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The NTSB report on the Fern Hollow Bridge collapse in Pittsburg made the remarkable assertation that "rust makes metal weaker". https://www.eng-tips.com/threads/pittsburgh-bridge-collapse.507081/ It seems that the State of Washington has been conducting a peer review test of this assertation...

An interesting read. https://arstechnica.com/space/2025/04/the-harrowing-story-of-what-flying-starliner-was-like-when-its-thrusters-failed/

USAF found cracks in 2 KC-46A airframes. https://www.twz.com/air/cracks-in-kc-46-pegusus-tankers-halt-all-deliveries

Another EV startup learns that a "vision" isn't enough. EV startup Canoo files for bankruptcy and ceases operations | TechCrunch https://search.app/v16dQRSg4jTteBJ88

https://local12.com/news/nation-world/winter-tires-recall-recalls-recalled-prinx-chengshan-tire-north-america-inc-company-more-than-541000-over-lack-of-traction-snow-national-highway-traffic-safety-administration-cincinnati-consumer-dangerous-products-risk-crash-potential-injury-regulation

More good news for the US aviation industry. https://theaviationist.com/2024/10/27/steel-company-made-failed-gear-crashed-osprey/

A brief summary from the BBC. https://www.bbc.com/news/articles/c049yvrd5qxo Full report available here: https://www.grenfelltowerinquiry.org.uk/

https://www.carscoops.com/2024/08/the-search-is-on-for-the-first-aston-martin/ @GregLocock: Fess up, you've got this in your barn next to that first Lotus Mk 1 don't you? thread1088-444570

This apparently happened last week - with no apparent coverage by the Western press. https://www.youtube.com/watch?v=bNFnbkh0LWE https://www.youtube.com/watch?v=i52qfpXMS2Q

A different thread (thread391-518870) got sidetracked onto the topic of bonding to aluminum and stainless. I started this thread to give the subject it's own track. From that other thread:

https://www.motor1.com/news/714299/first-vw-golf-built-50-years-ago/ I had three over the years.

https://silodrome.com/aston-martin-db2-4-bertone/ Stunningly beautiful. Up for sale next week. Wish I had a spare $1.6 million. https://rmsothebys.com/en/auctions/ny23/new-york/lots/r0005-1954-aston-martin-db24-coupe-by-bertone/1409707/photos

Interesting article in the Telegraph. It references a TV show, but doesn't give details about where to watch. https://www.telegraph.co.uk/tv/2023/11/25/historians-out-who-stole-concorde-plans-gave-to-russians/

https://www.npr.org/2023/11/20/1214320644/navy-plane-hawaii-bay-overshoots-runway

thread815-491466 NTSB to other bridge owners: "Rust makes metal weaker." https://www.cbsnews.com/pittsburgh/news/ntsb-fern-hollow-bridge-report-review-bridge-inspection-reports-nationwide/

I found this interesting. https://youtu.be/uM-ycHS9uvw

https://www.necn.com/news/local/lanes-closed-on-i-93-south-in-medford-after-truck-strikes-bridge-avoid-this-area/2508236/ Looks like some pretty serious damage. Photo of bent girder

We have client-owned lidar point cloud data available in .la20 format files. We understand this to be a Trimble-proprietary file format. We have no investment into the Trimble software ecosystem, and already have tools and workflows to use the more common .las and .laz point cloud files. Can...

In thread404-472367 @Compositepro wrote: I'll admit to having never thought about that as a possibiity, however it is neither obvious nor intuitive to me that this is true. I'm not sufficiently motivated to do the math, but if @Compositepro or someone else wants to, or has a reference for...

I've been asked to research https://www.nanoseptic.com/. My initial impression is that the web site has all the hallmarks of "snake oil". There is a complete lack of anything quantifiable to assess. Everything is "testamonial". "It's great because it makes people feel safe". But I'm...