U.S. Navy 3D prints submersible;

Has China developed "hack proof" communications?;

A new way to hack computers;

Self-healing robots on horizon;

Tech leaders fight for UN ban on killer robots

NASA defends against space threats;

The latest target of Russian hackers: U.S. nuclear plants;

The future of lethal robots;

Chinese subs get stealthier

Artificial intelligence: The NGA's new top analyst;

Hacking the human brain;

ABL reborn...on a drone;

How Russia can hack the U.S. electric grid

Bionic spy dragonfly;

With an eye on Russia, U.S. focuses on electronic warfare;

A military focus on electromagnetic weapons;

Navy rail gun almost ready to launch;

Prepping for space warfare

Military lasers and the law;

Making a better special operator: Hiding tankers in plain sight;

ABL 2.0?;

The future of drone warfare: Autonomous engagement