He’s an Ex-Anduril Green Beret, and his new company's robotic gun can take down hostile drones with just two shots.

Baby KJ lacked a working copy of a vital gene

Two flying robots recently dropped off my burrito lunch. The first one arrived so fast, in 5 minutes, I missed capturing it on video. So I ordered another and ate both.

Down a dank and narrow back alley in San Francisco, Ian Brooke and a team of fewer than ten are quietly rebuilding the future of flight.

After ~20 years of shrinkage, the Antarctic ice sheet expanded by 108 gigatons/year from 2021-2023.

He was trapped, able to move only his eyes. Then Neuralink gave him an incredible new ability.

Where you can stumble upon a rain god

Discover how life-saving drones, initially blocked by US regulations, proved their worth in Africa and are now finally launching nationwide.

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”.

America outsourced manufacturing for a reason: it isn’t very profitable.

America should embrace its superpower: innovation. Innovation brings abundance, where everyone wins.

I expect to see the existence of extraterrestrial life confirmed within the next few years.

More beneficial to humankind than AI

Discover why CRISPR technology is defeating genetic diseases faster than you think, restoring sight, hearing, and preventing conditions before birth. We explore the race for supersonic travel (Mach 9 jets?), share our real-world ride in Tesla & Waymo robotaxis, and check out AI drones preventing shark attacks.

We tackle the growing lawsuit against the NRC set to unleash nuclear innovation and dive into the invisible battlefield shaping modern conflict.

I turned right out of Chicago’s Hancock building and was about to cross the street when something at the far end of the towering canyon of buildings leading to Lake Michigan caught my attention.

I'm writing you from a sun-bleached refinery town just outside Los Angeles.

We take you to El Segundo, California - ground zero for America's Hard Tech Renaissance.

We explore how AI tutors are revolutionizing education with remarkable results.

The Rational Optimist Diary is moving…