Reflections on science, technology, and computing — leavened by personal experience


Not that long ago, a megabyte was a lot of storage, whether primary or secondary. Not long ago supercomputers were defined by the number of megaflops they achieved. Times change. Bigger is not just bigger, bigger is different. Quantitative change begets qualitative change.

More to the point, consumers, universities, industry and government are now drowning in digital data. Whether it’s digital music, video and photographs; scientific data from high resolution sensors; or just the traffic of daily business life, petabytes and exabytes are upon us.