When Steve Jobs left Apple

Hoverboards: Ban won't stop the wheels

Richard Bulliet: The self-balancing vehicles that are fast becoming a craze are illegal in the United Kingdom and banned in New York City, but here to stay.

Air Force: Laser-armed fighter jets by 2020

The invention of guns took warfare to a whole new level. Later, airplanes radically changed it again. Now, experts say another big shift is coming, led by energy weapons, including lasers.

The Steve Jobs you don't know

After the apocalypse: Inside Arctic vault that could help keep humanity alive

Amtrak activates speed-control system

Amtrak rails between New York and Philadelphia are now equipped with a speed-control and collision-avoidance system.