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a4android
  • Member for 7 years, 11 months
  • Last seen more than 2 years ago
11 votes
Accepted

Pre-70s time travel novel: man dies, wakes up in the future in another body, and repeats the process until medical science has progressed very far

9 votes
Accepted

Short sci-fi book: astronaut boards ship, becomes indoctrinated and traps future astronauts

8 votes

Short story about a flight through the center of the earth

6 votes

Time travel book from the 50's

5 votes

Everyone on earth can suddenly read each other's minds

5 votes

Time travel short story where past is blank and future is unformed matter

4 votes

Where does the Sci-Fi term "Tyran" come from?

3 votes

A book or short story with normal time and reverse time happening in the same space

3 votes

Doctor pulled to the future to save a leader in a time when medicine is banned

3 votes

Who was the first author to write about transhumanism?

3 votes

"Causal loops are unchanging and self-originating, whereas time loops are constantly resetting".. What does it mean?

2 votes
Accepted

Identify Sci Fi children's book series from 1960s (or earlier)

2 votes

Time travel where you travel back in time in your own body?

1 vote

How does Lex Luthor know Superman's identity?

1 vote
Accepted

In "The Time Ships" by Stephen Baxter, Do Constructors Become Watchers?

0 votes

What prevents Asimov's robots from locking all humans in padded cells for the humans protection?