We've only been reverse-engineering this Alien technology since the 1950's. We probably only know 10% of what we need to make it really work correctly.<div><br></div><div>Doesn't everyone know this?</div><div>
<br></div><div><br><div class="gmail_quote">On Thu, Dec 13, 2012 at 12:55 PM, Steve Roggenkamp <span dir="ltr"><<a href="mailto:roggenkamps@acm.org" target="_blank">roggenkamps@acm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p>Probably several things. Warning: speculation follows.</p>
<p>1. Differential heating could cause cracks to form in the traces. <br>
2. Atoms migrating out of place in semiconductors.</p>
<div class="gmail_quote"><div><div class="h5">On Dec 13, 2012 12:32 PM, "Joshua Kramer" <<a href="mailto:joskra42.list@gmail.com" target="_blank">joskra42.list@gmail.com</a>> wrote:<br type="attribution">
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
So as it turns out, the external enclosure in which I had my 500GB drive, is flaky.<br><br>I put the new 1TB drive in this enclosure to use as a backup drive. I put the old 500GB drive (that was giving me "can't read sector" I/O errors) on a small SATA-USB adapter I had. When I started copying from the old to the new, the new 1TB drive was giving all kinds of I/O errors.<br>
<br>I hung the 500GB drive off of an internal SATA interface of my PC, and I connected the 1TB drive to the SATA-USB adapter. Now, I am copying things over with no I/O errors.<br><br>What's interesting is, for the past 18 months or so I've kept this enclosure in a cool, dark closet... and I've only moved it once every 1-2 weeks to do backups. And I only plug it into a UPS-protected outlet.<br>
<br>So I wonder what, barring an external physical event, causes a transistor or two to work one day, and then the next, say, "you know what? I've had enough on/off cycles in my lifetime, I quit!"<br><br>Cheers,<br>
-JK<br>
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