Exploring Other Worlds
Like Duolingo, but for Exploring Other Worlds. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

Key ideas in Exploring Other Worlds
- The core function of the 'social laboratory' in science fiction
- Distinguishing science fiction from fantasy based on internal logic
- The 'What If' is the single rule change in the laboratory
- The story's value comes from the insight it provides into our actual world
- Applying the 'What If' framework to identify social commentary
- Technology in sci-fi creates new moral dilemmas
- Sci-fi gadgets drive the plot by forcing characters to adapt their lifestyle
- Authors use tech to explore 'unintended consequences'
- Every technological gain usually requires a social or moral trade-off
- The 'payoff' of sci-fi is the human reaction to the tech
- Great sci-fi focuses on how society is forced to make new moral choices
- Moral judgment in SF often depends on the alien's intent rather than their biology
- Authors use extreme alien traits to isolate and examine specific human behaviors
- The 'mirror' effect uses alien behavior to question if human discomfort is a universal standard for 'bad'
- The 'strange' trait acts as a foil to make the 'normal' human trait visible
- Aliens function primarily as a literary device to define humanity
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Exploring Other Worlds the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
What is the primary foundation that science fiction uses to build its fictional worlds?
Get it right to open this lesson and 25 more in the app.
Where Exploring Other Worlds takes you
Discover how science fiction helps us imagine the future and question our own world. Learn to spot the big ideas that turn a simple story into a galactic adventure.
- 1
Spotting the Big Ideas
- The 'What If' Question
- Spotting Future Tech
- Meeting the Aliens
- Traveling Through Time
- 2
Judging a Galaxy
- Hopeful Futures vs. Scary Ones
- Is the Science Believable?
- How Robots Reflect Humans
- Space Travel vs. Inner Growth
- The Power of World Building
- Why the Ending Matters
- 3
The Roots of the Future
- The First Space Stories
- How Real Science Changes Fiction
- The Golden Age of Magazines
3 sections · 13 units · 26 levels. Built to play, not to enroll.
You pick the voice
Exploring Other Worlds is taught in the The Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
More Arts on Tomo
Crochet Your First Masterpiece
Stop staring at yarn and start making! Learn the essential loops to create cozy gifts and discover why this 'one-hook wonder' is the ultimate creative escape.
Mastering the Art of Storytelling
Learn how to capture any audience's attention and turn your ideas into unforgettable experiences. Discover the hidden triggers that make people care about what you have to say.
Animals in Art: From Cave Walls to Pop Culture
Discover why humans have been obsessed with drawing animals for thousands of years. Learn to spot hidden meanings in famous paintings and see how creatures shape our cultural identity.
Writing Stories People Can't Put Down
Stop staring at the blank page and start building worlds. Learn how to hook readers with unforgettable characters, sharp dialogue, and plots that keep them guessing until the very last page.
Mastering the Art of Roman Statues
Go from seeing cold stone to reading the stories, secrets, and scandals of the Roman world. Learn to spot a fake, identify a god, and understand why these faces still look so familiar today.
Mastering the Formal Dress Code
Stop stressing about the invitation and start feeling confident in your clothes. Learn how to decode dress codes, choose the perfect fit, and carry yourself with grace at any high-end event.
Start Exploring Other Worlds today.
Download Tomo, search Exploring Other Worlds, and play your first lesson in under a minute.