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Glass
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Coinage
The Arch
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Gunpowder
The Compass
Eyeglasses
The Mechanical Clock
The Printing Press
The Flushing Toilet
The Telescope
The Microscope
The Thermometer
The Steam Engine
Railways
Canned Food
The Stethoscope
The Bicycle
The Camera
The Friction Match
The Sewing Machine
The Refrigerator
The Lift
Barbed Wire
The Internal Combustion Engine
The Telephone
The Light Bulb
The Automobile
The X-Ray Machine
Aspirin
Radio
The Aeroplane
Plastic
Penicillin
The Ballpoint Pen
The Microwave Oven
Velcro
The Pill
The Personal Computer
The Global Positioning System
The Internet
The Smartphone