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in Lemont, IL, will power up a calculating machine the size of 10 tennis courts and vault the country into a new age of computing. The $500-million mainframe, called Aurora, could become the world's first "exascale" supercomputer, running an astounding 10 18 , or 1 quintillion, operations per second. Aurora is expected to have more than twice the peak performance of the current supercomputer record holder, a machine named Fugaku at the RIKEN Center for Computational Science in Kobe, Japan. Fugaku and its calculation kin serve a vital function in modern scientific advancement, performing simulations crucial for discoveries in a wide range of fields. But the transition to exascale will not be easy. "As these machines grow, they become harder and harder to exploit efficiently," says Danny Perez, a physicist at Los Alamos National Rows of cabinets hold incredible processing power for one of the world's best supercomputers, Summit, at Oak Ridge National Laboratory in TN. Exascale computing will surpass these existing computers by leaps and bounds. Image credit: Flickr/Oak Ridge National Laboratory, licensed under CC BY 2.0.

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teams battle for neuron prize Contest spurs progress for programs that can map a brain cell's myriad branches.