Answer:
What invention lets you look right through a wall?
You use a knife to slice my head and weep beside me when I am dead.
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
What type of house weighs the least?
Why is the letter B always cool?