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Author: Jack

Tires: recommended tread depth

By Jack Posted on March 31, 2020 Posted in autos

Self-tutoring about autos: the tutor mentions some ideas. I’m looking into changing the tires back to the summer ones; we don’t do mountain driving, and it seems the winter season is withdrawing here. Yet, a question came to me: can …

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Religion: does God know the future?

By Jack Posted on March 30, 2020 Posted in religion

Self-tutoring about religion: the tutor examines a notion. Often, talking about the future, you may hear someone say, “God knows.” Yet, does God know the future? In Genesis 3.9, God asks, “Where are you?” to Adam and Eve. When Adam …

Religion: does God know the future? Read more »

Business: what is a gilt?

By Jack Posted on March 29, 2020 Posted in business

Self-tutoring about investment instruments: the tutor finds a definition for gilt. A gilt is a type of UK government bond. dmo.gov.uk

Health: COVID-19 symptom(s) vs cold or flu

By Jack Posted on March 28, 2020 Posted in health

Self-tutoring about coronavirus: the tutor looks into specific symptoms. Since COVID-19 seems to have arrived during cold/flu season, an obvious question is, “If a person is sick, then do they have COVID-19 or just ‘the flu’ or a cold?” From …

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History: what is a telephone “party line?”

By Jack Posted on March 27, 2020 Posted in history

Self-tutoring about lifestyle history: the tutor mentions the idea of a party line. I was at an apartment in the late ’80s where the resident said she had a “party line.” I didn’t know what she meant, but didn’t ask. …

History: what is a telephone “party line?” Read more »

English: recalcitrant

By Jack Posted on March 26, 2020 Posted in vocabulary

Self-tutoring about vocabulary: the tutor mentions recalcitrant. recalcitrant (adj): defiant of authority or duty. Hilariously, as a kid, I was called recalcitrant by someone who truly was. Perhaps it “takes one to know one:)” I hear recalcitrant rarely nowadays. Source: …

English: recalcitrant Read more »

Biology: extinct, extirpated, and extant

By Jack Posted on March 24, 2020 Posted in biology

Self-tutoring about biological terms: the tutor mentions definitions of three related ones. extinct: no longer existing anywhere. extirpated: no longer existing in a place it used to. However, it still does exist elsewhere. extant: existing. The trees and birds you …

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Behaviour: cats and cars

By Jack Posted on March 23, 2020 Posted in behaviour

Self-tutoring about animal behaviour: the tutor makes an observation connected with a long-ago memory. Many years ago I overheard someone discussing various animals’ behaviour as they would cross the highway. “Cats, if they see a car coming, always turn around …

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Lifestyle during the ***demic: the tutor comments

By Jack Posted on March 22, 2020 Posted in lifestyle

Self-tutoring with a snapshot of life right now: the tutor relates. I went grocery shopping a while back. You can read my post about it here. Around noon today, I returned to the grocery store. Only able-bodied people were about. …

Lifestyle during the ***demic: the tutor comments Read more »

Computer science: significance of multiple cores

By Jack Posted on March 21, 2020 Posted in computer science

Self-tutoring about computer design: the tutor comments on what “multiple cores” means. As I understand, the benefit of a multi-core processor is that each core can work its own job simultaneously with the others. However many cores there are, that’s …

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