Tag Archives: physics

Artemis II, Around the Moon and Back: Wow

Written as Artemis II returned from the Moon: how I see going to the Moon and beyond, what is new in this mission, and what is not new. Continue reading →

Posted in Back to the Moon, Onward to Mars, Discursive Detours, Journal, Series | Tagged , , , | 3 Comments

Porphyrion: Black Hole Jets on a Cosmic Scale

We’ve known about “black hole jet systems” for some time, but never one as big as Porphyrion: a 23,000,000 light-year giant. I’ll be talking about that today, along with how astronomers have been studying it, a plausible explanation for its … Continue reading →

Posted in Discursive Detours, Journal, Science News | Tagged , , , , | 4 Comments

A Big Diamond, a Little History, and Some Geology

I take commercial puffery with a grain of salt, but that 2,492 carat diamond from the Karowe mine does seem “epic”. It’s also what I’ll be talking about this week: along with the Karowe mine, Botswana, what diamonds are and … Continue reading →

Posted in Diamonds and Gems, Discursive Detours, Science News, Series | Tagged , , , , , | 2 Comments

Squishy Stars, Science, and Sirach

A paper published this month doesn’t so much tell us what’s inside a neutron star, as show what’s not inside. Considering how little we know about these immensely-dense stellar objects, that’s a significant step toward understanding the things. I’ll take … Continue reading →

Posted in Discursive Detours, Science News | Tagged , , , , , | Leave a comment

Alcubierre Drive: a New, Subluminal, Physical Solution

It’s been 30 years since a Mexican theoretical physicist said that a warp drive was possible: hypothetically. And published math that backed up his claim. Last month, a team of scientists showed how we could build a warp drive: again, … Continue reading →

Posted in Journal, Science News | Tagged , , , , | Leave a comment