Laser tanks aren't just a sci-fi concept — they're very much real ... the 2S19 Msta-S self-propelled howitzer and eliminated the turret and mounted a laser emitter on top.

This week’s retro trailer is for the the 1978 low-budget sci-fi action movie Laserblast , which was directed by Michael Rae. The film follows a troubled teenager named Billy Duncan ( Kim Milford ), ...