Welcome to the heart of FEMCI online. The Book is an online library of useful information regarding finite element analysis, such as How-To's and engineering theory.
An Automated Reliable Backup Solution | Linux Journal
first-hand article on creating NAS with duplicity
Black Hole Sound Waves - NASA Science
Sound waves 57 octaves lower than middle-C are rumbling away from a supermassive black hole in the Perseus cluster. One single wave takes 17.5 million years to complete at 1.815 fHz.