Most Impossible Ideas - Impossible Startup Ideas

Updated June 28, 2026

Uber for Time Travel: Would You Visit Yesterday or Destroy the Universe?

Imagine opening an app, choosing a year, selecting a place, and booking a trip to another time. Want to walk through ancient Egypt? Book it. Want to see your city 100 years ago? Book...

50 years 100 years 1000 years Impossible / never

9

No comments

When could it happen? Open idea

Updated June 29, 2026

Teleport Delivery: Pizza at Your Door Before the Oven Cools Down

Food delivery keeps getting faster, but this idea removes the road completely. You order pizza, the restaurant makes it, and instead of a rider, drone, or robot, the food appears at your home almost...

100 years 1000 years Impossible / never

7

1 comment

When could it happen? Open idea

Updated June 29, 2026

Tinder for Ghosts: Dating After Death, Powered by AI Memories

Imagine a dating app where dead people continue as AI personalities built from old messages, photos, voice notes, and stories. It sounds absurd, but it points to a real future question: what happens when...

100 years 1000 years Impossible / never

4

No comments

When could it happen? Open idea

Updated June 28, 2026

Rent a Rain Cloud: The Farming Startup That Delivers Rain on Demand

Imagine a farmer opening an app and requesting rain for a dry field. Not just a forecast. Not just advice. A service that helps bring water to the right place at the right time....

1–2 years 5 years 10 years 50 years 100 years 1000 years Impossible / never

8

No comments

When could it happen? Open idea

Updated June 29, 2026

Airbnb on Mars: Book Your First Weekend on the Red Planet

Imagine browsing stays by crater view, oxygen level, radiation shielding, and distance to the nearest Mars base. Airbnb on Mars sounds impossible today, but the idea is simple: if humans build a real economy...

10 years 50 years 100 years 1000 years

6

No comments

When could it happen? Open idea

Updated June 29, 2026

Netflix for Dreams: Replay Last Night’s Dream Like a Movie

Most dreams disappear minutes after waking up. This idea turns them into something you can replay. You wake up, open an app, and see a rough movie of what your brain experienced during the...

1–2 years 5 years 10 years 50 years 100 years 1000 years Impossible / never

7

No comments

When could it happen? Open idea

Updated June 29, 2026

A Vaccine Against Getting Fat: Could Metabolism Become Programmable?

This idea asks a dangerous but fascinating question: what if metabolism could be adjusted as precisely as software settings? A future medical product might help the body regulate appetite, energy storage, fat use, and...

5 years 10 years 50 years 100 years 1000 years Impossible / never

6

1 comment

When could it happen? Open idea

Updated June 29, 2026

Memory Backup: Save Your Best Moments Before Your Brain Forgets Them

Photos show what a moment looked like. Videos show what happened. This idea tries to preserve more: the place, the voices, the story, the emotions, and the details that normally fade over time. Imagine...

10 years 50 years 100 years 1000 years Impossible / never

7

No comments

When could it happen? Open idea

Updated June 29, 2026

Robot Nanny: A Childcare Machine Parents Would Trust With Their Kids

This is not just a talking toy. A robot nanny would help watch children, teach small lessons, play games, follow routines, detect risks, and alert parents when something is wrong. The serious version is...

10 years 50 years 100 years 1000 years Impossible / never

5

No comments

When could it happen? Open idea

Updated June 29, 2026

A Home Battery That Runs Your House for One Year Without Charging

Imagine charging a home battery once and running your house for a full year. No power cuts. No generator noise. No fuel problem. No fear when the grid becomes unstable. For homes, small businesses,...

10 years 50 years 100 years

5

No comments

When could it happen? Open idea