Chemistry: Lewis acid, Lewis base
Tutoring chemistry, Lewis acids and bases arise. The tutor mentions them. A Lewis acid is a species that has room, in its outer shell, for an extra pair of electrons. H+ is an example, but so is BH3. H+, having …
Tutoring chemistry, Lewis acids and bases arise. The tutor mentions them. A Lewis acid is a species that has room, in its outer shell, for an extra pair of electrons. H+ is an example, but so is BH3. H+, having …
Self-tutoring about people and events from the past: the tutor mentions the arcade game Pengo. Pengo came out in 1982, but I didn’t see it until 1985. Its protagonist is a red penguin in a maze, trying to thwart enemies. …
Self-tutoring about historical terms: the tutor mentions viceroy. viceroy: a local ruler acting on behalf of a central one and whose authority comes therefrom. One hears the term viceroy in the colonial context, where the ruler of the colony might …
Self-tutoring about glues: the tutor mentions Krazy and Super. I recall, as a kid, seeing ads for Krazy Glue. It was famous. I never saw ads for Super Glue, but began hearing about it a little after the Krazy Glue …
Consumer Education: Krazy Glue and Super Glue: are they the same? Read more »
Tutoring English, terms arise. The tutor mentions in media res. in media res: in the middle. A story that begins in media res starts in the middle, typically at a point of excitement. When you start watching a soap opera …
Tutoring English, vocabulary is always interesting. The tutor mentions withy. withy: a flexible twig or branch, perhaps useful for improvising crafts. Source: Mish, Frederick C. (editor). Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004. collinsdictionary.com google search: withy
Tutoring English, vocabulary is always interesting. The tutor mentions maladroit. maladroit(adj) : not skilled; lacking finesse. (Maladroit is opposite of adroit.) Source: Mish, Frederick C. Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004.
Self-tutoring about grocery shopping: the tutor shares some points. I live about 1km from a grocery store where I do about half my shopping. If I’m only going there, I always walk – it’s one way I keep the fat …
Tutoring English, vocabulary is always interesting. The tutor mentions anachronism. An anachronism is something (or someone) that’s in the wrong time period. If you have a movie set in 2004, but Jimmy Carter (in the movie) is President, that’s an …
Tutoring English, vocabulary is always interesting. The tutor mentions the word stevedore. stevedore: a person employed in moving cargo into or out from ships. Source: Mish, Frederick C. (editor). Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004.