Apple advertises the 160GB iPod classic as holding 40,000 songs, an absurd concept not so long ago, but some new science may make that as quaint as a 1MB hard drive seems today. Two researchers at Glasgow University have announced a molecule-sized switch that they say could allow up to 500,000GB to be housed on one square inch of substrate. Think: A few million songs in your pocket

	Read more at TheMacObserver
	www.ipodobserver.com/story/35524