At night police using spotter helicopters find it hard to tell cops from robbers on the ground. The simple answer, according to Richard Harvey of Newport in South Wales, UK, is for each officer on
To prevent collisions of aeroplanes with mountains, several major airlines have announced plans to install a satellite-based navigation system in the cockpits of planes. The equipment, called
Scientists from the Indian Defence Research and Development Organisation (DRDO) have recently patented a breakthrough biotechnological process that can be employed to produce kevlar aramid fibres
Bangladesh experienced its worst ever cold wave that killed at least 220 people in the western and northern districts. Biman Bangaladesh, the national airline, cancelled many of its domestic and