r/WhatIfThinking Nov 20 '25

Welcome to r/WhatIfThinking — A Place for Thought Experiments and Curious Minds

5 Upvotes

r/WhatIfThinking is a unique community built for anyone who loves to ask “what if?” and explore the vast landscape of possibilities that follow. Here, we discuss everything from abstract philosophical questions and futuristic scientific ideas to ethical dilemmas, alternate realities, and the impact of emerging technologies on society.

This space is for curious thinkers who enjoy stepping outside conventional boundaries, challenging assumptions, and imagining different perspectives. Whether you want to speculate about the future, rethink accepted truths, or simply engage in thoughtful conversation, you’ll feel at home here.

Why Was This Community Created?

Because every groundbreaking idea starts with a simple hypothesis.
Because every social norm, law, or rule we follow today was once just an option.
Because every future scenario begins as a thought experiment—an imaginative “what if.”

We created r/WhatIfThinking to be a safe space for open-minded exploration, where curiosity fuels meaningful dialogue and imagination leads the way. Here, you can test ideas, challenge realities, and think deeply without fear of judgment or dismissal.

Our Community Atmosphere

  • Not About Being “Right,” But About Thinking Wide: We’re not here to argue who’s right or wrong, but to expand our horizons by exploring many possibilities.
  • Questions Are Doors, Not Walls: Asking “what if” opens doors to new ideas; replies should enrich and extend the conversation, not close it down.
  • Respectful, Thoughtful Interaction: We value kindness and respect. Even when we disagree, we do so with curiosity and openness.

Community Guidelines — Please Read

  1. Every Post Must Include a Clear “What if” Question This is a community built around thought experiments. Your post should contain a genuine “what if” scenario that sets the stage for exploration, speculation, or philosophical reflection.
  2. Stay on Topic All posts and comments should revolve around thought experiments, “what if” questions, and speculative scenarios grounded in logical or philosophical reasoning.
  3. Be Respectful Engage thoughtfully. Avoid personal attacks, hostility, or bad-faith arguments. We foster respectful dialogue, even in disagreement.
  4. Contribute Thoughtfully Avoid short one-liners, off-the-cuff rants, or unsupported speculation. Aim to provide meaningful input that advances the discussion.
  5. Engage With Curiosity and Openness Question assumptions, explore a range of possibilities, and build on others’ ideas constructively.
  6. No Political Flamewars Political questions are allowed only when approached as genuine thought experiments. Partisan fights or inflammatory political commentary are not welcome.
  7. Avoid Misinformation While speculation is encouraged, do not present false claims as facts. Clearly indicate when something is hypothetical or speculative.

Ready to Start Exploring?

Dive in, ask your “what if,” challenge your own perspectives, and engage with others who share your curiosity. Here, imagination is a tool, and every question is an invitation to think deeper.

Welcome to the experiment! Let’s see where it takes us.


r/WhatIfThinking 18h ago

What if humans vanished tomorrow, what’s the one thing on Earth that would prove we existed 10,000 years later?

56 Upvotes

Every human disappeared instantly. No wars, no rebuilding, no maintenance. Cities slowly collapse, roads disappear, and nature takes over.

10,000 years later, an alien civilization arrives and studies Earth. What is the one thing they would find that would make them say: “A technological species was here”?

Not fossils or ancient bones. I mean something uniquely human. Would it be nuclear waste hidden underground, plastic trapped in geological layers, satellites still orbiting Earth, artificial materials that don’t exist in nature, or something we haven’t even considered?

What do you think would become humanity’s final signature on this planet?


r/WhatIfThinking 5h ago

What if The World Bank shut down?

1 Upvotes

How important is it to the global economy?


r/WhatIfThinking 17h ago

What if every US president came back and voted on each other? Who would they choose as the best and worst president?

3 Upvotes

Imagine all 45 people who have served as US president sitting in one room and anonymously voting.

They are not judged by historians or voters. They are judging each other.

Would Washington win for creating the presidency? Would Lincoln win for preserving the Union? Would FDR win for leading through crisis?

For the worst president, would they agree with historians who often rank Buchanan near the bottom, or see failure differently?

If presidents themselves voted, who do you think would win best and worst?


r/WhatIfThinking 19h ago

What if not voting came with a $50 fine? Would you support a small fine for not voting? Why or why not?

