General · Media

Senior health in space – longevity in freefall

The romance of living in space and space travel skyrocketed as I was growing up. Post WWII. Sputnik, Disney’s Man in Space, NASA’s man on the moon, Star Trek, … classic sci-fi books … Maybe back then millionaires dreamed of retiring in space (as a refuge from the Cold War). Now maybe some billionaires dream… Continue reading Senior health in space – longevity in freefall

Book · Film · Media · TV

The romance of FTL, a stark reality

[Draft] The beckoning frontier … the adventure … “not in my lifetime, you say … or for generations” … and live like what? … well, maybe I’ll pass on that Golden Ticket … Faster-than-light travel (FTL) is a common plot device in science fiction, with a long history in books, short stories, drama series, and… Continue reading The romance of FTL, a stark reality

General · Language · Media · Site

Biggest ideas in the universe – Sean Carroll chats concepts

[Communicating science series] While we’re all doing stay-at-home, theoretical physicist Sean Carroll created a chat-from-home series on his YouTube channel. Usually each informal talk (so not lecture-like organization) has a followup Q&A video. The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that… Continue reading Biggest ideas in the universe – Sean Carroll chats concepts

Diagram · General · Language

Our friend the atom, mostly empty space?

[Communicating science series] This is a concept often espoused by science popularizers over the decades. Even the background for plot vouchers in some sci-fi adventures. An amazing fact: We and everyday objects around us are mostly empty space! So, miniaturize matter. Fantastic Voyage! Honey, I Shrunk the Kids. Downsizing. That’s why superman could walk through… Continue reading Our friend the atom, mostly empty space?

General · Media · Site

Humans fit for space? — NASA’s Twins Study

[See comments for updates.] Today Wired.com (among others) published an article “Are Humans Fit for Space? A ‘Herculean’ Study Says Maybe Not” which summarizes NASA’s Twins Study which was published in Science (The NASA Twins Study: A multidimensional analysis of a year-long human spaceflight). Wired: In space, fluids won’t drain, and astronauts develop red, puffy… Continue reading Humans fit for space? — NASA’s Twins Study