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A Story to Tell

January 19th, 2011

So here’s a story I want to tell more effectively. People in math courses often ask “What will this ever be good for?” But in a recent discussion on LinkedIn someone asked for an easy way to cut a parabolic curve to support the mirror for a solar heater, and the simplest method (demonstrated in the video below) is based on a fact from calculus.

What I want to learn in this course is not just how to improve the quality of that video (though that is certainly part of what I need!) but also how to most effectively bring out both the technical message about the mathematical facts involved and the meta-message about how mathematics is actually often used in applications without any explicit reference to equations or calculations.

P.S. After I referred to this in the LinkedIn discussion, Linda Fahlberg-Stojanovska created a graphical illustration of the process which complements the video.

Bag o’Gold

January 18th, 2011


This somewhat cynical response to Assignment 2 represents less my own response to the beauty of “gold” than an attempt to understand why others may not be so blown away by it. …more »

Week One

January 18th, 2011

Hello world!

January 14th, 2011

Welcome to this ‘Digital Storytelling’ blog which I have set up for the purpose of keeping ds106 material separate of my main alQpr site . This was its automatically generated “waking up” post.