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Category Archives: Sci-Tech

HOW TO BECOME EXTINCT

THE FASCINATING BOOK EXTINCT, recently reviewed here at SimanaitisSays, describes six different categories of extinction: Failed, Superseded, Enforced, Defunct, Aestivated, and Visionary. Here are tidbits about these criteria and examples … Continue reading

May 9, 2022 · 9 Comments

GONE, BUT NOT FORGOTTEN PART 2

YESTERDAY IN PART 1, we discussed the obsolescence of arsenic wallpaper and the Chaparral 2J Sucker Car, both appearing in the book Extinct: A Compendium of Obsolete Objects. Today in … Continue reading

May 4, 2022 · 4 Comments

GONE, BUT NOT FORGOTTEN PART 1

DOES YOUR HOUSE EXHIBIT obsolescence? Mine does, sorta, as described in a book I just bought. Penner is a professor of architectural humanities at the Bartlett School of Architecture, University … Continue reading

May 3, 2022 · 5 Comments

eVTOL UPDATE PART 2

YESTERDAY IN PART 1, we looked at “The Battery That Flies,” Ben Ryder Howe’s article in The New York Times, April 16, 2022. Today in Part 2, we do a … Continue reading

April 21, 2022 · 1 Comment

eVTOL UPDATE PART 1

“VTOL” MEANS “VERTICAL take-off and landing” aircraft. Drones are VTOL; so are helicopters; and so are aircraft like the Bell Boeing V-22 Osprey, Hawker Siddeley Harrier Jump Jet, and Dornier … Continue reading

April 20, 2022 · 1 Comment

BIOFUELS—ASSESSED HOLISTICALLY 

BLENDING CORN-BASED ETHANOL into gasoline has been seen as a means of reducing anthropomorphic carbon dioxide emissions. However, “Environmental Outcomes of the U.S. Renewable Fuel Standard,” Proc. Natl. Acad. Sci., … Continue reading

March 24, 2022 · 3 Comments

EXTRACTING RARE EARTHS FROM WASTE

RARE EARTH ELEMENTS present an environmental paradox: REEs are key to green technologies such as solar panels, wind turbines, and electric vehicles. Yet their rarity involves mining that causes significant … Continue reading

March 4, 2022 · Leave a comment

DEISM—THROUGH A COMPUTER HARD DRIVE?

I LEARNED YEARS ago that our Founding Fathers were Deists. And I knew from Roman Catholic Latin/English missals that “Deus” meant “God.” Thus, I figured, Washington, Jefferson, Franklin, and those … Continue reading

February 17, 2022 · 1 Comment

MY NEW EYES

I’VE HAD MY new eyes for about a month now and I want to celebrate the talented people who made this possible. Here are tidbits on my experience with cataract … Continue reading

January 18, 2022 · 3 Comments

TWO EINSTEIN ANECDOTES

I WAS SORTING THROUGH colloquium presentations of mine from the mid-1970s—Geez, was I ever scholarly back then—and I came upon these two Einstein anecdotes. Their source was Ira M. Freeman, … Continue reading

January 12, 2022 · 1 Comment