Viewing profile — kevinchen
kevinchen
HN member- Joined
- Sun, Nov 28, 2010, 5:09 AM UTC
- HN karma
- 1,972
- Public activity
- 335 items
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About kevinchen
The opinions expressed here are my own. They do not represent those of my employer.
Recent public activity
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Comment #39006672
I believe the MTBF argument still applies to Starlink. Regarding the minimal risk condition / fallback behavior, a central point of the article was that slowing or stopping are alm…
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Comment #38996695
Cell networks are even longer lead time and more capital intensive than autonomous driving ;) even if we only consider the fcc + local permitting time, it already makes this option…
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Comment #38996662
Author here. At the mean time between failures needed to exceed human performance, the uptime of the network connection quickly becomes a limiting factor. It’s possible to pick onl…
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Comment #38996615
Most high end sensors, especially lidars, are targeted at L4 applications. Otherwise the price cannot be justified. It’s a safe bet that sensor makers are including AV developers i…
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Comment #38996263
The cab, sensors, and compute are also expensive, not to mention other variable costs like staff for remote assistance, maintenance, and first/last mile
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Comment #38992691
I agree achieving human safety equivalent is the minimum bar. Ex: We can all agree that if your system is below human safety, it is definitely unacceptable. That’s not the argument…
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Comment #38992666
Thst video looks fairly sparse and well structured by SF standards? eg interactions starting at 9:00 https://youtu.be/TOV0ndPr0Dk Many examples of high pedestrian density in https:…
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Comment #38992616
Author here. the shorter reaction times you mentioned are collected under ideal conditions, like the person knows they are being tested and only needs to push a button or whatever.…
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Comment #33905348
"checksums of file and photo data are used to help Apple de-duplicate and optimize your iCloud and device storage" This is likely describing content-addressable storage. It is the …
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Comment #23112047
I don’t think this is true. iMessage works in China (they can’t block all of Apple)
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Comment #22991187
I guess this post is a little bit different, because VMs are designed to be portable across different hosts. Even hypervisor software without live migration still lets you freeze t…
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Comment #22306179
I don’t think this is accurate. Within a single region, S3 stores in multiple availability zones by default. https://aws.amazon.com/s3/faqs/
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Comment #22306172
I’m a Backblaze customer of many years & respect their team a lot. But seriously, “out-Googling Google” because they have cheaper storage is a meme that needs to die. GCP and AWS b…
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Comment #22306142
I’m sure Amazon, Google, Facebook, etc collect their own stats on drive failure. It would be almost negligent if they were just guessing in the dark every time they buy drives. Mai…
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Comment #20388443
When I clicked the PoC link in Safari, it launched the Zoom app using a URL scheme. ("open in ...?" dialog put up by Safari)
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Comment #19316112
This is an unusually large open source project, especially for NSA. I wonder whether they were motivated to release this tool because of their recent brain drain / hiring problems.…
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Comment #17262644
Tesla Autopilot should be recalled via the next OTA update. The “Autopilot” branding implies that users need not pay attention, when in reality, the system needs interventions at i…
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Comment #16027311
"Late January" is 1 month from now