What we are (re)learning extending computing beyond Petascale:

• Mapping the Science vs. Mapping the Code

• If we don't model what we teach, we are teaching something else (start with the science, keep going back to the science).

• It is no mere coincidence that 5/7 of "default" is "fault".

• Excitement for science can help overcome annoyance of batch: TT Therapy.

• Computation vs. Communication Defines "Big Data"