This post from @atherton.bsky.social@popsci.bsky.social

The Marines used a ‘robotic goat’ to fire a rocket-propelled grenade

In an exercise, the US Marines mounted an anti-tank weapon on the back of a robotic quadruped. Here's why.

I've been picking up trash on some of my neighborhood walks too, and I really like it. I even bought one of those claw picker things to help me!

Opinion | This Is What Keeps My Eco-Anxiety in Check

The simple act of picking up trash, I’ve found, has an outsize effect on my worrying over climate change and ecological catastrophe.

Beautiful and proper #weirdcars

RVverger.bsky.socialOct 23, 2023 2:06pm

Writing this story, and getting to know Dan a bit, made me smile. His work on this giant bumper car is just beautiful. And this isn't the only remarkable thing he's created! In @popsci.bsky.social today

This giant bumper car is street-legal and enormously delightful

The creation of a Pennsylvania man named Dan Hryhorcoff, the enormous bumper car is 13 feet long and street-legal. Here's how it works.

Writing this story, and getting to know Dan a bit, made me smile. His work on this giant bumper car is just beautiful. And this isn't the only remarkable thing he's created! In @popsci.bsky.social today

This giant bumper car is street-legal and enormously delightful

The creation of a Pennsylvania man named Dan Hryhorcoff, the enormous bumper car is 13 feet long and street-legal. Here's how it works.

Check out all the neat flying machines and other gear that was on display at the up.summit last week in Texas. In photos, in @popsci.bsky.social, below

Futuristic aircraft and robotic loaders dazzled at a Dallas tech summit

Electric flying machines, drones, remote-controlled construction equipment, and the Army's AR goggles were all on hand at a Texas event.

I went to Texas for a conference-type thing. I acquired a cowboy hat. I wore said hat in DFW on my way home, looking very tired.

In 2018 I wrote an article for PopSci about how Delta was going to start flying some planes (A220s) with a window in the bathroom, and friends five years later I’ve finally experienced it for myself www.popsci.com/airplane-bat...

Watching the video of this high-altitude jump out of a very large (and very high) hot-air balloon makes me... nervous. It just looks so cold and scary. Check out the video at the bottom of the @popsci.bsky.social story, below.

The biggest hot air balloon in the US was built to carry skydivers

The very large hot air balloon will carry seven people up to 35,000 feet, and then five of then plan to jump out of it (wearing parachutes).

No, many more jerks over there. Also Nazis. Many many more Nazis.

The moment is significant because the other aircraft that the Department of Defense has on hand are powered by fossil fuels.

The Air Force’s big new electric taxi flies at 200 mph

Joby Aviation delivered an electric flying machine to Edwards Air Force Base, where the Air Force will experiment with different jobs for it.