Time Travel Concepts

noun a thing belonging or appropriate to a period other than that in which it exists, especially a thing that is conspicuously old-fashioned

• The use of a rotary phone in today's digital age is considered an anachronism.
• Having a VCR player in your living room is such an anachronism.
• Dude, using a fax machine is totally an anachronism nowadays.
• His outdated beliefs are like an anachronism in modern society.

noun a genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life

• The new sci-fi novel by the acclaimed author explores themes of artificial intelligence and human consciousness.
• I love watching sci-fi movies on the weekends, they always have the coolest special effects.
• That sci-fi show is out of this world, you have to check it out!
• His imagination is like a sci-fi movie, full of fantastical ideas and futuristic concepts.