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BrainEmail Trivia
Friday November 11, 2005
Also . . . What did people use for plastic before plastics were around?
Celluloid (1871) is recognized as the first modern plastic. It was invented to replace ivory on piano keys and in billiard balls. Celluloid is composed of cellulose nitrate and camphor. This flexible plastic is what made the invention of motion pictures possible.
Bakelite (1909)[TM} was the first plastic to stay rigid when reheated. The inventor was Leo Baekeland from Belgium. When you dropped an old radio or appliance made of this stuff on the floor, it would shatter.
Cellophane (1912) was invented as a clear sheet wrapper for food.
Phenolic (1924) was a thermosetting resin. When an old radio or appliance burned out, this is what usually caused that pungent odor. (Young people raised on solid state equipment are not aware that old tube electronics with high voltage power frequently burned out!)
My first introduction to modern injection molded plastic was in American Flyer trains. Plastic of the late 40s was not robust and could sag when it got too warm. If you used too strong a cleaning solution it would melt! Some of the trains actually had a sag in the top coming out of the mold.
During WWII, all my toys were made out of wood. The few plastics around were not popular and metal was scarce because of scrap metal drives for the war effort. (My mother had to wash out cans and crush them flat for the war effort recycling.)
What about before plastics?
People used horns, bone, sea shells, mica, tusks, horses hooves, plaster, wood, leather and tortoise shell for such items as combs, buttons, and implement handles, etc.
Hooves could be sliced off in sheets and then die punched out for items like buttons.
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Sunday October 30, 2005
It is the shortened form of “All Hallow Even” or All Saints’ Eve.
It can also be spelled Hallowe’en.
Hallowmas is literally All Saints Mass – it stands for All Saints Day on November 1st.
Hallow comes from the AS: halgian, from halig or holy.
The AS: halga, or saint, survives in Hallowmas, Hallowe’en and All Hallows.
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Wednesday October 19, 2005
What are the origins of . . . . ?
Music Symphony Orchestra Opera Aria Canon Piano
See the bonus - a cappella!
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Music – from the Greek: mousike, any art of the Muses, especially music.
Symphony – Greek: symphonia from syn+phone voice, sound.
Orchestra - Greek: orchestra – a place for a chorus to dance, from orcheisthai to dance.
Opera – the plural of the Latin word Opus, work.
Aria – Literally, it means (atmospheric) air in Italian
Canon – From the Greek kanon (5th meaning), a musical piece of two or more voices that repeats the same melody, not necesssarily in the same pitch. (kanon originally meant rule, standard, model, or ruler)
Piano is short for pianoforte and it means soft – loud. (Italian)
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Bonus – What does a cappella really mean? Where did it come from?
Today it means singing without instrument accompaniment.
But, it really means …… "In the chapel style"
The word chapel (French: Chapelle) comes from the word cloak, which was cappella. The sacred cloak (cappella) of St. Martin of Tours was kept in a recess in the main church, which became known as the chapel (side note: chaplain actually means "guardian of the cloak"). Thus, the cloak gave rise to the word for this anteroom in a church or "the chapel". When people sang services in the small chapel it was unlikely they would bring any instruments into the small room [let alone an organ]! Thus singing "in the chapel style" was called a cappella. (another side note: our word for cape and cap comes from the root word.)
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Monday October 17, 2005
The Easter parade is associated with people walking on the main avenue of town, showing off their new clothes. This modern tradition has faded in recent years, but was at a peak back in the 1890s.
There are many theories on the origin of this tradition. None can be proven with certainty. Here are some of the more popular explanations . .
In Medieval times there was a ball game connected with a dance in which even bishops and abbots took part. The dance was performed in the churches to the strains of the "Victimae paschali". This game of ball was also a favorite Easter sport in England in which the municipal corporation took part in a parade.
Another theory is that the Easter Parade started out as plays which were performed with silent scenes, with actors posing on a wagon – similar to our modern parade floats.
A more likely explanation relates to the fact that newly converted Christians were baptized on Easter. After the church ceremony they would march around the village plaza in their new white clothes, which were symbols of their baptism. Here the converts would greet the citizens of the town on Easter morning.
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Sunday October 16, 2005
The story goes something like this . . .
Douglas Engelbart and some of his associates at the Stamford Research Institute invented the mouse in the 1960s. It was large and crude and was made out of wood . . . but it was a mouse, and it got its name about that time. The device was demoed at the 1968 Fall Joint Computer Conference in Menlo Park and San Francisco. This unit was complicated to use. Douglas Engelbart’s device used two wheels to move a potentiometer.
Researchers at the Xerox Palo Alto Research Center [Xerox PARC] refined the mouse in the 1970s. Their version cost $400 and a required interface device cost $300. However, this device was much easier to use. The Xerox unit used a ball bearing, two rollers and some electrical brushes. [BTW Xerox people also had worked on an optical mouse at that time, which only now has hit the mass market.]
Steve Jobs saw the mouse at Xerox PARC in 1979, during the demonstration of various computer technologies. He gave the job of developing the Apple mouse to an independent design house started by two graduate students from Stanford University. Their company was called Hovey-Kelley Design of Palo Alto. All they had to do was make it more than 10 times cheaper that the Xerox unit! No small task. Their first feasibility demonstration unit used a Ban Roll-on ball and a butter dish! The rest is history . . .
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