David CollinsSay Passive House without Saying Passive HouseMathematical models of the physics of heat transfer have been applied to building science for over 25 years. These models have been used to…Aug 28Aug 28
David CollinsDoes Capitalism Perpetuate PovertyLet’s define the terms and then examine the phrase. What I’m doing is examining the question, rather than try to answer it in this short…Aug 14Aug 14
David CollinsEV Charger Lvl 2 PerformanceI bought my 2015 LEAF in January 2022, twenty-one months ago. I bought a LEAF because there’s a third party app, LEAF Spy, to get battery…Oct 23, 20231Oct 23, 20231
David CollinsPrelude to a First DateWe matched Saturday morning, but the conversation didn’t get going until Sunday. And boy did it get going.Oct 1, 2022Oct 1, 2022
David CollinsFrom Citizen to Consumer: a Personal ObservationI was nine years old when the change from citizen to consumer hit me. It was a change that happened 47 years earlier: 35 years before I was…May 24, 2021May 24, 2021
David CollinsStop Teaching Math Before High SchoolIs the current educational paradigm, which began as the Industrial Revolution gained dominance, optimal as our society morphs from an…May 17, 2021May 17, 2021
David CollinsWe weren’t sent here for the HoneyThe second 2200km road trip to Florida was the first one with a purpose. We traded driving to get there in one day, but we had the van if…May 10, 2021May 10, 2021
David CollinsRose Blossom Honey in the Shenandoah Valley, USAThis corner market was as good as any place to look for some local honey. We had driven southwest from Washington DC on a whim that we’d…May 3, 2021May 3, 2021
David CollinsSystematic Bias in MathematicsAn essay, There is No Such Thing as ‘White Math,’ by a Princeton professor of mathematics, Sergiu Klainerman, claims that the objectivity…Apr 12, 2021Apr 12, 2021
David CollinsThe Fallacy of “What you Eat” vs. “Eat Local”A growing trend in the popular culture is to claim “What you eat” is more important than “Eating Local.” This claim fails in two…Apr 6, 2021Apr 6, 2021