An article published today, August 31, in The Guardian, written by Tim Dowling, titled, "Forbidden Planet: Was Pluto's 2006 Demotion A Big Mistake?" quotes planetary scientists Phil Metzger and Paul Byrne, as well as me, regarding efforts to reinstate Planet Pluto. Given the usual media bias toward the IAU position, this article is a welcome contribution to the discussion and well worth a read.

From ChatGPT. I checked it and it looks right to me. The Luther–Ives criterion states: A three-channel camera is exactly colorimetric if and only if its spectral sensitivity functions span the same three-dimensional function space as the human color-matching functions. 1. Spectral responses Let \(s(\lambda)\) be the spectral power distribution reaching the camera. For the CIE standard observer, define \[ \mathbf{x}(\lambda)= \begin{bmatrix} \bar x(\lambda)\\ \bar y(\lambda)\\ \bar z(\lambda)…

An interesting project to visualize historical figures place in history.

In this week’s issue of The Savvy Diabetic: FDA OKs Abbott’s Libre Duo 10 Day dual glucose-ketone monitor FDA Cleared First Dual Glucose + Ketone Sensor, with Dr. David Ahn NIH Research Project Grant Support Heard From You Re Proposed Cap How T1D Exchange is Transforming Type 1 Diabetes Care and Research What is the acceptable failure rate for a Dexcom G7 medical device?

Something different today. Selected for his great entertainment value.Kenneth Copeland Executes Judgment on COVID-19I wouldn't want Kenneth Copeland as a neighbor. I know—you might say that’s unlikely to happen; one need only compare our respective bank accounts. Hallelujah !

Not a good point in the sky for observation from home, and not a good time to go elsewhere, but…

Welcome to my 202nd gems post. This is where I share some of the latest news, ideas and resources for maths teachers.1. Visual Maths Builder@mrallanmaths shared his new website visualmathsbuilder.com which helps teachers create clear, classroom-ready representations. It's free and no login is required - use it to create animated visual models that show how and why methods work.2.&

Reflections on how AI is changing data science workflows