By SARAH ANDREWS, Associated Press Writer
BARCELONA, Spain - Europe's fastest supercomputer — an IBM that can make 40 trillion calculations per second — booted up for the first time Tuesday at a research center in Barcelona.
The so-called MareNostrum computer boasts 40 teraflops of speed, which in layman's terms means it can make more calculations than a human pecking at a calculator could make in 10 million years.