From the category archives:

Science

Science of the Summer Solstice

by Bill Petro on June 21, 2010 · 0 comments

in History, Holidays, Science

SCIENCE OF THE SUMMER SOLSTICE
The word Solstice comes from the Latin solstitium meaning “Sun, standing-still.” This year the Summer Solstice occurs on June 21 at 11:28 UTC, or Coordinated Universal Time, or Zulu Time, or roughly Greenwich Mean Time.
This is also known as the Northern Solstice as the Sun is positioned directly above [...]

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History of Earth Day

by Bill Petro on April 22, 2010 · 0 comments

in History, Humor, Science

EARTH DAY
April 22 is called Earth Day because it both commemorates and celebrates the observance of the anniversary of our discovery of planet Earth. At this time by all accounts, there is general agreement that Earth is far superior to the place from which we came, as we shall recount below.
Recently, however, there [...]

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IPAD, 5TH GENERATION USER INTERFACE
“In our lifetimes, we have seen at least five generations of user interfaces.”
So started a recent conversation, on the advent of the recent iPad launch.
How is the iPad the 5th Generation of user interfaces for computers?
Before I begin, let me explain that a “user interface” is the way a human interacts [...]

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HISTORY OF THE SPRING
In Colorado, we begin the first day of Spring in the same way we began the Fall: with snow. This symmetry is relevant as both the beginning of Spring and Fall coincide with the Equinox. This word is made up of two Latin root words aequus and nox meaning “equal night” referring [...]

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HISTORY OF DAYLIGHT SAVING TIME
It seems like only yesterday that we discussed the end of Daylight Saving Time, or DST, a brilliant campaign to convince people that we’re getting more daylight each day, when in reality we’ve simply changed our clocks and then forgotten about it within two weeks. Actually, it was [...]

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History of New Year’s Day: Why on January 1?

by Bill Petro on December 29, 2009 · 6 comments

in Science

HISTORY OF NEW YEAR’S DAY
We have the Romans to thank for celebrating New Year’s Day on January 1. It wasn’t always that way. Indeed, previous civilizations celebrated it in March, to observe the “new year” of growth and fertility. Before calendars existed the time between seed sowing and harvesting was considered a cycle or a [...]

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History of 2010: Start of a New Decade?

by Bill Petro on December 28, 2009 · 18 comments

in Science

HISTORY OF 2010: A NEW DECADE?
As the chronometer clicks over from 2009 to 2010, many are heralding the end of one decade and the beginning of another, regaling the best and worst at the end of the first decade of the 21st century.
Except that it isn’t.
Clicking over to 2010 does mark the end of a [...]

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