mahdi naqbi radio news agency . engineers from shanghai university in china unveiled a robotic dog to help blind and visually impaired people. this dog for balances. help them walk and prevent them from hitting obstacles. this robot also does not need a constant internet connection because it can remember predetermined routes. the walking speed of this robot can be adjusted according to the user's needs and reaches a maximum of 1.6 meters per second. the next part of the hour news. in the name of god, ladies and gentlemen, hello, i am alireza hashemzadegan with jahan today with you in the case. first of tonight's program , we will examine the continuation of student protests in america with mr. tim anderson, a retired university professor . attempting to psychologically harass protesting american students due to the crimes of the zionist regime against gaza, this action of the supporters of the zionist regime is carried out with the support of the american police. listen to this voice. it is the cry of a hungry chil