May 11, 2025
Dan Steinhart
After ~20 years of shrinkage, the Antarctic ice sheet expanded by 108 gigatons/year from 2021-2023.
May 4, 2025
Stephen McBride
Where you can stumble upon a rain god
Apr 30, 2025
Matt Ridley
The White House has changed a page on its website, replacing a mundane compendium of advice about Covid vaccines, treatment, and testing with a Hollywood-style poster of Donald Trump striding through the giant words “LAB LEAK”.
Apr 28, 2025
America outsourced manufacturing for a reason: it isn’t very profitable.
Apr 27, 2025
Stephen McBride with Dan Steinhart
America should embrace its superpower: innovation. Innovation brings abundance, where everyone wins.
Apr 24, 2025
I expect to see the existence of extraterrestrial life confirmed within the next few years.
Apr 20, 2025
More beneficial to humankind than AI
Apr 6, 2025
I'm writing you from a sun-bleached refinery town just outside Los Angeles.
Mar 28, 2025
The Rational Optimist Diary is moving…
Mar 20, 2025
After 50 years of stagnation, humanity is returning to the Moon…
Mar 13, 2025
This is the one job AI can’t replace…
Mar 9, 2025
Where will you go when supersonic travel shrinks the world?
Mar 2, 2025
“Everything that moves will be robotic”…
Feb 23, 2025
This is what Matt Ridley had to say about today’s breakthrough technologies…
Feb 14, 2025
The future is happening—fast.
Feb 9, 2025
This will be the first of many diaries where we explore how to use this incredible new technology.
Feb 2, 2025
What if, instead of watching helplessly as nature wreaks havoc, we could control it?
Jan 29, 2025
If I’m right, America’s next chapter will be its best. The next 50 years will look radically different than the last 50.
Jan 26, 2025
Here’s how Rational Optimists should prepare for the innovation avalanche…
Jan 19, 2025
From AI to rocket launches, we’re entering a new age of tech innovation…