Traffic Lights
The Laser
The Pacemaker
Genetic Engineering
Electron Crystallography
Defibrillator
Stainless Steel
Thermite
Oral Contraception
Polio Vaccine
The Heimlich Maneuver
Cholera Vaccine
Water Chlorination
Plague Vaccine
Hepatitis B Vaccine
Nuclear Chain Reaction
Blue Jeans
Magnetic Information Storage
Lipstick
The Ballpoint Pen
Instant Coffee
Color Photography
The Remote Control
The Carburetor
Virtual Reality
LP Records
Sound Movies
Videotape
Color Television
Instant Photography
Holography
Nuclear Magnetic Resonance and Magnetic Resonance Imaging
Cheesecake
The Shopping Cart
Chemotherapy
Local Anesthesia
The Geosynchronous Communications Satellite
Aspirin
Benzodiazepine (Librium and Valium)
Prozac
Kidney Dialysis
Sonar and Sonargrams
The Hypodermic Needle
Optical Fibre Data Transmission
The Microphone
Radial Engine
The Microprocessor
Cell Phones
The VCR
Drip Irrigation
Model Electric Trains
The Pager
The Walkie-Talkie
Refrigerated Railroad Cars
Vacuum Tubes
Incandescent Lights
The Blimp
Tapered Roller Bearings
The Adding Machine
The Flexistraw
Scotchgard
Special Relativity
General Relativity
Alternating Current
The Telephone
Mercury Batteries
Gasoline and Kerosene Lamps