QED Insight (Santo D’Agostino)

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 How does the value of an inverse cosine function change when the unit of its argument changes?
 Why do Airplanes Fly?
 New Online Tutoring Site: QED Infinity
 “Religious Right’s Rejection of Science is Baffling,” by David Suzuki
 The Day Niagara Falls Ran Dry
 “A Lesson in Teaching to the Test, From E.B. White,” by Anne Stone and Jeff Nichols
 “Student Learning Can Only Be Described, Not Measured,” by Rog Lucido
 A Neat Trick For Determining The Integrals Of exp(x) cos x And exp(x) sin x
 “No Student Left Untested,” by Diane Ravitch
 Confusing Use Of Numbers: BestBefore Dates
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Monthly Archives: February 2012
“Student Learning Can Only Be Described, Not Measured,” by Rog Lucido
Rog Lucido has written an interesting article against standardized testing, and suggesting better alternatives. (Hattip to Susan Ohanian.) He argues that the numerical aggregation of final test scores is not valid and therefore not meaningful, and that subjective assessments together … Continue reading
A Neat Trick For Determining The Integrals Of exp(x) cos x And exp(x) sin x
The standard method (typically found in firstyear calculus textbooks) for determining the integrals and is to integrate by parts twice. If you haven’t seen the standard method, I’ll show you how to do the first one; the second one is … Continue reading
Posted in Calculus, Mathematics
Tagged calculus, complex numbers, integrals, integration by parts
8 Comments
Confusing Use Of Numbers: BestBefore Dates
My wife was driving me and our children to Collingwood yesterday. I was hungry, and found a power bar in the glove box, with a bestbefore date of 09/02/12 Yesterday was 20 February 2012, and my question is: had the … Continue reading
Canadian Government Shamefully Suppresses Science
The Canadian government has a sickening recent history of persecuting whistleblowing scientists who were working hard and with integrity to protect the safety of the food supply (see here and here), then abusing the legal system to deny justice, all … Continue reading
Climate Change Denialism Highlights The Need For Public Education In Basic Science
There are many excellent newspaper and magazine columns (and internet sites and blogs) that publicize the latest research findings in science. They are important because they inform the general public about scientific findings funded by their taxes, and they communicate … Continue reading
Posted in Environment, What is science?
Tagged Aasif Mandvi, climate change denialism, climate change denialist, climate change deniers, Discovery Institute, Jon Stewart, Noelle Nikpour, Scientists in School, Should evolution be taught in schools?, Should math be taught in schools?, Should mathematics be taught in schools?, The Daily Show
2 Comments
Both Students And Professors Need Certification, and the Elsevier Boycott
I’ve written before about the evils of grading (for example, see here and here), the main purpose of which is to make certifying students easy. Our current grading system in mathematics is counterproductive to learning (students are inhibited from engaging … Continue reading
Posted in Education, Science research, Society
Tagged academic journal publishers, Blake Stacey, Boston Globe, Cathy O'Neil, Cosma Shalizi, Cosmic Variance, credit recovery, David Mermin, grades, John Baez, Michael Nielsen, Nassif Ghoussoub, New York Times, Notices of the AMS, Peter Krautzenberger, Peter Olver, Reed Elsevier, Sam Alexander, Scott Aaronson, Scott Morrison, Sean Carroll, Terence Tao, The Cost of Knowledge, Three Toed Sloth, Tim Gowers, What's wrong with this library?, Xamuel
7 Comments