Simanaitis Says

On cars, old, new and future; science & technology; vintage airplanes, computer flight simulation of them; Sherlockiana; our English language; travel; and other stuff

Category Archives: Sci-Tech

TIMEKEEPING—OBJECTIVE, GEOMETRIC, NUMERICAL, FRACTIONAL, DIGITAL

THE SANDS OF TIME ARE ONLY ONE way we describe its passage. The positions of stars and angled points of a sundial are geometric. We have numerals: “three fifty-two.”  Also, … Continue reading

April 23, 2024 · 5 Comments

RPI BEATS WPI—QUANTUM-WISE!

BACK IN MY DAY, WORCESTER POLY always scheduled its homecoming weekend for when it played Rensselaer Polytechnic Institute—because a victory was all but assured. However, I must report that RPI … Continue reading

April 14, 2024 · 1 Comment

HOLMES AND A.I. PART 2

YESTERDAY IN PART 1, WE BEGAN EXPLORING how attuned the world’s greatest consultive detective would have been with Artificial Intelligence. We continue here in Part 2 with more analyses. There’s … Continue reading

April 10, 2024 · Leave a comment

A.I. DOOMERISM? PART 2

YESTERDAY, we learned about aspects of Artificial Intelligence, both good and bad, described in Paul Taylor’s LRB review of two books on the subject.  The Coming Wave: Technology, Power, and … Continue reading

April 8, 2024 · 3 Comments

A.I. DOOMERISM?    PART 1    

BACK IN 2020 PAUL TAYLOR taught me what little I know about “SIR modeling,” “Susceptible, Infectious, Recovered” as they relate to epidemics such as Covid.  This time around, Taylor writes … Continue reading

April 7, 2024 · 1 Comment

MATHS VERSUS MATH

THE ENGLISH CALL IT “MATHS,” WHEREAS we ’Mericans call it “math.” And in a sense, this monolithic view of math’s many elements is reflected in math instruction in the U.S. … Continue reading

April 4, 2024 · 5 Comments

A WELL-EMPLOYED (AND WELL-TRAVELED) DEVICE

WHAT A THOUGHT-PROVOKING HEADLINE: “This 1,000-Year-Old Smartphone Just Dialed In,” by Franz Lidz and Clara Vannucci, The New York Times, March 12, 2024. This and following images by Clara Vannucci … Continue reading

March 15, 2024 · Leave a comment

DOES CAROLINE SEE THE SAME COLORS I SEE?

I CONFESS I’M A BETTER READER than podcast listener, but those I listen to invariably come from the BBC. On March 11, 2024, I got attracted to one following my … Continue reading

March 14, 2024 · 1 Comment

DECIMAL SEPARATOR TIDBITS

“THE DECIMAL POINT,” REPORTS SMITHSONIAN MAGAZINE, February 29, 2024, “is 150 Years Older Than Previously Thought, Medieval Manuscript Reveals.” Sarah Kuta writes, “A Venetian merchant used the mathematical symbol while … Continue reading

March 4, 2024 · 3 Comments

NON-ABELIAN OPERATIONS

AN OPERATION IS COMMUTATIVE (OR ABELIAN) if the order of its application is irrelevant to the result: A • B = B • A. It is non-commutative (or non-abelian) if … Continue reading

March 2, 2024 · 2 Comments