What Am I Riddles

Question: What grows up and down at the same time?

Question: I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant but I last a life time. What am I?

Question: I am the beginning of the end, the end of every place. I am the beginning of eternity, the end of time and space. What am I?

Question: What has a foot but no leg?

Question: There is an ancient invention still used in some parts of the world today that allows people to see through walls.What is it?