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Home › 2018 › June

Month: June 2018

Are dandelions an invasive species?

By Jack Posted on June 30, 2018 Posted in botany, Uncategorized No Comments

Tutoring English, one is interested in definitions. The tutor examines the definition of invasive species in connection with the common dandelion. The common dandelion (Taraxacum officinale) is from Europe, rather than native to North America. Although it seems to be …

Are dandelions an invasive species? Read more »

What is default text (font) size on Chrome?

By Jack Posted on June 29, 2018 Posted in Chrome No Comments

Self-tutoring about the Chrome browser: the tutor measures its default font size in pixels. I opened the Chrome settings and found its font set to “medium”. I then made a quick page with two divs: one set at 20em, then …

What is default text (font) size on Chrome? Read more »

Homonyms: filter and philter

By Jack Posted on June 28, 2018 Posted in english No Comments

Tutoring English, homonyms are a favourite topic of mine. The tutor mentions the pair filter and philter. A filter is a porous barrier to separate solids from liquid; a philtre is a magic potion – often, specifically, a love potion. …

Homonyms: filter and philter Read more »

What does apposite mean?

By Jack Posted on June 27, 2018 Posted in english No Comments

Tutoring English, vocabulary is always interesting. The tutor mentions the word apposite. apposite adj: cleverly chosen for the situation. The meal of cold-cut sandwiches was apposite, given the hot weather. Source: Barber, Katherine et al. Oxford Canadian Dictionary of Current …

What does apposite mean? Read more »

Crunchy peanut butter vs smooth: which is more popular, and by how much?

By Jack Posted on June 26, 2018 Posted in lifestyle No Comments

Self-tutoring about peanut butter preference: the tutor inquires about the popularity of crunchy vs smooth. We eat a lot of peanut butter, but have gone years without buying crunchy. I’d say 95% of the peanut butter we’ve ever bought has …

Crunchy peanut butter vs smooth: which is more popular, and by how much? Read more »

How rare is a four-leaf clover?

By Jack Posted on June 25, 2018 Posted in Canadian geography No Comments

Self-tutoring about plant lore: the tutor researches four-leaf clovers. The rarity of the four-leaf clover is around 1:10000, research suggests. I’ve never found a four-leaf clover. However, one summer when I was a kid, one of my friends found one, …

How rare is a four-leaf clover? Read more »

Screen resolution, dp and ppi

By Jack Posted on June 24, 2018 Posted in mobile phones No Comments

Self-tutoring about technology: the tutor inquires about screen size, resolution, dp, and ppi. Apparently, dp is 160x(screen size in inches). Resolution means, as I understand, the logical, rather than physical, linear elements across the screen. The reason: ppi (pixels per …

Screen resolution, dp and ppi Read more »

What is clarified butter, and what is ghee?

By Jack Posted on June 23, 2018 Posted in cooking No Comments

Self-tutoring about cooking: the tutor arrives at the definitions of clarified butter and ghee. Clarified butter and ghee are not the same but can be explained as follows: Clarified butter is begun by heating butter at low heat so that …

What is clarified butter, and what is ghee? Read more »

Flash point vs fire point: what is the difference?

By Jack Posted on June 22, 2018 Posted in chemistry No Comments

Self-tutoring about safe temperature to heat cooking oil led the tutor to seek the difference between flash point and fire point. At the flash point, the vapor is ignitable but will only burn with a continuous source of ignition. At …

Flash point vs fire point: what is the difference? Read more »

How to keep eggshell out of your baked goods

By Jack Posted on June 21, 2018 Posted in baking No Comments

Self-tutoring about baking: the tutor shares a simple trick. When you bake something, you definitely don’t want eggshell in it. Of course, it usually wouldn’t happen. However, the odd time, an egg might crack irregularly, so that a piece of …

How to keep eggshell out of your baked goods Read more »

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