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<
eintopf>
they told the most are in african
<
eintopf>
and it's difficult to get them because war
<
eintopf>
another question
<
eintopf>
what are the benefits exactly smd led and a normal led
<
eintopf>
except the form factor
<
whitequark>
eintopf: there's the congo minerals
<
whitequark>
but congo doesn't contain
*most* tantalum, neither it even supplies the majority of it used today
<
whitequark>
typical telly fud
<
whitequark>
and there's no difference except the form factor
<
eintopf>
yea, but mean "bloody hands" in this case because the situation
<
eintopf>
how to get the resource, child work, not safety
<
eintopf>
now I never wants to buy a new smartphone
<
eintopf>
and the google guy already laughed about me because I have currently an old nexus 4
<
eintopf>
with half broken display
<
whitequark>
that picture is bullshit
<
whitequark>
just like anything else with extraordinary claims and no sources
<
eintopf>
I saw this documentation
<
eintopf>
but it's in german
<
eintopf>
they told the same, it's like blood diamonds but they name it blood minerals
<
whitequark>
I don't know german unfortunately
<
whitequark>
yes, blood minerals, conflict minerals, etc, are a problem that exists
<
whitequark>
DRC coltan is the major manifestation
<
whitequark>
however, there are regulations in place in EU and US that require tracking the supply chain of coltan, likewise with diamonds
<
whitequark>
so saying that iphones rely on conflict tantalum is incorrect
<
whitequark>
what
*is* correct is that iphones are assembled on a foxconn factory with ~400 suicides per year
<
whitequark>
well, probably lower now, since there was an outrage over this, but I doubt the conditions there improved all that much
<
eintopf>
and another question about wire, I have some of these magnetic wire
<
whitequark>
you mean varnish-covered magnet wire?
<
eintopf>
I need to google it, wait
<
eintopf>
it looks exactly like that, when I solder at the line the isolation will be gone
<
whitequark>
I recommend clearing the varnish before soldering, it can interfere with forming of the joint
<
eintopf>
but I think it has a different name
<
whitequark>
burn it off with cigarette lighter. sandpaper also works in a pinch, but much slower
<
whitequark>
it's also called "transformer wire"
<
eintopf>
can I use that wire also when it lays inside a electric cicruit?
<
whitequark>
"inside"?
<
eintopf>
on some board components, etc
<
whitequark>
keep in mind that sharply bending it will flake off the varnish
<
eintopf>
ah, not bending it. Ok
<
whitequark>
for a thin hookup wire, I recommend PTFE-coated wire
<
whitequark>
multistrand
<
eintopf>
and these are so small, I could use them directly @ smd led
<
eintopf>
or should I use "kynar wire"
<
eintopf>
because all people use kynar wire
<
whitequark>
kynar is another fluorinated polymer
<
whitequark>
should be at least as good as PTFE
<
whitequark>
so go ahead
<
whitequark>
pvdf (kynar) to ptfe is what pvc is to pe
<
whitequark>
generally... all fluorinated polymers offer excellent physical and chemical resistance
<
whitequark>
as long as cost allows i always prefer them
<
roh>
is pvdf also self-lubricating?
<
roh>
like ptfe and pom :)
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<
whitequark>
no idea here
<
whitequark>
looks like not
<
DocScrutinizer05>
((foxconn factory with ~400 suicides per year)) they mounted nets so jumping out the window doesn't work anymore for suicide
<
DocScrutinizer05>
dunno if they also did anything else to actually improve the situation, prolly not
<
whitequark>
I think they made some minor concessions
<
whitequark>
but that doesn't really change anything
<
whitequark>
DocScrutinizer05: btw, import feature almost ready to ship...
<
whitequark>
in solvespace
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