Our cameras these days are computerized wizards. We will get more successful shots based on the power of automation and advanced sensors without a lot of manual effort than we ever have in the past. There are still conditions though, where the camera cannot do it on its own and needs some external help, and that can come in the form of a flash unit that attaches to the camera hot shoe. I’m always a bit surprised by the number of people who have spent a fair bit of income […]

Better Backup

Fault Tolerance: At its simplest, you treat two physical disks as one, with one being a live copy of the other one. If the primary fails, the second kicks in and things work as they always did except you get an error that a disk has died. It’s easy to do, but as each disk is a replica of the other, it’s not particularly inexpensive.