'Hard sci-fi' films focus heavily on science and logic. Here are five of the best

Some of the best films to come out of the genre focus heavily on the science part.

Hard sci-fi emphasizes elements like scientific accuracy and careful attention to the technology used in the narrative.

The Martian is a well-paced and engaging story that mixes humor and survival.

Ex Machina is a brilliant examination of how both humans and AI can be manipulative with power and trust.

Children of Men is a hard sci-fi story that teaches viewers about population endangerment.

Her flips the conventional idea on its head for a more heartwarming story set in a bright and colorful not-so-distant future.

Denis Villeneuve's sci-fi masterpiece, Blade Runner 2049 , is a dazzling and breathtaking narrative for genre fans.

The original Blade Runner was already a cult classic as it told the story of Rick Deckard hunting down rogue human-like robots called "replicants" in the future.

2001 : A Space Odyssey remains worthy of the many analyses it has received since its 1968 release, and people are still figuring out what Kubrick was trying to tell them.