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Category Archives: Sci-Tech

TRI-GENERATION—A NEXT STEP IN ENERGY EFFICIENCY

THE UNIVERSITY OF California, Irvine is at the forefront of tri-generation, advanced technology that transforms human waste into hydrogen, electricity, and heat. In many ways, this is a 21st-century version … Continue reading

August 19, 2018 · Leave a comment

GEOMETRIES OTHER THAN EUCLID’S PART 2

YESTERDAY, WE left geometry in a quandary. Mathematicians were trying to accommodate Euclid’s Fifth Postulate, the one about parallel lines, into 19th-century goals of mathematical rigor. Could it follow from … Continue reading

August 16, 2018 · 1 Comment

GEOMETRIES OTHER THAN EUCLID’S PART 1

FOR TWO THOUSAND years, geometry codified by Euclid, a Greek mathematician who flourished c. 300 B.C., gave a model of reality for the likes of Johannes Kepler, Gottfried Wilhelm Leibnitz, … Continue reading

August 15, 2018 · 2 Comments

SCIENCE FOR DILETTANTES

DON’T BE put off by “dilettantes.” In most areas of modern science, many of us qualify as having what Merriam-Webster calls “a superficial interest in an art or branch of … Continue reading

August 13, 2018 · Leave a comment

EMI, BOTH ACCIDENTAL AND INTENTIONAL

ELECTROMAGNETIC INTERFERENCE (EMI) is as old as the earliest electrical devices. And as potentially dangerous as ever in today’s quest for autonomous vehicles. EMI may occur accidentally, an otherwise benign … Continue reading

August 10, 2018 · 3 Comments

AMMONIA FROM A REVERSE FUEL CELL

AMMONIA, NH3, is used primarily as fertilizer, at an annual expenditure of $60 billion worldwide. It’s estimated that at least half the nitrogen in the human body today is traceable … Continue reading

July 26, 2018 · 1 Comment

CELEBRATING SIR FRANCIS BEAUFORT

THIS SUMMER has had a lot of hot air, everywhere from Washington, D.C., to Helsinki, and back. This got me thinking of how we measure its forceful expenditures. Add to … Continue reading

July 22, 2018 · Leave a comment