-----Original Message-----
From: peter green [mailto:plugwash@p10link.net]
Sent: 18 April 2007 21:18
To: piclist@mit.edu
Subject: RE [EE] few question regarding to embedded space electronics



> What made that possible? (Special shielding?, unique manufacturing
> technique?, rare pcb designs?)
one common trick (not highly publicised for obvious reasons) is to use radioactive heating to keep stuff warm. 

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