Self-tutoring about geography: the tutor inquires why deserts exist mainly outside the tropics. The sun is most intense at the equator, so air rises most dramatically from the Earth’s surface along the equator. Rising air causes low pressure, which facilitates …
Geography: why is desert uncommon along the equator? Read more »
Self-tutoring about thermodynamics: the tutor imagines the temperature in space and why it’s meant to be so cold. The temperature in space, away from any heat-producing features, is meant to be around 2.7K. By comparison, 0°C is 273K. Temperature, as …
Self-tutoring about welding: the tutor mentions a fact check. I took a week of welding during a heavy-duty mechanics pre-app course, a lifetime ago. I learned a tremendous amount during that week of welding, as in pretty much every week …
Self-tutoring about Thanksgiving: the tutor reflects…. My earliest memories of Thanksgiving are from the Maritimes, in elementary school. My elementary teachers loved to decorate their rooms to point to a coming occasion: cardboard cutouts of turkeys, cornucopia, and pumpkins went …
Self-tutoring about mammals in Canada: the tutor mentions the striped skunk. The striped skunk lives in most of Canada, although not here on Vancouver Island. It can grow more than 2 feet long and reach over 7 pounds. Skunks eat …
Tutoring English, new words, especially short ones, are always interesting. The tutor mentions subsume. subsume: to include in a set of similar cases, perhaps for the purpose of classification or unification. Source: Gilmour, Lorna (editor). Collins Essential Canadian English Dictionary …
Self-tutoring about deserts: the tutor mentions Earth’s two largest ones. As I mention in my post from October 1, a desert is either 1) a place that releases more moisture than it receives, or 2) a place with less than …
Self-tutoring about computer science: the tutor mentions depth-first search (DFS). In yesterday’s post I mention breadth-first search. Now, to compare, I continue with depth-first. With depth-first search, if you have three rooms to search, you’ll search everywhere in the first …
Self-tutoring about computer science: the tutor mentions breadth-first search. Let’s imagine you want to search for a book in your three-room apartment. In a breadth-first search (BFS), you’d plan to peek in each room in case it’s lying out where …
Self-tutoring about music: the tutor reveals a favourite. Just because you hear a song in an elevator, does that make it elevator music? If so, a lot of great music – likely the best – is. Such an example is …