article_snippet: With the help of the $6,000 (£4,000) Telepresence robot, however, Mr Fetch can trundle between the desks and look at pupils work as the desks are doing it.
article_snippet: However, Mr Fetch said there can be the odd technical hiccup - with one robot occasionally driving into doors and walls.
article_snippet: Mr Fetch blamed this on the depth perception and peripheral vision of one robot not being 'that great.'
article_snippet: The robotic teachers do encounter the odd problem as the vision isn't great meaning The robotic teachers do drive into walls.