

First media review for Huge Numbers!
Emily Conover in Science News writes: "It’s a delightful survey of the field of googology, the study of large numbers.... It’s a joy to marvel at how boundaries have been broken time and again, thanks to the creative, intrepid explorers of the biggest numbers known."
https://www.sciencenews.org/article/huge-numbers-book-math-googology


The great James Gadson has died. RIP.

(April 3, 2026) He was part of so many hits that each of us has lived our musical lives through the drumbeats of James Gadson. Few drummers in modern music have shaped the sound of soul, funk, and R&B as profoundly over the past five decades. We learned today the sad news that Gadson has […]
This stunning figurine of a bear was carved from amber 10,000 to 8,000 years ago. Found on the west coast of Fanø, from a submerged settlement of the Mesolithic period.
Bears played an important role in the life of hunters, figurines such as this were worn as pendants.
On display at National Museum Copenhagen.
📷 me
In 3D Euclidean space, the surface equidistant from a point is a sphere, with constant curvature.
In (2+1)-dimensional Minkowski spacetime, the equidistant surface is a (1+1)-dimensional de Sitter spacetime, which also has constant curvature.
The image shows the spacelike (blue), timelike (black) and lightlike (white) geodesics through a point.