peterludemann.bsky.social
@peterludemann.bsky.social
Retired from software {Google, Yahoo, start-ups, IBM, BNR}; sometime bicyclist, sailor, & non-gardener; easily amused by PL design and type inferencing.
Los Altos, California (previously Tokyo, Osaka, Toronto, Ottawa, Victoria, Vancouver)
Reposted
The results are clear. Painted lanes lead to more cyclists being killed or seriously injured. Cycle tracks (i.e. protected lanes) are much safer and lead to huge increases in cycling.

This is data from Vancouver. Our politicians should stop ignoring it.
November 30, 2025 at 11:02 PM
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I finished that thing I've been writing. It looks like I've taken on some big questions.

The conclusions are what I’ve been trying to say for several years, but I believe now I've explained it better and with more context.

terikanefield.com/whyextremism...

For a blog post . . .

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Why Intolerance and Extremism Happen (and how to protect democracy in a divided world) - Teri Kanefield
Hello, and welcome. I plan to take on some big questions, including: Why do some people spiral into extremism? Why does democracy seem perpetually on the brink? Why are we so divided? What can we do t...
terikanefield.com
October 4, 2025 at 2:32 PM
Reposted
August 8, 2025 at 9:43 PM
LETS TRY THIS:

Quote-post this with a “picture worth a 1000 words” of a scene from another city that exemplifies what you’d like YOUR city to achieve on the way to becoming a much better #CityForPeople. The only word you get to include is the name of the city the scene is from.
December 29, 2024 at 8:19 PM
Reposted
Philosophers can argue endlessly over the nature of identity, but at the end of the day the software engineer must implement the equals() method.
December 26, 2024 at 8:24 PM