Stephen Jacob Smith

stephenjacobsmith.com

02 July 2026 22:17

Paper found that fire commanders in the US had less confidence in their ability to interpret info displayed about theoretical fires, found it unnecessarily complex, and were less interested in seeing it compared to fire commanders in Sweden and Finland www.sciencedirect.com/science/arti...

Marco Chitti

chittimarco.bsky.social

02 July 2026 22:07

Today San Marino extended its railway network by almost 20%, reaching some 950m in total, just 50 meters shy of 1 km! And 100% electrified. Congrats San Marino! youtu.be/1Y8o9ZJC_2A?...

Marco Chitti

chittimarco.bsky.social

02 July 2026 22:05

Thanks to @stephenjacobsmith.com for suggesting this paper: "Magic Numbers and Golden Rules" Some pretty clever reasoning about "magic" numbers and thresholds in fire regulations, something than can be said for a lot of arbitrary regulations in general. publications.iafss.org/publications...

David Zipper

davidzipper.bsky.social

28 February 2026 05:10

This is exactly what I warned about in my keynote at a transportation conference in Florida this week (and previously wrote about in @vox.com, below). AVs make car use easier, which will lead people to take more (and longer) car trips. More car use --> More congestion.

David Zipper

davidzipper.bsky.social

28 February 2026 05:09

New meta-analysis of 26 published studies concludes that AVs will lead people to use cars a lot more — which would thicken congestion and worsen pollution (even if AVs are electric). "AV deployment is anticipated to lead to an overall increase in Vehicle Miles Traveled." doi.org/10.1016/j.tb...