QED Insight (Santo D’Agostino)

Recent Posts
 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: January 2011
Words, Episode 4: Niagara Flare
I haven’t been to this St. Catharines restaurant (which shall remain nameless) out of fear. I hear they have good fare, but it’s the thought of incendiary devices going off during a meal that puts me off. The sign has … Continue reading
Words, Episode 3: Linear
One of the obstacles to learning in mathematics and physics is the fact that there are many closely related concepts, although logically distinct. Additionally, the same structures (logical or mathematical) occur over and over again in our mathematical models of … Continue reading
Posted in Mathematics, Physics, Words
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Black Earth Into Yellow Crocus
Perhaps my favourite joke of all time is actually an anecdote that I read in the wonderful book Thirty Years that Shook Physics, by George Gamow. The book is available in an inexpensive Dover edition, and would make a fine … Continue reading
Posted in Books, Humour, People, Physics, Poetry
Tagged George Gamow, grook, gruk, humour, Niels Bohr, Piet Hein, poetry, quantum mechanics, quantum theory, Tisvilde
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The Power of Abstraction
One of the reasons mathematics is powerful and useful is that it is abstract. A collection of abstract symbols may seem sterile, but the power is in the hands of the practitioner, for you can give the symbols whatever meanings … Continue reading
Posted in Mathematics
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Unsuccessful Treatment of Writer’s Block
The unsuccessful selftreatment of a case of “writer’s block,” by Dennis Upper, Journal of Applied Behavioral Analysis, 1974 Fall; 7(3): 497. (Hattip to the good people at Backreaction.)
Helping People Get Things Done
Seth Godin has a fantastic blog, and today’s post makes pointed comments about education, although it is more generally intended to discuss how to help people get things done. Check it out here.
The Field Concept in Physics
Let’s continue the story in the previous post about Newtonian mechanics. In Newton’s theory of gravity, two objects that have mass attract each other with a gravitational force simply by virtue of their mass. The strength of the force is … Continue reading