How far away are we?
The futures people talk about, measured against the evidence. Each page breaks the journey into steps, shows which ones have actually been completed, and lists who has made forecasts and when.
Scaling up
Nearly here. It works and is being scaled up.
A complete map of the world's seabed
Scaling up · 2 of 6 steps done

An internet protected against quantum attacks
Scaling up · 3 of 8 steps done

Biochar as mainstream carbon removal
Scaling up · 2 of 7 steps done

Brain implants that stop seizures before they spread
Scaling up · 5 of 8 steps done

Cheap lidar in every car
Scaling up · 5 of 9 steps done

Crops that keep yielding in drought
Scaling up · 3 of 7 steps done

Metal 3D printing as a mass-production method
Scaling up · 3 of 7 steps done

Most software written by AI
Scaling up · 1 of 6 steps done
Pilots
Close. Early pilots are running in the real world.
3D-printed homes as a normal way to build
Pilots · 4 of 7 steps done

A full digital twin of the Earth
Pilots · 2 of 8 steps done

AI agents doing everyday computer work
Pilots · 2 of 8 steps done

AI weather forecasts replacing physics-based models
Pilots · 4 of 7 steps done

AI-designed medicines reaching patients
Pilots · 5 of 8 steps done

An AI tutor for every student
Pilots · 2 of 6 steps done

Artificial limbs that move and feel like real ones
Pilots · 7 of 10 steps done

Better deep sleep on demand
Pilots · 9 of 12 steps done

Brain data protected by law
Pilots · 5 of 9 steps done

Brain-computer interfaces for everyday use
Pilots · 4 of 8 steps done

Bridge sensors that flag possible damage
Pilots · 3 of 5 steps done

Buildings cooled without using power
Pilots · 1 of 6 steps done

Buildings that lock away carbon
Pilots · 2 of 6 steps done

Cameras that see like eyes
Pilots · 7 of 10 steps done

Cheap multi-day energy storage for renewables
Pilots · 2 of 7 steps done

Chips made with the next generation of EUV machines
Pilots · 5 of 9 steps done

Clothes that monitor your health
Pilots · 4 of 8 steps done

Computer chips designed mostly by AI
Pilots · 2 of 6 steps done

Computer chips that work like brains
Pilots · 4 of 8 steps done

Crops picked by robots instead of people
Pilots · 3 of 8 steps done

Cultivated meat at supermarket prices
Pilots · 1 of 6 steps done

Curing inherited diseases with a single gene-editing treatment
Pilots · 4 of 9 steps done

Cutting cattle methane with seaweed feed
Pilots · 2 of 7 steps done

Drone deliveries as an everyday service
Pilots · 1 of 6 steps done

Electric cars that power the grid
Pilots · 2 of 9 steps done

Every farm animal monitored by sensors
Pilots · 3 of 8 steps done

Factories heated by stored renewable heat
Pilots · 3 of 8 steps done

Factories that run without people
Pilots · 3 of 5 steps done

Farming with far fewer chemical pesticides
Pilots · 4 of 8 steps done

Farming without synthetic fertiliser
Pilots · 2 of 6 steps done

Farmland that pulls CO2 out of the air with crushed rock
Pilots · 3 of 7 steps done

Finding every methane leak from space
Pilots · 3 of 7 steps done

Flying taxis in cities
Pilots · 3 of 7 steps done

Food made from air and electricity
Pilots · 4 of 8 steps done

Geothermal power almost anywhere
Pilots · 3 of 9 steps done

Grid batteries that last for days
Pilots · 2 of 8 steps done

Indoor vertical farms competing on price with field crops
Pilots · 5 of 7 steps done

Insects as everyday food and animal feed
Pilots · 4 of 8 steps done

Internet cables that carry light through air
Pilots · 2 of 6 steps done

Lab-grown and animal organs for transplant
Pilots · 3 of 8 steps done

Laser internet between space and the ground
Pilots · 5 of 7 steps done

Meat from gene-edited animals in supermarkets
Pilots · 2 of 7 steps done

Medical implants that change shape inside the body
Pilots · 3 of 5 steps done

MicroLED screens in everyday devices
Pilots · 1 of 5 steps done

Most fish farmed on land
Pilots · 1 of 6 steps done

Ordinary phones connected by satellite everywhere
Pilots · 4 of 9 steps done

Perovskite solar panels on everyday roofs
Pilots · 3 of 7 steps done

Power cables with zero resistance
Pilots · 4 of 7 steps done

Power from ocean temperature differences
Pilots · 2 of 7 steps done

Printing features smaller than a cell
Pilots · 4 of 8 steps done

Products that heal their own cracks
Pilots · 5 of 8 steps done

Removing a billion tonnes of CO2 a year
Pilots · 3 of 8 steps done

Removing carbon with the ocean
Pilots · 5 of 9 steps done

Replacing animal testing with lab-grown human tissue
Pilots · 4 of 7 steps done

Restoring hearing to deaf children with gene therapy
Pilots · 4 of 8 steps done

Restoring sight to blind people
Pilots · 4 of 8 steps done

Roads that charge cars as they drive
Pilots · 4 of 8 steps done

Robot dogs inspecting industrial sites
Pilots · 4 of 9 steps done

Robots that can pick any item in a warehouse
Pilots · 3 of 8 steps done

Screening for many cancers with one blood test
Pilots · 6 of 9 steps done

Self-driving cars on every road
Pilots · 2 of 7 steps done

Soft suits that make walking easier
Pilots · 4 of 8 steps done

Space holidays for ordinary people
Pilots · 2 of 6 steps done

Tracking wildlife from DNA in water and air
Pilots · 1 of 5 steps done

Treating illness through the vagus nerve
Pilots · 6 of 8 steps done

Treating severe depression in days with brain stimulation
Pilots · 7 of 9 steps done
Engineering prototypes
Getting closer. Prototypes exist, but not in real-world use.
A permanent base on the Moon
Engineering prototypes · 2 of 6 steps done

