Six degrees of separation between things: what two inventions have in common
Pick any two things — even a toaster and a rocket. Evothings traces a route through real links between inventions, parts, materials and principles and explains every step.
Examples: what two things have in common
- Bicycle — Tank
- Jacquard loom — Computer
- Kick scooter — Bicycle
- Pocket watch — Electric car
- R-7 rocket — Plumbing
- Submarine — LIGO
- Internal combustion engine — Data centre
- Headphones — Payment card
- Camera — Radio
- Heat pump — Incandescent light bulb
- Aeroplane — Tank
- Personal computer — Atomic clock
- Submarine — Data centre
- Steam locomotive — Aeroplane
- Camera — Computer
- Electrical grid — Personal computer
- Fitness tracker — Car
- Tank — Pneumatic tube
- Radar — Smart meter
- Car — Smartphone
- Electronic calculator — Greenhouse
- Tank — Heat pump
- Internal combustion engine — Refrigerator
- Computer — Smart meter
- Parachute — Elevator
- Bicycle — Archimedes’ screw
- Camera — Personal computer
- Electrical grid — Smartphone
- Windlass — Bicycle
- Personal computer — Radio
- Atomic clock — Computer
- Internal combustion engine — Freezer
- Truck — Oil well
- Electric generator — Smartphone
- Tank — Laser
- Submarine — Car
- Data centre — Pneumatic tube
- Truck — Turbojet engine
- Multistage rocket — Plumbing
- Newcomen engine — Bellows
- Windlass — Car
- Plumbing — Liquid-propellant rocket engine
- Smart meter — Radio
- Laser — Submarine
- Data centre — Refrigerator
- Bicycle — Watt steam engine
- Tank — Oil well
- Oil well — Submarine
- Truck — Pneumatic tube
- Submarine — Smartphone
- Data centre — Turbojet engine
- Internal combustion engine — Sewage treatment plant
- Car — Telephone
- Truck — Heat pump
- Smart meter — Internet
- Radar — Smartphone