In this context it’s also invaluable to remember that:
“You do not really understand something unless you can explain it to your grandmother.” – Albert Einstein
Doing the latter is actually not common or easy as people often take lots of things for granted eg jargon. This is related to the so-called ‘curse of knowledge‘.
See also a previous post on the role of collaborative conversation in education.
Topic first spotted on the blog of Nick Milton.
Picture credit here.