A quantum internet
Engineering prototypes · 4 of 7 steps done

Bacteria engineered as living medicines
Engineering prototypes · 5 of 7 steps done

Battery-electric passenger flights
Engineering prototypes · 5 of 8 steps done

Checking blood sugar without needles
Engineering prototypes · 2 of 5 steps done

Clearing dead satellites and space junk from orbit
Engineering prototypes · 2 of 5 steps done

Computer chips built from atom-thin materials
Engineering prototypes · 2 of 7 steps done

Computers built from mix-and-match chiplets
Engineering prototypes · 4 of 7 steps done

Computers that calculate with light in data centres
Engineering prototypes · 5 of 8 steps done

Cooling without climate-warming refrigerants
Engineering prototypes · 4 of 7 steps done

Data centres in orbit
Engineering prototypes · 2 of 7 steps done

Deflecting an asteroid headed for Earth
Engineering prototypes · 4 of 9 steps done

Drinking water pulled from dry air
Engineering prototypes · 4 of 8 steps done

Electricity from living plants
Engineering prototypes · 4 of 7 steps done

Electricity from waste heat
Engineering prototypes · 4 of 8 steps done

Flying to work in a jet suit
Engineering prototypes · 3 of 7 steps done

Giving people back their voice with brain implants
Engineering prototypes · 4 of 6 steps done

Humanoid robots in the home
Engineering prototypes · 4 of 9 steps done

Humans back on the Moon
Engineering prototypes · 1 of 7 steps done

Humans landing on Mars
Engineering prototypes · 2 of 7 steps done

Lab-grown blood for routine transfusions
Engineering prototypes · 4 of 9 steps done

Life after the International Space Station
Engineering prototypes · 3 of 12 steps done

Making fuel from sunlight like a leaf
Engineering prototypes · 5 of 8 steps done

Making things in orbit that can't be made on Earth
Engineering prototypes · 3 of 6 steps done

Materials that grow and repair themselves
Engineering prototypes · 4 of 8 steps done

Medical implants that need no battery
Engineering prototypes · 6 of 10 steps done

Medicines and machines built from folded DNA
Engineering prototypes · 4 of 7 steps done

Mining water and oxygen on the Moon
Engineering prototypes · 3 of 7 steps done

Moving objects with sound
Engineering prototypes · 6 of 10 steps done

Navigating without GPS using quantum sensors
Engineering prototypes · 5 of 8 steps done

Quantum computers that can break today's encryption
Engineering prototypes · 3 of 8 steps done

Real hoverboards
Engineering prototypes · 3 of 8 steps done

Redefining the second with optical clocks
Engineering prototypes · 4 of 10 steps done

Robot surgeons that operate on their own
Engineering prototypes · 3 of 7 steps done

Robot swarms doing real work
Engineering prototypes · 5 of 8 steps done

Robots as thin as paper
Engineering prototypes · 3 of 6 steps done

Storing quantum information long enough for a quantum internet
Engineering prototypes · 5 of 7 steps done

Storing the world's archives in DNA
Engineering prototypes · 4 of 7 steps done

Supersonic passenger flights returning
Engineering prototypes · 2 of 8 steps done

Travelling by hyperloop
Engineering prototypes · 2 of 7 steps done

Ultrasound scanners you wear like a plaster
Engineering prototypes · 4 of 7 steps done

Walking again after spinal cord injury
Engineering prototypes · 4 of 6 steps done

Windows and panels made of transparent wood
Engineering prototypes · 3 of 9 steps done
Science demonstrated
Far away. The science works, but nobody has built a working system yet.
A probe to another star
Science demonstrated · 1 of 8 steps done

AI that makes its own scientific discoveries
Science demonstrated · 4 of 6 steps done

Bringing asteroid rock back to Earth
Science demonstrated · 3 of 5 steps done

Cars and planes whose body is the battery
Science demonstrated · 2 of 6 steps done

Fighting malaria with gene drive mosquitoes
Science demonstrated · 5 of 10 steps done

Floating cities
Science demonstrated · 3 of 8 steps done

Fusion power on the grid
Science demonstrated · 2 of 7 steps done

Hypersonic passenger flights
Science demonstrated · 4 of 7 steps done

Living in a spinning space habitat
Science demonstrated · 2 of 7 steps done

Quantum computers solving useful chemistry problems
Science demonstrated · 3 of 7 steps done

Quantum machines beating supercomputers on real problems
Science demonstrated · 5 of 7 steps done

Time travel
Science demonstrated · 4 of 8 steps done
Science unproven
Very far away. The basic science has not been shown to work.
A self-sustaining settlement on Mars
Science unproven · 3 of 9 steps done

A space elevator
Science unproven · 2 of 9 steps done

Cooling the planet on purpose
Science unproven · 2 of 8 steps done

Reviving people frozen after death
Science unproven · 4 of 9 steps done

Room-temperature superconductors
Science unproven · 1 of 7 steps done

Terraforming Mars
Science unproven · 4 of 13 steps done

Travelling faster than light
Science unproven · 4 of 6 steps done
Why no countdown clocks?
We don’t make our own predictions. Distance is shown by which steps have demonstrably been completed. Where a government, company or expert survey has published a forecast, we quote it with who made it and when.