You can't take Archimedes anywhere

It's ok. It's science.
heuristic / hyur-is-tik / adjective, noun
1. Practical, hypothetical, based on an educated guess that serves as a practical guide in the investigation or solution of a larger problem.
2. Related to a "hands on" teaching method that leads students to an understanding of a subject by allowing them to conduct real research on that subject.Another way of saying it:
Heuristic