Technologies---- Scientific Principal(s)
1. Steam engine----- Laws of thermodynamics
2. Nuclear reactor---- Nuclear fission
3. Radio and television---- Propagation of electromagnetic waves
4. Computers ----Distal logic
5. Lasers ---- Light amplification by stimulated emission of radiation (population inversion)
6. Production of ultra-magnetic fields----- Superconductivity
7. Rocket propulsion----- Newton's law of motion
8. Electric generator------ Farday's Laws of electromagnetic induction
9. Hydroelectric power---- Conversion of gravitational potential energy into electric energy
10. Aeroplane---- Bernoull's principle in fluid dynamics
11. Particle accelerator---- Motion of charged articles in electromagnetic fields
12. Sonar---- Reflection of ultrasonic waves
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