tracking

Have you ever been alone and suddenly felt like you were being watched by someone from behind, typically when sleeping alone at night?

Russia's space monitoring center tracks 15,000 objects in the universe to prevent close access to objects in orbit.

Every year, the Manx seabirds often have a journey of up to 20,000 km.

A high-tech company in China's Zhejiang province introduces smart drain covers that can prevent theft and reduce noise.

Anti-virus software company AVG has discovered a type of malware (only affects Android phones) can still track users even when the computer is turned off.

The US National Science Foundation has funded $ 27 million to the Texas Computer Center at the University of Texas to create the world's fastest new supercomputer in 2013.

The technology for capturing video or taking photos from unmanned vehicles cannot locate places where it is difficult to access, but they are considered illegal.