Purely Hypothetical

Purely Hypothetical

What if there were no hypothetical questions? Well... that's one.

Daily thought experiments, philosophical puzzles, and impossible scenarios explored in depth. One question at a time.

Latest Questions

What If a Supervolcano Erupted Under London?

What If a Supervolcano Erupted Under London?

• 7 min read • nature

The Thames boils. Parliament melts. Nine million people have about four minutes' warning. Britain's geography is rewritten in hours.

What If Nuclear Weapons Were Never Invented?

What If Nuclear Weapons Were Never Invented?

• 7 min read • history

The Trinity test anniversary marks the day physics became a weapon. Without it, the Cold War has no teeth and deterrence needs a new theory.

What If Everyone Could Fly?

What If Everyone Could Fly?

• 6 min read • fun

Air traffic control for eight billion people. Skyscraper windows become doors. Ground-floor flats become luxury because who wants to climb?

What If the World Ran Out of Fresh Water?

What If the World Ran Out of Fresh Water?

• 7 min read • survival

Desalination plants can't scale fast enough. Agriculture dies first, then cities. Water wars aren't science fiction — they're logistics.

What If Humans Had a Natural Wi-Fi Signal?

What If Humans Had a Natural Wi-Fi Signal?

• 6 min read • technology

Your brain becomes a hotspot. Crowded trains get blazing speeds. Hermits become useless. And hackers target people, not routers.

What If Renewable Energy Was Discovered in 1800?

What If Renewable Energy Was Discovered in 1800?

• 7 min read • history

No coal rush, no oil wars, no climate change — but also no industrial revolution as we know it. The trade-offs are staggering.

What If Your Shower Thoughts Appeared on a Billboard?

What If Your Shower Thoughts Appeared on a Billboard?

• 6 min read • fun

Commuters get a live feed of your existential crises and snack cravings. The advertising industry collapses under free content.

What If You Could Unlearn Things on Demand?

What If You Could Unlearn Things on Demand?

• 6 min read • philosophy

Spoilers vanish, heartbreak fades, and you can rewatch your favourite film for the first time — every Friday night.

What If the Earth Was Twice as Big?

What If the Earth Was Twice as Big?

• 7 min read • science

Gravity increases by 40%, planes struggle to fly, skyscrapers can't stand, and humans evolve short and stocky.

What If Money Didn't Exist?

What If Money Didn't Exist?

• 7 min read • society

Barter economies sound romantic until you need a dentist and all you have to trade is a sourdough starter and some poetry.

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