Chinese scientists claim they are developing a sci-fi technology that will help Chinese submarines travel at the speed of sound. What's more, the scientists claim the submarines will also become 'silent' and will not be detected by enemy radar.

China developing super fast, stealth submarines?

Fifty-five Chinese sailors have reportedly died after their nuclear submarine was ensnared in a trap intended to trap British, US and allies' sub-surface vessels.

55 Chinese sailors die of poisoning, asphyxiation in nuclear submarine accident: Report

In a terrifying video that has gone viral on the internet, a passenger airliner narrowly averted being attacked by a missile launched from a Chinese submarine. The footage was apparently shot from a Cathay Pacific Boeing 777.

Watch | Passenger jet near-misses ballistic missile fired from Chinese submarine

According to US Naval Institute (USNI), China has been massively expanding its shipyards to build nuclear-powered submarines. Also Read: Satellite images show Chinese submarine parked near South China Sea The development comes as China has been engaged in a simmering row with Taiwan.

China increasing nuclear submarine shipyard capacity: Report

Amid tensions in the South China Sea between the United States and China, satellite images reportedly showed a Chinese nuclear-powered attack submarine stationed at Yulin naval base near the South China Sea.

Satellite images show Chinese submarine parked near South China Sea