Modern medical instrumentation: Timeline
Modern medical instrumentation: Timeline
- 1752 - Ben Franklin flew his first kite in the storm
- 1774 - John Walsh proved electricity passes through humans
- 1785 - Coulomb worked out the laws of attraction and repulsion between electrically charged bodies
- 1791 - Galvani published his findings on “animal electricity”
- 1800 - Volta built the first battery
- 1820 - Oersted discovered electromagnetism. Ampere measured the magnetic effect of an electric current.
- 1826 - Ohm formulated law of electrical resistance
- 1831 - Faraday and Henry found that a moving magnet would induce an electric current in a coil of wire
- 1860 - Maxwell worked out the mathematical equations for the laws of electricity and magnetism.
- 1886 - Hertz discovered electromagnetic waves
- 1895 - Roentgen discovered X-Rays
- 1897 - Thomson discovered electrons
- 1903 - Einthoven invents string galvanometer
- 1904 - Fleming invented the vacuum tube
- 1909 - Millikan measured the charge of the electron
- 1920s - Television was invented
- 1929 - Hans Berger recorded the first EEG
- 1935 - Amplifiers were used to record EEGs
- 1948 - The first large scale digital computer was built
- 1959 - First transistor-based computer was made
- 1960 - Chardock and Greatbatch created the first implantable pacemaker
- 1972 - First CAT machine was made. First microprocessor was used.
- 1981 - IBM introduced the first personal computer
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