Jet engines are built to terrifyingly tight tolerances, yet the latest simulations on the world’s first exascale supercomputer suggest their biggest weakness may be measured in micrometers.

Supercomputers are capable of a mind-boggling number of calculations and one of them just found a flaw in a piece of technology that is used around the world.

If you ask anyone working in the aviation industry what they think the most important component of modern-day planes is, chances are the vast majority may tell you that it is the jet engine. Also ...