A Stephen Hawking (and then some) for our time
Picked these up at Barnes and Noble today I discovered Carlo Rovelli through "Helgoland" and "Reality is not what it seems", but he really has an amazing ability to write about ot…
science
7 posts
Dark Stars (!)
From this paper The first phase of stellar evolution in the history of the universe may be Dark Stars (DS), powered by dark matter (DM) heating rather than by nuclear fusion. Although made almost en…
Of moons and planets
Something fascinating from an “amateur analysis” of the moon’s orbit — the sort of thing I’m sure a lot of people wish they did but never do. In other words, the Sun exerts more than twice as much gr…
Space, science, progress, hope
We were eating in a cafe that had a 50s-60s theme and had this front page of the LA Times from 1961 on the day Alan Shepard became the first American in space. I didn't do a good job of taking th…
System of the Sun
This is not running a very localized observation (I've noticed this both where I stay in the south bay area, and also during our recent short trip to Hawaii), but still: among the bright objects s…
Aerobie
Stumbled across one of these in a small gift shop and picked it up. I have to admit my ignorance at not coming across this before, but it flies amazingly smooth. I mean frisbees fly too, but you have…
Feynman FTW
After a few minutes, Feynman had worked out the process of spontaneous emission, which is what Stephen Hawking became famous for a year later. Feynman had it all on my blackboard. He wasn’t interested…