The building blocks of digital images are "bits", which can either be "zero" or "one". Magnetic storage devices such as hard disks distinguish a "one" from a "zero" by changing the magnetic properties of the disk in that location. The great thing about hard disks is that their capacities are constantly increasing while prices are constantly dropping. Two hundred gigabyte Such hard disks can hold about 70,000 six megapixel JPEG or 23,000 six megapixel uncompressed RAW images. That's about 700 JPEG or 230 RAW images per dollar. Portable housings exist with built-in international 100-240V power supply, USB 2.0 (Hi-speed), and FireWire IEEE1394 connections, To avoid overheating, get a case with a large diameter cooling fan below the hard disk. Note that the market is gradually moving towards SATA (Serial ATA) drives and away from the older and slower IDE drives. However, the choice of external housings for SATA drives is still limited.

This unique and multi-functional Magnetic Spice Rack by Lipper International is a great way to keep herbs and spices close at hand. This amazing spice rack is also great in the office to keep small supplies such as paper clips, rubberbands, buttons, sewing material and other small parts neatly stored and organized. This 7 piece set includes a stainless steel rack and 6 containers, each with a strong magnetic backing that completely adheres to the rack and any metal surface. The rack also features a magnetic backing that allows you to hang it on any metal surface or an easel stand for displaying on the countertop. The containers feature a pour and sprinkle setting for easy dispensing and a clear top for identification. Spices not included. With its durable construction, the magnetic storage tins are a useful addition to refrigerators, file cabinets, lockers, and other metal surfaces. The convenient clear cover allows you to easily peek into each bin without having to take the lid off to see what?s inside. The simple and tasteful stainless steel de.