Wait, you're not an alt of Kolanaki? GET EM!
WaterWaiver
RamptantParanoia is sans Brackium Emendo, what is there to worry about?
Sans Brackium Emendo, thus you're fine by me.
He (He~1~) gas molecules are absolutely tiny, they love to leak through everything.
Is it a 3-terminal device? You may have to desolder it to find out. That also lets you poke around with the insides (hollow? layers?)
Probably a capacitor, either 2 terminal or 3 terminal. I was originally thinking GDT but it looks like even the SMD varieties are mostly cylindrical shaped rather than rectangular prism.
Some places in the world probably abuse it for non-emergencies. Imagine the reach for marketing!
The study: https://onlinelibrary.wiley.com/doi/10.1111/aec.70174 (not free)
I hate news articles that do not link to their sources and I hate paywalled science. If people have no legal or free way of verifying the claims made then they'll choose sides from these news articles based on rhetoric, not science.
In my heart I'm imagining the bike lane is next to the tracks, so it can avoid road crossings. I suspect this won't be true, but until I'm proven otherwise my imagination will not relent.
plus a phosphorus layer on top that smooths those two perfect lightwave color peaks in the wavelength domain into a broader light spectrum
The phosphor absorbs some of the blue and downconverts it to green and red. Some of the blue is let through for us to see. The mixture of R, G and B looks like white to us (but not necessarily to other animals with different cones in their eyes).
2 kinds of light emiting diode (LED) junctions inside - red and blue
I've never seen a red LED die inside a white LED. I've only ever seen blue dies on their own.
Technically UV-pumped white LEDs exist, but they're rare and I've never seen one. They're less efficient and require a third phosphor (to make the blue).
You can remove the yellowish looking phosphors on the LED with a small pick to reveal the blue die underneath. Fun fact: some high-power "red" LEDs are actually blue leds + phosphors, not that it's a particularly good choice but it's a thing: https://halestrom.net/darksleep/blog/018_led_cob_cutting/
Site seems offline now, says "Closed Jan 30th"
Something to be wary of when interpreting the datasheet:
- Act10 = LED blinking when Ethernet packets transmitted/received at 10Mbps.
- Act100 = ...
- Act1000 = ...
Bad wording on their part. What they really mean is: "LED blinking when Ethernet packets transmitted/received AND the link is currently in a XYZMbps link speed mode". The mode is negotiated once after you plug a cable in and usually does not change after that, regardless of how much data you try to send.
Technically each linkspeed/mode is a whole ethernet standard of its own, but we mostly gloss over that and pretend to end users that they're backwards compatible.



Perhaps it's an indicator of local financial stress? I used to find thrown out working or near working printers in my area, not any more.