Mark Slavonia (@slavonia) header
Mark Slavonia (@slavonia) profile picture

Some days you're the hammer, some days you're the nail. Be the carpenter.

Joined December 2008
Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)Photo by Mark Slavonia (@slavonia)
Went for my first Tesla FSD beta ride this morning, with @slavonia at the wheel in heavy downtown SF driving. 10 min drive w 3 interventions necessary. It did a v good job of perceiving and anticipating pedestrians around us, but the interventions were all other-vehicle related.
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I wrote today’s edition of @WhyInteresting
The Transit Card Naming Edition on Why is this interesting? whyisthisinteresting.substac…
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I didn’t write this edition of @WhyInteresting about a very special Bay Area gas station but I wish I had. It’s great.
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I wrote today's edition of @WhyInteresting about radio altimeters and 5G. whyisthisinteresting.substac…
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I wrote today’s edition of Why Is This Interesting, about the tomorrow’s first ever Women’s Paris Roubaix
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OK this is one hell of a tweet. (Read below if you're wondering why.)
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This is a photo of Marianne Vos, probably the greatest female cyclist of all time, in the famously gritty showers of the Roubaix Velodrome in France. On Saturday, for the first time in the race's 125 year history, women will compete.
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Equinox! I measured my latitude by taking the angle of a shadow today. Here’s my observation - the actual latitude is 37°47’.
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I wrote today’s edition of Why Is This Interesting. Join me for this little trip back to 1989.
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Meanwhile, on Goose Twitter
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I wrote today’s edition of @WhyInteresting, on the rise and fall of travelers cheques whyisthisinteresting.substac….
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Congratulations to Leah Thomas, @DarthLeah, for winning the Old La Honda QOM challenge with a time of 15:03 on July 15, and to all the riders who set incredible times on this benchmark climb. Look for this commemorative marker near the mailboxes at the finish.
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Kuchi Kopi Christmas Tree Angel. #BobsBurgers @glowforge
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I think I may have brushed my teeth twice this morning. I don’t know.
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I've been testing cycling gloves by wearing a different glove on each hand. It really showed me which types of gloves to choose in which weather. Here's what I learned. markslavonia.com/gloves/
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20th Amendment, this is your time to shine!
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To all my friends posting "Georgia on My Mind" and "The Streets of Philadephia" today, I present the song that will be in my head all day today. youtu.be/wTVW_P0wou4
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