Japan is investigating a potential, um, defect in the Apple iPod after one reportedly "shot out sparks" while being charged. This is according to a government official who commented to the AP today. An anonymous official in the Japanese department which oversees product problems, stated that the defect is suspected to be in the lithium-ion battery in the iPod Nano, model number MA099J\/A. About half a million of these model of iPod nanos have been distributed in Japan, and it is unclear whether there will be recall or if this is an isolated incident.\n\n\nDiscuss "iPod Explodes, Japan Investigates" here. Read the article.