Teachers College Record chooses a couple of articles each week to offer freely to visitors to its website. These are featured in their email newsletter (TCRecord this week), and goes out to thousands of people. Imagine my surprise when I opened my newsletter a few minutes ago. Turns out that the article chosen this week is none other than the 2006 piece written by Matt Koehler and myself, Technological Pedagogical Content Knowledge: A Framework for Teacher Knowledge! That’s pretty cool.
Shape of the earth, top 10 reasons
I have written previously about determining the shape of the earth... for instance, here is a post on seeing the shape of the earth using eclipses. (A somewhat similar effect could be seen in my photo of the moon during a lunar eclipse). On the web, I found another...
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