Joke on Scientist

Once , newton , pascal and einstein were playing hide n seek. it was einstein's den. after counting to 10 .... einstein started searching. newton was standing in a one by one metre square. einstein said, "newton, u're out!".newton replied," no . i m not. i m pascal".einstein asked ,"how?". newton replied ,"i m newton per metre sqaure .... hence i m pascal!".