DES

Astronomers discover oldest supernova ever detected and it happened 10.5 billion years ago

Astronomers discover oldest supernova ever detected and it happened 10.5 billion years ago

The light from the explosion has taken 10.5 billion years to reach Earth, making it the oldest supernova ever discovered and studied. 

Feb 21, 2018, 10:13 AM IST

Bug in mobile SIMs puts 500 million phones at mercy of hackers: Study

A recent study by cyber researchers has revealed that phones SIMs using old encryption technology, DES, make the devices vulnerable to attacks as they could be copied and controlled.

Jul 22, 2013, 19:52 PM IST