Answer:
What invention lets you look right through a wall?
Roast, boast, coast, post. What do you put in a toaster?
I have a foot but no leg. What am I?
Although I am still, in families I run. I continue to live on in a living one. As one continues to draw breath, I will not rust. However, when one stops drawing breath, I will become mere dust. What am I?
kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all.
The answer I give is yes, but what I mean is no. What was the question?