Geography: land vs ocean
Self-tutoring about world geography: the tutor mentions a point perhaps interesting. All the land surface on Earth fits into the Pacific Ocean. Source: cia.gov
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Self-tutoring about world geography: the tutor mentions a point perhaps interesting. All the land surface on Earth fits into the Pacific Ocean. Source: cia.gov
Self-tutoring about functions, performances, and so on: the tutor reflects. Decades ago, I was at a Christmas pageant and happened, afterwards, to be in the lobby waiting for my others to meet me so we could go home. I ended …
Self-tutoring about life today: the tutor mentions the tendency towards apps. The other day I overheard two people talking about how to develop creative ideas. “I use an app,” one of them said. Old and naive, I was caught off …
Self-tutoring about geography: the tutor mentions a convention he discovered. Apparently, the Mediterranean is defined to be part of the Atlantic Ocean. Source: cs.mcgill.ca
Tutoring math, you see the golden ratio. The tutor mentions it. There are a few peculiarities that explain the golden ratio’s uniqueness. Let’s call it r. Then for a number x, x/r = x(r-1). r is irrational; an approximation is …
Self-tutoring about geography: the tutor wonders about a potential difference between Canada and the US. Pennies are getting hard to find in Canada. Yet, apparently, they are still used in the United States. Interesting, eh? Source: usmint.gov
Self-tutoring about gold mining: the tutor was surprised to learn the top three producing countries so far. The leading producers of gold have been China Australia South Africa Interesting, eh? Source: usgs.gov
Self-tutoring about psychology: the tutor mentions constructivism. Constructivism is a point of view from psychology that proposes that each person has their own reality, constructed in-house from their own experiences. When said person learns something new, it changes their reality. …
Self-tutoring about business definitions: the tutor entertains structured and unstructured problems. Structured problems are ones where you know what the solution will look like; if your situation doesn’t look like that, it needs to be solved. Structured problems are often …
Business, philosophy: structured vs unstructured problem Read more »
Self-tutoring about minerals and compounds: the tutor mentions talc. Talc’s formula is Mg3Si4O10(OH)2 and is mined as such. It is used in baby powder, cosmetics, and many other applications. It’s also the main ingredient of soapstone. Source: fda.gov soapstones.com