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New CD holds 800 times more data AN ELECTRICAL engineer at Princeton University in the US has created a CD that can hold up to 800 times more data than a conventional disc. Stephen Chou's discovery could yield discs the size of a small coin which are able to hold five hours worth of video. Chou uses electrons to cut the pits on a CD, which is how the data is stored. The only problem is that, to read the data, it needs an atomic-force microscope with a tip a few atoms wide - a rare instrument found in only a few labs. Chou predicts it will be a decade before his device makes it to a wider audience. - © The Telegraph, London Top of page | Home Page | News | BT Money | Survey | Companies | People | Appointments | World | Markets | Trends | Columns | News Maker | Money Guides | Labour Guides | Calculators | Search | Archive | E-Mail us |