The Christmas Tree Cluster

This beautiful image shows the so-called Christmas Tree Cluster. The blue and white lights are produced by young stars emitting X-rays, detected by NASA’s Chandra satellite. Optical data from the National Science Foundation’s 0.9-meter WIYN telescope at Kitt Peak shows the gas in the […]


I notice it, I notice it immediately. Something about the quality of the air, you might say. I’m not sure what, but something. Something in the vibration of things, in the specific way of vibration of things. In the different way of their rest, […]

The music of the cosmos

Can the lyrics of a song be literature? When I was in middle school (last century), the words of La Guerra di Piero by the Italian songwriter Fabrizio De André (Stefano Sandrelli recently spoke about him with ChatGPT) with amazement I saw them appear in my subsidiary, side by side […]

Why use Vivaldi?

We were in front of the screen, in my office. Just trying to fix something; I can’t remember exactly. Internet site stuff, anyway. At one point the colleague tells me something like open Chrome, let’s see… and I say no, I don’t have Chrome, I use Vivaldi instead to which […]