Answer:
What invention lets you look right through a wall?
I look at you you look at me I raise my right you raise your left.
I donβt forget!
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
The answer I give is yes, but what I mean is no. What was the question?