I've mentioned battery backups—that is, Uninterrupted Power Supplies which provide electricity when PG&E decides to stage a rolling blackout—once or twice in the past. This past week the Ur-Guru had an adventure with his, so I've asked him to write about it. ### One of the things often overlooked when thinking about backups is an uninterruptable power supply (UPS). We back up our data … [Read more...]