DYNAMICAL SYSTEMS THEORY, ANOSOV FLOWS, AND ARNOLD’S CAT PART 2
A FINE ARTICLE IN QUANTA MAGAZINE, Jordana Cepelewicz’s “Flow Proof Helps Mathematicians Find Stability in Chaos,” introduces the concept of Anasov flows in dynamical systems. And, following up with some … Continue reading
DYNAMICAL SYSTEMS, ANOSOV FLOWS AND ARNOLD’S CAT PART 1
READERS OF THIS WEBSITE have been exposed occasionally to the mathematical concept of dynamical systems theory, what I have called “differential equations, sorta, without the dirty bits.” My own 15 … Continue reading
AIRMAIL TIDBITS PART 2
YESTERDAY WE CELEBRATED the first U.S. airmail. Today in Part 2, a pilot named Lindbergh (yes, that Lindbergh) practices his expertise prior to a considerably longer flight. And others of … Continue reading
U.S. AIRMAIL TIDBITS PART 1
THOSE OF A CERTAIN AGE will recall writing “AIR MAIL” on envelopes (and adding extra postage) for this special service. Imagine that; how quaint. Posting “letters” to be delivered by … Continue reading
MICKEY D’S COKE
DOES A COKE FROM MCDONALD’S taste better than others? It should. And the allrecipes website tells why. Ray Kroc and Coke. Coca-Cola and the founder of McDonald’s go ’way back: … Continue reading
NOËL COWARD—A NUANCED VIEW
I’VE ALWAYS ENJOYED the wit, whimsy, and artistry of Noël Coward. Indeed, his appearances here at SimanaitisSays include “Noël Coward Says”, “Noël Coward’s Jamaica, and a brief cameo of acting … Continue reading
COOK’S TRAVELLER’S HANDBOOK HEALTH RESORTS PART 2
YESTERDAY WE PREPARED FOR (ARMCHAIR) TRAVEL to the South of France as described in Cook’s Handbook to the Health Resorts of the South of France, Riviera, and Pyrenees. Today in … Continue reading
COOK’S TRAVELLER’S HANDBOOK HEALTH RESORTS PART 1
MY 1905 COOK’S HEALTH RESORTS is in the worst condition of any of my traveler’s handbook collection. What can we learn from this? The red cover of my example shows … Continue reading
JUST PHILOSOPHIZING
THOUGH PH.D. TRANSLATES INTO Doctorate in Philosophy, I confess my own degree never represented much knowledge of philosophy per se. Somehow the subject was too dense, too filled with arcane … Continue reading
RAPPIN’ A.I.
WHO OWNS THE SOUND of a voice? Or a theme of music? The concept of copyright is to define “a type of intellectual property that protects original works of authorship as soon … Continue reading
