>>....
>>And yet their theories are put into practice.
>
>What only shows how stable the system is. Even errors in modeling (what results into faulty controler / sensor, see control theory) will not do much to it.
>We have not seen a real problem yet. (In the sense that the majority of population lost believe in the computer numbers / printed fabric we use to transfer values.)


http://www.bloomberg.com/bw/articles/2013-04-18/faq-reinhart-rogoff-and-the-excel-error-that-changed-history

This one certainly had me pausing.