10+ hour, 17+ min ago  (28+ words) Cars and trucks are getting bigger, and I had a vague sense that fuel economy regulations were partly to blame. Looking into it, it's hard to say how...

3+ week, 3+ day ago  (601+ words) I'm on a plane heading back to San Francisco. I've lived in the Bay Area for most of the years since 2009, and a large fraction of that time the place has felt near the brink of self-driving cars. (Well, everywhere…...

3+ mon, 3+ week ago  (456+ words) Published on January 30, 2026 3: 30 AM GMT Very few people have been on a plane performing a barrel roll, but we could fix this. Commercial aircraft could roll in revenue service, and if you had your window shade down you wouldn't even…...

4+ mon, 1+ week ago  (528+ words) Our family has half a Honda Fit, and it's great! Reliable, pretty good mileage, holds our family of five plus a vacation's worth of luggage, seats fold flat for when I'm bringing sound equipment to dances. It would be nice,…...

4+ mon, 2+ week ago  (1804+ words) Waymo goes Full San Francisco West Bay except for SFO: Jeff Dean: Exciting expansion! @Waymo now serves the whole SF Bay Area Peninsula from SF to San Jose and is taking riders on freeways. They can serve SJC, and SFO…...

6+ mon, 1+ week ago  (859+ words) My goal is to explain what is hard, where the challenge lies. To do that, I need to first cover some more of the physics. Tires have a maximum amount of force they can transmit[2]. It is a surprising and…...

8+ mon, 2+ week ago  (852+ words) Do you primarily bike to work or to other places as well? This all makes me think that Seattle is a difficult place to get around by bike for even an "Enthused and confident" rider and that you'd need to…...

8+ mon, 2+ week ago  (562+ words) I recently moved near Seattle[1], where traffic is terrible but there are surprisingly many bike lanes. Unfortunately, there are also a lot of hills. For a while, I would occasionally bike to work, but the hills were intimidating and I…...