February 18, 2013

Technology - Scientific principle(s)


Steam engine -Laws of thermodynamics

Nuclear reactor- Controlled nuclear fission

Radio and Television - Generation, propagation and detection of electromagnetic waves

Computers - Digital logic

Lasers Light amplification by stimulated emission of radiation

Production of ultra high magnetic fields - Superconductivity

Rocket propulsion - Newton’s laws of motion

Electric generator- Faraday’s laws of electromagnetic induction

Hydroelectric power- Conversion of gravitational potential energy into electrical energy

Aeroplane - Bernoulli’s principle in fluid dynamics

Particle accelerators - Motion of charged particles in electromagnetic fields

Sonar - Reflection of ultrasonic waves

Optical fibres - Total internal reflection of light

Non-reflecting coatings - Thin film optical interference

Electron microscope - Wave nature of electrons

Photocell- Photoelectric effect

Fusion test reactor (Tokamak)- Magnetic confinement of plasma

Giant Metrewave Radio Telescope (GMRT) - Detection of cosmic radio waves

Bose-Einstein condensate -Trapping and cooling of atoms by laser beams and magnetic fields.