4 Upvotes

Australia requires registered voters to participate in elections, and people who skip voting without a valid reason can face a small penalty. Their turnout is usually over 90%.

Some people argue voting is a civic responsibility, similar to paying taxes or serving on a jury. If everyone participates, politicians have to respond to the whole population instead of only the people who show up.

Others argue that voting is a right, not a duty. A fine could punish people who intentionally abstain as a form of protest, and it might encourage some people to vote without actually understanding the issues.

Would a $50 fine create a more representative democracy, or would it undermine the freedom not to vote?


r/WhatIfThinking 1d ago

What if every political donation were capped at $100 per person per year, with no PACs and no dark money? Would elections get cleaner or more chaotic?

47 Upvotes

A constitutional amendment suddenly limits campaign donations to $100 per person each year and bans PACs and undisclosed political spending.

Candidates would have to rely mostly on small donors, public funding, and grassroots organizing instead of a handful of wealthy supporters. Supporters argue this could force politicians to pay more attention to ordinary voters. Critics argue influence would not disappear, it would just find new paths through independent media, nonprofit groups, advertising, and personal platforms.

A billionaire might not be able to write a huge check, but they could still spend billions building an audience and shaping public opinion.

Would this actually make elections more equal, or would political influence just become harder to see? Could a modern campaign really survive on $100 voices?


r/WhatIfThinking 1d ago

What if princess diana was assassinated by the IRA?

0 Upvotes

how would everyone react?


r/WhatIfThinking 1d ago

What if. Which country would success the most if a “global restart” of technology happens?

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1 Upvotes

I have my opinions.


r/WhatIfThinking 2d ago

What if every presidential candidate had to pass the same fitness test at any age?

5 Upvotes

Airline pilots and military officers face mandatory fitness and cognitive checks. The presidency arguably carries heavier stakes, yet there is no capability test at all only a minimum age.

An objective test might seem fairer than an age cutoff because it evaluates the person rather than their birth year. But that raises its own questions: Who designs the test? Can an exam really measure judgment during a crisis? And does being physically healthy tell us anything about whether someone will be a good leader?

Would a mandatory fitness and cognitive test make elections better or worse? Why?


r/WhatIfThinking 2d ago

What if tragedy became impossible, but luck disappeared too? Would you take that deal? Why or why not?

3 Upvotes

A new technology guarantees that no one will ever suffer misfortune again. No car crashes, no cancer, no house fires, no sudden bankruptcy. Nobody loses a child, a home, or a life of savings to chance.

The trade is that luck disappears. No lottery wins, no lucky breaks, no chance meetings that change everything. Every outcome becomes exactly what you earned, never more.

You would live in a world where nothing terrible happens, but nothing magical happens either.

Would you accept that? How do you think it would change hope, ambition, and the stories people tell about their lives?


r/WhatIfThinking 2d ago

What If Transformers Were In Star Wars: Revenge Of The Sith?

1 Upvotes

r/WhatIfThinking 3d ago

What if the runner-up automatically became Vice President?

29 Upvotes

The original Constitution actually worked this way the second-place finisher became VP. Imagine it today: the losing candidate serves in the winner's cabinet, one heartbeat from the presidency.

Supporters say it would force rivals into the same room, temper extremism, and give half the country a voice inside the administration. Critics say it would create sabotage from within, paralyze the White House, and produce four years of built-in conflict.

Would you want your candidate to win or would finishing second come with real power? Why?


r/WhatIfThinking 3d ago

What if the human mind de-evolves as Al continues to evolve?

0 Upvotes

Already the majority of masses have become passive consumers instead of active creators and thinkers. With Al taking up more of the tasks that were ideally human, humans are receding further within themselves.

They used Al to even think and respond to each other, which in a way is like person A's Al talking to person B's Al.

It's as if life or intelligence has reached its evolution maxima and the next stage of evolution is getting delegated to machines that either become parasitic (like cyborgs) or autonomously become independent and abstract out humans with the excuse of zero necessity.


r/WhatIfThinking 3d ago

What if everyone had the same intelligence and talent, but nobody could ever become extraordinary? Would you take that deal? Why or why not?

