nPostednon July 3, 2013
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nTodaynis supposed to be a day to build our self-esteem. A day to look innthe mirror and—whether we are young and old, male or female, sicknor healthy—assure ourselves, “You look fabulous!”
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nSo,ngo do that, and then come back!
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nI’dnrather actually compliment our mirrors, rather than ourselves! Ournmirrors do a great job of reflecting things for our benefit—andnthere are a lot of different sorts of mirrors used for all sorts ofndifferent tasks, too!
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nTherenare tiny mirrors used by dentists and dental hygienists to see thenback sides of our teeth.
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Mirrorsnare used inside telescopes and lasers to collect and magnify light. n
Mirrorsnare used inside telescopes and lasers to collect and magnify light. nn
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nWenhave slightly curved mirrors used on our cars to provide a largernview with a small mirror. (That’s why some side-view mirrors say,n“Objects in mirror are closer than they appear.”)
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Wenhave fun-house mirrors that make us look all wiggly, and kaleidoscopenmirrors that give us beautiful patterns.
Wenhave fun-house mirrors that make us look all wiggly, and kaleidoscopenmirrors that give us beautiful patterns.n
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nWenhave one-way mirrors that enable, for example, police to watchnsuspects in an interrogation room while the suspects cannot see them.
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We have beautifully mirrored buildings and memorials.
We have beautifully mirrored buildings and memorials.n
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nTherenare lots of other uses for mirrors, as well—everything fromnmilitary uses to emergency signaling uses, uses in everything fromnseasonal lighting and “green” skylights to TVs and cameras. n
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nWhatndid people use as mirrors way-back-when?
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nGlassnmirrors with metal backing date back to the first century C.E. ornearlier. However, for a good long while only rich people were able to afford goodnmetal-backed glass mirrors. (The silvered-glass mirrors we use todaynwas invented by Justus von Liebig in 1835.)
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nPeoplenalso sought their reflections in highly polished metal or obsidiannmirrors—and, of course, in very still water.
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nCelebrate mirrors!
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- Try to print your name so that it looks right in a mirror. Even harder–try to write your name in cursive so that it looks right in a mirror!
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- Herenis a science “game” that can help you learn about angles ofnreflection.
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- Trynthis mirror drawing challenge.
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- Herenare three simple mirror experiments. Oh, and one more.
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- This PDF offers a lot of mirror activities!
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- Lastnbut certainly not least, create your own kaleidoscope!
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nAlsonon this date:
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nAnniversary of the first modern strawberries
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“DognDays” begin
“DognDays” beginn
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Independence Day in Belarus
Independence Day in Belarusn
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nPlannahead:
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nChecknout my Pinterest pages on Julynholidays, historicalnanniversaries in July,nand Julynbirthdays.
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nAndnhere are my Pinterest pages on Augustnholidays, historicalnanniversaries in August,nand Augustnbirthdays.
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