreadsheets (and the cool built-in form generator) to keep track of the books we read. http://spreadsheets.google.com/pub?key=pUaHxoDA2HpDxe5FU6lY0QQ&output=html&gid=0&single=true&widget=true

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>iPod fun

> As my winter vacation comes to a close, I realize that I won’t be able to play as much with my new Jesuschristmas gift. There’s some history here: Last year my wife and I decided not to get each … Continue reading

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