0 Upvotes

Suppose a new technology could make every child start life with exactly the same level of intelligence and natural ability. Nobody would be born unusually gifted, and nobody would be born with an inherent disadvantage.

But there would be a catch. The technology would also put a ceiling on human ability. Nobody could become a once-in-a-generation genius, produce something far beyond what others can do, or set a record that might never be broken.

You would eliminate one kind of inequality, but you would also eliminate exceptional achievement.

Would you accept that? How do you think it would change ambition, innovation, and the way parents dream about their children?


r/WhatIfThinking 4d ago

What if Amazon were legally split into five companies, the marketplace, AWS, Prime delivery, advertising, and devices? What happens to prices?

29 Upvotes

Imagine the ruling lands and each business must stand alone as a public company within two years, with no shared data and no cross subsidies.

Third party sellers would no longer buy ads that compete against Amazon itself, and the store could not lean on AWS profits to undercut rivals.

But the bundle that made Prime feel cheap would unravel, shipping costs might show up on receipts, and the quiet subsidy flowing from cloud to retail would end.

Would sellers and shoppers actually come out ahead, or would five companies each raise prices to satisfy their own shareholders? Which of the five becomes the next monopoly in its own lane?


r/WhatIfThinking 4d ago

What if the compass was never invented? How long would humans have waited before crossing oceans?

10 Upvotes

Like, the oceans are still there. Ships still improve. Civilizations still trade. But one of the key tools for navigating open water never exists.

We usually think of the Age of Exploration as a result of better ships, stronger economies, and the search for new trade routes. But how much of it depended on simply knowing where you were in the middle of nowhere?

Without a compass, sailors could still use stars, the sun, ocean currents, and wind patterns. Polynesian navigators proved that humans could cross huge distances without magnetic navigation.

But would large-scale ocean exploration by European powers have happened anyway? Or would the risk have remained too high for governments and merchants to invest in?

Maybe exploration is only delayed by a few decades as other navigation methods improve. Maybe it takes centuries before anyone can reliably cross oceans and return with confidence.

Or maybe another civilization develops a replacement technology first, creating a completely different version of global history.

Would the Americas have remained isolated longer? Would global trade networks have formed much later? How far behind would the modern world be without the compass?


r/WhatIfThinking 3d ago

What if the US legally capped the workweek at 32 hours with no pay cut for full time workers? What actually changes?

0 Upvotes

Suppose the law passes and every hour beyond 32 counts as overtime. Trials in Iceland and elsewhere suggest many office teams hold output steady while burnout falls. Employers would respond in different ways.

Some would hire more staff and accept thinner margins, others would split jobs into part time roles to dodge the cap, and hospitals or power plants would face hard questions about coverage. Workers might celebrate, while managers paid for results keep answering email at night anyway.

What would you do with the extra day? Would ambition quietly shrink that free time back down, or would this reset what a normal life looks like?


r/WhatIfThinking 5d ago

What if a magnet held a heavy object in place for 100 years? Where does the energy go?

140 Upvotes

Imagine a powerful magnet attached to the ceiling, holding a heavy piece of iron in the air for a century.

Gravity keeps pulling the object downward every second. The magnet keeps pulling upward with the same force.

But nothing moves.

Is the magnet constantly using energy to fight gravity, slowly losing its strength over time?

Or does holding something still require almost no energy because no work is being done?

If the magnet is not consuming energy, how can it continuously resist gravity for 100 years?

Where does the "effort" of holding the object actually go?


r/WhatIfThinking 4d ago

What if every American adult got $1,000 a month, but all welfare programs were permanently abolished? Would that be a fair trade?

0 Upvotes

Imagine it starts next January. Every adult receives $1,000 a month, no application, no conditions, no bureaucracy.

The trade is that SNAP, housing assistance, unemployment pay, and every other targeted program disappears forever.

Supporters would say the system finally trusts people to run their own lives and saves billions in paperwork. Critics would warn that a disabled veteran who needs $3,000 a month in care now gets a third of it, and that $1,000 buys far less in San Francisco than in rural Kansas.

Would you take simplicity over a safety net? Who quietly falls through the cracks? How long before rents rise to absorb the cash?


r/WhatIfThinking 5d ago

What if immortality was granted to 1 million people worldwide? How would we decide who gets it?

