Category Archives: Lectures

Portfolio Verification Day

WED MAY 01 We’ll be double-checking your Portfolio for completeness and compliance on the last day of class, WED MAY 01. Consider it your Final Exam, essential to passing the course. Once we’ve verified your Portfolio complete, I’ll confirm your … Continue reading

Posted in davidbdale, Lectures, Portfolio Davidbdale | Leave a comment

Why the Challenger Exploded

Why Challenger Exploded In January, 1986, the solid booster rockets that were to launch NASA’s space shuttle Challenger into orbit suffered a catastrophic failure 73 seconds into the launch. All seven crew were killed in the disaster, most likely from … Continue reading

Posted in davidbdale, Lectures | Leave a comment

Draft Causal Argument—Username

9/11 Made America More Racist It seems that racism has been around since before the dawn of time itself. It has thrived in the best and worst of times and in every corner of the earth, doing particularly well in … Continue reading

Posted in Lectures | 7 Comments


Counterintuitive Thinking In case I forget to ask you later, somewhere in your Notes today, please tell me what specific example in the lecture provided you with the clearest understanding of what I mean by counterintuitive, and why. Before we begin … Continue reading

Posted in davidbdale, Lectures | 14 Comments