Swedish university closed after `massacre` threat
The University of Orebro in central Sweden said it would close on Monday after an anonymous threat raised fears of a planned massacre.
Jan 25, 2016, 04:29 AM ISTRobot to help guide lost passengers at airport
One of the more basic maps is one that involves fixed obstructions, such as walls.
Nov 29, 2015, 16:42 PM IST