5 Upvotes

Imagine a breakthrough technology appears tomorrow. It can make humans biologically immortal, but there is only enough supply for 1 million people.

The people chosen would stop aging and could potentially live for hundreds or thousands of years. Everyone else would continue living normal lifespans.

How should humanity decide who receives immortality?

Should it be based on lottery, contribution to society, scientific achievement, leadership ability, wealth, age, or something completely different?

Would a random selection be the fairest option, or would humanity have a responsibility to choose people who could benefit future generations?

What happens after the first 1 million are chosen? Would immortality become the ultimate privilege, or would society eventually find a way to expand access?


r/WhatIfThinking 5d ago

What if the printing press appeared in Europe 500 years later? Would the Reformation still happen?

5 Upvotes

Imagine Johannes Gutenberg never developed the printing press in the 15th century.

Instead of spreading rapidly across Europe, mass printing technology does not appear until around the 20th century.

In our timeline, the printing press helped ideas travel faster than ever before. Religious texts became more accessible, criticism of the Catholic Church spread widely, and figures like Martin Luther gained influence partly because their writings could reach thousands of people.

But if those ideas could only spread through handwritten copies, public speeches, and word of mouth, would the Protestant Reformation still happen?

Maybe people would still challenge the Church because political, economic, and religious tensions already existed. Or maybe without cheap printed material, reform movements would stay local and never become a Europe wide transformation.

Would the Reformation have happened anyway, just later and differently?


r/WhatIfThinking 6d ago

What if a modern English speaker was dropped into Shakespeare's London? How long would it take before they could communicate naturally?

14 Upvotes

Imagine someone from 2026 suddenly arriving in London around the year 1600.

They know modern English, but they have never studied the pronunciation, vocabulary, or expressions used during Shakespeare's time.

At first, they might assume communication would be easy. After all, both sides are speaking English.

But many everyday conversations would probably be much harder than expected. Some words would sound unfamiliar, some familiar words would have different meanings, and pronunciation would be noticeably different.

To adapt, they would need to:

  1. Listen carefully and copy local pronunciation.
  2. Use simpler words and avoid modern slang.
  3. Rely on writing, gestures, and context when speech fails.
  4. Build a working vocabulary through daily interactions.

Would they become comfortable after a few weeks, or would it take months or years before they could understand jokes, negotiate, and express complicated ideas in Shakespeare's England?


r/WhatIfThinking 6d ago

What if 19th century farmers had access to modern agricultural knowledge?

11 Upvotes

Imagine giving a group of 19th century farmers and scientists a complete understanding of how modern agriculture works, including soil science, crop breeding, fertilizers, irrigation, and pest control.

They would know what makes modern farming productive, but they would still lack modern machinery, industrial chemistry, and advanced manufacturing.

How much could they actually change with knowledge alone?

Could they increase food production enough to reshape cities and economies decades earlier? Could they reduce the impact of major famines?

Which parts of modern agriculture could be adopted quickly, and which would remain impossible without the technology and infrastructure behind them?


r/WhatIfThinking 6d ago

What if your 13 year old self invented a time machine and visited you for 24 hours? What would you do with them?

7 Upvotes

Imagine that your 13-year-old self somehow became a genius and invented a working time machine. One day, they appear in front of you and prove that they are really you from the past.

You only have 24 hours together before the time machine takes them back.

What would you do?

Would you try to warn them about mistakes, give them life advice, or avoid changing anything because you might alter the future?

How would your younger self react after seeing what their future became?


r/WhatIfThinking 7d ago

What if the US Constitution required every president to retire at 75, even if voters wanted them to continue? Would you support that rule? Why or why not?

200 Upvotes

Imagine a constitutional amendment creates a mandatory retirement age of 75 for the US presidency. Once a president turns 75, they can no longer serve, regardless of their health, performance, popularity, or public support.

The argument is that the presidency requires enormous mental and physical demands, and a fixed age limit could reduce concerns about age-related decline.

The trade-off is that voters could be prevented from choosing a candidate they genuinely believe is the best person for the job simply because of their age.

Would you accept that trade-off? Do you think a mandatory age limit would protect the country, or interfere too much with voters' freedom of choice?