Show sample as: 72-frame QuickTime VR or 360-frame QuickTime movie loop.    My periodic table poster is now available! Laptop frame part. This is a magnesium alloy casting, part of an IBM ThinkPad frame. It's surprisingly light, which is of course why they use magnesium. Combine a flammable magnesium frame with a lithium ion battery that catches fire and you could have some fun! Source: Max Cane Contributor: Max Cane Acquired: 23 December, 2007 Text Updated: 24 December, 2007 Price: Donated Size: 8" Purity: >95%