Tooth cavity and root canal treatment - GIF

[mklotz]

... If they can't explain something to you in terms you can understand they do not understand the procedure themselves....

Your remarks bring to mind this quote of Einstein...

"You do not really understand something unless you can explain it to your grandmother."


But do as he says, not as he does. This is how he described radio...

You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this?
And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.