Bill Petro: writer and technologist.
Writes about History, Popular Culture, Tech Trends, and Travel.
Contributing writer to the books Product Management to Product Leadership: The Advanced Use Cases
and Invitation to Church History, Vol 1 & 2

History of The Spring: What is the Vernal Equinox?

March 20, 2023

HISTORY OF THE SPRING In Colorado, we have a saying; we begin the first day of Spring like we began the Fall: with snow. This symmetry is relevant as the beginning of Spring and Fall coincide with the Equinox. This word is comprised of two Latin root words, aequus and nox, meaning “equal night,” referring…

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History of St Joseph’s Day: Why not more popular?

March 19, 2023

HISTORY OF ST JOSEPH Today, March 19, is Saint Joseph’s Day, or the Feast of St Joseph. It is celebrated by the Roman Catholic, Anglican, and Lutheran Churches worldwide. The terms feast and festival are often used interchangeably and often refer to a religious holiday. What is the history of the holiday and Joseph himself?…

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History of St. Patrick: Was he British?

March 16, 2023

HISTORY OF ST PATRICK’S DAY Although much of the life of the patron saint and Apostle of Ireland is shrouded in legend, St. Patrick was probably born around the year AD 389. Stories are told of the many contests Patrick had with Druids, pagans, and polytheists, as well as the well-known but unlikely story of…

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History of the Ides of March: Who should Beware?

March 15, 2023

HISTORY OF THE IDES OF MARCH According to the ancient Roman calendar, the ides fell on the 13th of the month except for March, May, July, and October, when it fell on the 15th of the month. Something epochal occurred in 44 B.C.   Et tu, Brute? On March 15, 44 B.C., the Roman dictator…

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History of Pi Day: 3.14

March 14, 2023

HISTORY OF PI DAY This holiday is often overlooked by those who do not speak Greek or those who do not speak Geek… but for the science major, this is a special celebration. Though it is an irregular constant number, regularly and annually on March 14, or 3/14, or 3.14 — we have the first…

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History of the Holidays

What is the history behind the holidays we celebrate, both sacred and secular? Many of the sacred holidays in our American “Judeo-Christian” heritage have secular associations, while many of the seemingly secular holidays actually have religious roots. This is the back story behind our popular holidays.

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Popular Culture

Featuring reviews of movies, concerts, and theatre. I write movie reviews as soon as I see them, which is usually the day they come out (or before). Reviews of Star Wars and Star Trek movies, Lord of the Rings, James Bond, and Harry Potter films, rock and jazz concerts, and theatre reviews.

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Tech Trends

Articles about current and future technologies and their possible implications. Discussions about Apple iPhone and Apple Watch and innovative technologies from other companies: social media, payment systems, personal data backup, etc.

 

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