Clem Tillier
@ctillier.bsky.social
eclectic interests - space tech, SF Bay Area transit, HSR, anything on rails 🚄 or on a rocket 🚀. Also GLM, LMX 🌩️⚡️☄️
They said they would protect the victims, which might include the world’s most powerful victim?
December 20, 2025 at 4:12 AM
They said they would protect the victims, which might include the world’s most powerful victim?
The best crayons are based on rigorous field work!
December 11, 2025 at 3:23 AM
The best crayons are based on rigorous field work!
I would dock two points for wrapping the windows, major foul
December 10, 2025 at 4:23 PM
I would dock two points for wrapping the windows, major foul
In a Proof of Payment system, this shouldn’t be an issue. It only gums things up when you scan all passengers’ “boarding passes” at a “gate” which is not PoP.
December 10, 2025 at 4:38 AM
In a Proof of Payment system, this shouldn’t be an issue. It only gums things up when you scan all passengers’ “boarding passes” at a “gate” which is not PoP.
Not sure how much drag there is, but probably > 100 m/s for bigger chunks, considering large horizontal component
December 7, 2025 at 4:49 AM
Not sure how much drag there is, but probably > 100 m/s for bigger chunks, considering large horizontal component
Standard gauge BART interurban service
December 6, 2025 at 7:30 PM
Standard gauge BART interurban service
Evict interlopers from the platforms! In 2004 I was threatened with arrest for bringing my toddler there to watch some trains
November 30, 2025 at 7:43 PM
Evict interlopers from the platforms! In 2004 I was threatened with arrest for bringing my toddler there to watch some trains
Great write up. They should change the name to Crash Department
November 30, 2025 at 5:21 PM
Great write up. They should change the name to Crash Department
Owner of coffee shop is quoted as being “absolutely floored”
November 28, 2025 at 11:38 PM
Owner of coffee shop is quoted as being “absolutely floored”
Hi, it was me! I so admire your work!
November 24, 2025 at 12:40 AM
Hi, it was me! I so admire your work!
Strong subtweet, sir
November 20, 2025 at 2:00 AM
Strong subtweet, sir
Right. The words “whatever they are legally entitled to” are doing the heavy lifting
November 17, 2025 at 4:14 AM
Right. The words “whatever they are legally entitled to” are doing the heavy lifting
Driving on 280 is getting noticeably worse lately (says someone who did it just now)
November 13, 2025 at 2:02 AM
Driving on 280 is getting noticeably worse lately (says someone who did it just now)
Waymo is capillaries to Caltrain’s aorta
November 12, 2025 at 7:31 PM
Waymo is capillaries to Caltrain’s aorta
Very clearly written, bravo
November 12, 2025 at 8:56 AM
Very clearly written, bravo
They need The Ask sticker from @tomflood.bsky.social
November 8, 2025 at 11:16 PM
They need The Ask sticker from @tomflood.bsky.social
Don’t poke the bear
November 5, 2025 at 4:26 AM
Don’t poke the bear
California High Speed Car
October 31, 2025 at 11:22 PM
California High Speed Car
I still wonder how much reverse thrust results from the fluorescence?
October 30, 2025 at 1:47 AM
I still wonder how much reverse thrust results from the fluorescence?
The American urge to fit regional rail into categories
October 19, 2025 at 1:54 AM
The American urge to fit regional rail into categories
How would a flaperon getting tossed around in the surf & tides (for an unknown number of days) have its barnacle size distribution altered before being found? It seems reasonable that the longer ones would be more likely to fall off, possibly reversing the “timer”
October 13, 2025 at 2:41 AM
How would a flaperon getting tossed around in the surf & tides (for an unknown number of days) have its barnacle size distribution altered before being found? It seems reasonable that the longer ones would be more likely to fall off, possibly reversing the “timer”