2001: A Space Odyssey, directed by Stanley Kubrick, features the sentient computer HAL 9000, which becomes a central character in the film's exploration of artificial intelligence and human consciousness.

In "Interstellar," the astronauts utilize gravitational waves, predicted by Einstein's theory of general relativity, to travel through a wormhole and explore distant regions of space.

Gattaca delves into the ethical dilemmas surrounding genetic engineering and discrimination based on genetic traits, raising questions about the boundaries of human enhancement and social justice.

In "Arrival," the aliens communicate with humans using a complex written language called the Heptapod Language, which challenges linguists and scientists to decipher its meaning and uncover the aliens' intentions.

The Day After Tomorrow presents a fictional scenario where climate change triggers extreme weather events, leading a group of scientists to race against time to avert a global disaster.

Mark Watney, played by Matt Damon, is the astronaut who finds himself stranded on Mars in "The Martian." He must use his ingenuity and scientific knowledge to survive and find a way to communicate with Earth.

In "Looper," Joseph Gordon-Levitt plays a hitman who is sent back in time to kill his future self, played by Bruce Willis. The film explores the complexities of time travel and the consequences of altering the past.

Ellie Arroway, played by Jodie Foster, is the scientist who makes contact with an extraterrestrial civilization in "Contact." She is a radio astronomer who dedicates her life to searching for signs of intelligent life in the universe.

The Matrix presents a world where humans are unknowingly living in a simulated reality created by machines. The film raises philosophical questions about the nature of reality and the boundaries between the real and the artificial.

Ryan Stone, played by Sandra Bullock, is the astronaut who finds herself stranded in space after her space shuttle is destroyed. She must use her skills and determination to survive and find a way back to Earth.

Interstellar explores the concept of faster-than-light travel through a wormhole, allowing a group of scientists to embark on a journey to find a new home for humanity.

Ava is the artificial intelligence created by Nathan in "Ex Machina." She possesses consciousness and emotions, passing the Turing test and challenging the boundaries between humans and machines.

Gattaca presents a dystopian society where genetic engineering has resulted in a divide between genetically superior individuals and those with natural genetic traits.

The Heptapods are the alien species that arrive on Earth in "Arrival." They communicate with humans using a complex written language and possess a unique perception of time.

In "Minority Report," Tom Cruise plays a PreCrime officer who can see future crimes before they happen. The film explores the ethical implications of using this technology to prevent crimes before they occur.