So I have a basic understanding that blood is red due to the chemical bond between iron and oxygen, and how both elements together reflect light, but out of curiosity, can anyone touch on the significance of green light?
The section "The science behind Apple's sensors" in the article contains some details about that. Quick google search returned this: https://en.wikipedia.org/wiki/Photoplethysmogram According to this: http://bsn2014.org/poster/BSN2014-poster09s-maeda.pdf Green light seems to be used to lessen the impact of motion on the measurements.
The Apple Watch does not play nicely with some tattoos
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Re: The Apple Watch does not play nicely with some tattoos
#52Earlier quoted context omitted.
Anecdotal at best, but I have noticed a slow decline in % of quality posts per comment thread over the last 3 or 4 months. This problem is also much more apparent when the article is about something that is easy to comment on (non-technical discussion) and one that has large groups of cult fans and detractors that will blindly support or badmouth any newly released information (apple products are probably #1). sorry…
Anecdotal at best, but I have noticed a slow decline in % of quality posts per comment thread over the last 3 or 4 months I've also been reading comments like this since I arrived here four years ago (just looked that up, wow is that depressing). Not that it means they're all wrong, of course, but I suspect this is nothing new. Or maybe I'm the problem.
Re: The Apple Watch does not play nicely with some tattoos
#531. Media predicts failure of the new device since "it's not revolutionary like the original iPhone was".
2. Device is sold out within a short amount of time. Demand dwarfs supply.
3. Tech reviews are either breathless praise of the product or completely negative.
4. Customer satisfaction values are off the charts for the new device.
5. Something-gate - some usually minor technical issue is discovered and the media have another chance to write more articles.
6. The device continues to sell like hotcakes and everyone forgets about the technical issue.
We have now entered phase 5...
Re: The Apple Watch does not play nicely with some tattoos
#54That dainty watch doesn't even esthetically play along with that hairy, ink-covered arm. Particularly when it's displaying that cute little heart. Headline: "Biker ganger robs Japanese tourist" ... A good all-round fix may be for the watch to detect this situation and display a Hello Kitty skull.
Re: The Apple Watch does not play nicely with some tattoos
#55That dainty watch doesn't even esthetically play along with that hairy, ink-covered arm. Particularly when it's displaying that cute little heart. Headline: "Biker ganger robs Japanese tourist" ... A good all-round fix may be for the watch to detect this situation and display a Hello Kitty skull.
Did you consider that maybe the author was testing the watch on her husband?
Re: The Apple Watch does not play nicely with some tattoos
#56Surprised Apple didn't discover this - or maybe they did and just didn't think it was a big issue. Could this be part of the reason behind the try-on appointments, so people with tattoos/scars/hairy arms can make sure all the features work correctly before purchase? Edit: Also, why does the comment section here look like a reddit thread?
I suspect -- but have no proof whatsoever -- that Apple is the target of a widespread astroturfing campaign. The quality of other subjects on HN seems to be close to the normal (high) quality. Threads involving Apple, on the other hand, see an immediate influx of stupidity. As the downvotes accumulate, the thread drops of the front page. I realize that Apple has always been controversial, but this seems to have becom…
People either comment "aren't they glorious" or "they're not that good and you can get better stuff cheaper". My friends and acquaintances aren't astroturfers. Something about apple just seems to compel people to make strident comments.