Roger ArnoldFor transportation, direct electrification is certainly more efficient than hydrogen.Hydrogen is being overly hyped, but there are legitimate uses for it beyond its commodity uses for making such things as ammonia and…May 21, 20211May 21, 20211
Roger ArnoldHomage to a BloggerI wrote the following about three years ago. The John that it addresses is John Webber, a retired psychologist and blogger who sadly…May 15, 2020May 15, 2020
Roger ArnoldHanlon’s razor and U.S. foreign policy: which way does it cut?There are various formulations of the aphorism known as “Hanlon’s razor”. On Wikipedia, it’s “Never attribute to malice that which is…May 11, 2019May 11, 2019
Roger ArnoldMars AscendantLooking back is sometimes useful. It may help us to see more clearly the arc of of history we’ve been following, and if nothing else, to…Oct 17, 2018Oct 17, 2018