150 GByte on a CD-ROM
Compared to what researchers at the TU Berlin have now experimentally created, even the largest DVD might look pale. The team managed to pack a whopping 150 GB of data on a CD.
The trick: Instead of storing the bits and bytes as usual in 'two-dimensional layers', this new technology, which is called a micro-holographic process , Three-dimensional grids used for storage in the layers. And as it has already been announced in Berlin, there is probably no great effort to make, as with some DVD standards, to write several layers on top of each other. It is of course not yet possible to foresee whether such formats will prevail, and if so, when they will come onto the market. However, the good old CD doesn't seem to run out of air for a long time. One can be curious.