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Enerloop batteries overpriced?



 
 
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  #11  
Old February 18th 18, 02:53 PM posted to rec.photo.digital
nospam
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Posts: 24,165
Default Enerloop batteries overpriced?

In article ,
RichA wrote:


electrolytic caps, particularly those from the early '00s, can fail,
but that's an entirely different problem (they were defective) and one
that's easily fixed.


Electrolytic caps degrade over time, no matter how good they are.


not significantly (unless defective), but easily replaced if needed, as
i said.
  #12  
Old February 18th 18, 03:26 PM posted to rec.photo.digital
android
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Default Enerloop batteries overpriced?

On 2018-02-18 13:53:39 +0000, nospam said:

In article ,
RichA wrote:


electrolytic caps, particularly those from the early '00s, can fail,
but that's an entirely different problem (they were defective) and one
that's easily fixed.


Electrolytic caps degrade over time, no matter how good they are.


not significantly (unless defective), but easily replaced if needed, as
i said.


Well... The caps plague came at convenient time in the digitalisation
of home electronics process! : -ppp

https://en.wikipedia.org/wiki/Capacitor_plague
--
teleportation kills

  #13  
Old February 18th 18, 04:39 PM posted to rec.photo.digital
Alan Browne[_2_]
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Default Enerloop batteries overpriced?

On 2018-02-17 18:13, Alfred Molon wrote:
In article , Alan Browne
says...

My last expensive Mac sold, used, after 6 years, for more than people
pay for middle of the road Windows PC's and that cash offset the cost of
this Mac which will eventually sell for more than ... well, you get the
picture.

Never mind the quality of the display on Macs that doesn't come with the
"bundles" that are so appealing with PC offers.

Never mind time saved by not dealing with Windows issues, one after the
next.

Never mind that Apple major OS updates are free.

Never mind that there is a single flavour of Mac OS for all kinds of
use. (None of the low value idiocy of Windows editions (home, student,
professional).


All these issue do not exist with this PC I'm using right now. And in


Of course the issue exists: if you need the "higher capability" OS you
have to pay more. With Mac you get one OS that is "higher capability"
for all users.

any case, after 6 years a PC is totally depreciated and you buy a new
one. 500 Euro every 6 years is not much.


In my case, after 6 years, I sold it for well over €500 . That was 5
years ago and that family is still using that Mac.

"This" Mac I've had for 5 years and will easily serve me for 5 more
unless there is a catastrophic failure. Quad Core HT i7 with 24 GB of
RAM ... hmm, I could replace the HD with SSD to get a little more oomph
and up the memory to 32 GB I suppose...

--
“When it is all said and done, there are approximately 94 million
full-time workers in private industry paying taxes to support 102
million non-workers and 21 million government workers.
In what world does this represent a strong job market?”
..Jim Quinn
  #14  
Old February 18th 18, 04:47 PM posted to rec.photo.digital
Alan Browne[_2_]
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Posts: 696
Default Enerloop batteries overpriced?

On 2018-02-17 18:30, Alfred Molon wrote:
Another thing, a guy who works for Intel (he analyses defects in CPUs)
told me that processors degrade over time, i.e. they age (at least those
used in consumer products).
Apparently over time CPU develop defects, which make them slower or
might even cause them to stop working completely. If so, it's not a good
idea buying a 6 years old computer.


What can happen is build up of dust causes over heating, so the CPU
automatically slows its clock and runs slower. Some articles also cite
thermal paste degradation over time. Both can be rectified easily.

Oscillators also "drift" over time. You would notice this as much as
observers would note the effects of Special Relativity of cars driving
on the Autobahn at higher speeds.

--
“When it is all said and done, there are approximately 94 million
full-time workers in private industry paying taxes to support 102
million non-workers and 21 million government workers.
In what world does this represent a strong job market?”
..Jim Quinn
  #15  
Old February 18th 18, 07:45 PM posted to rec.photo.digital
Alfred Molon[_4_]
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Posts: 2,591
Default Enerloop batteries overpriced?

In article , Alan Browne
says...

What can happen is build up of dust causes over heating, so the CPU
automatically slows its clock and runs slower. Some articles also cite
thermal paste degradation over time. Both can be rectified easily.

Oscillators also "drift" over time. You would notice this as much as
observers would note the effects of Special Relativity of cars driving
on the Autobahn at higher speeds.


I'm not an expert. What I understood from that discussion is that the
constant heat over time impacts the silicon of the processor. There are
pretty tiny structures in the nanometer range which degrade over time,
thereby impacting the functionality of the processor.

This is from an Intel guy who analyses processor defects, so should be
knowledgeable.
--
Alfred Molon

Olympus E-series DSLRs and micro 4/3 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site
  #16  
Old February 18th 18, 07:54 PM posted to rec.photo.digital
Alan Browne[_2_]
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Posts: 696
Default Enerloop batteries overpriced?

On 2018-02-18 13:45, Alfred Molon wrote:
In article , Alan Browne
says...

What can happen is build up of dust causes over heating, so the CPU
automatically slows its clock and runs slower. Some articles also cite
thermal paste degradation over time. Both can be rectified easily.

Oscillators also "drift" over time. You would notice this as much as
observers would note the effects of Special Relativity of cars driving
on the Autobahn at higher speeds.


I'm not an expert. What I understood from that discussion is that the
constant heat over time impacts the silicon of the processor. There are
pretty tiny structures in the nanometer range which degrade over time,
thereby impacting the functionality of the processor.


Probably true and yet completely un-noticed as the effect is probably
only measurable by people who look at such things closely. IOW, not
worth consideration in the real world. Possibly worth consideration if
one is building a 64,000 processor super computer.


This is from an Intel guy who analyses processor defects, so should be
knowledgeable.


And yet we've built computers for the military that test in spec after
20 years of use - in very adverse environments.

--
“When it is all said and done, there are approximately 94 million
full-time workers in private industry paying taxes to support 102
million non-workers and 21 million government workers.
In what world does this represent a strong job market?”
..Jim Quinn
  #17  
Old February 18th 18, 08:45 PM posted to rec.photo.digital
nospam
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Posts: 24,165
Default Enerloop batteries overpriced?

In article , Alfred
Molon wrote:

What can happen is build up of dust causes over heating, so the CPU
automatically slows its clock and runs slower. Some articles also cite
thermal paste degradation over time. Both can be rectified easily.

Oscillators also "drift" over time. You would notice this as much as
observers would note the effects of Special Relativity of cars driving
on the Autobahn at higher speeds.


I'm not an expert. What I understood from that discussion is that the
constant heat over time impacts the silicon of the processor. There are
pretty tiny structures in the nanometer range which degrade over time,
thereby impacting the functionality of the processor.


not significantly that it would cause problems on a widespread basis.

20-30 year old computers are still in use.

i have a 40+ year old calculator and it still gives the correct answers.

This is from an Intel guy who analyses processor defects, so should be
knowledgeable.


perhaps so, but you're misinterpreting what he is saying.
  #18  
Old February 19th 18, 10:09 PM posted to rec.photo.digital
Alfred Molon[_4_]
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Posts: 2,591
Default Enerloop batteries overpriced?

In article , Alan Browne
says...
And yet we've built computers for the military that test in spec after
20 years of use - in very adverse environments.


Yes, but consumer electronics is different...
--
Alfred Molon

Olympus E-series DSLRs and micro 4/3 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site
 




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