dipity

Nist

Created by 19emmat on Mar 10, 2011

Last updated: 03/14/11 at 06:36 PM

• Dipity Timeline Created
  Mar 10, 2011 5:28 PM

• Detecting Radiation
  1908

  German-born physicist Hans Geiger invented a hand held machine used to detect radiation in the air.

• Kelvin scale
  Jul 1, 1824

  William Thomson a physicist made the Kelvin scale.

• Temperature
  1742

  Anders Celsius made measurement of temperature in 1742

• Pendulums
  1656

  Christian Huygens a dutch Physicist created Pendulumsin 1656

• Vacuums
  1643

  Evangelista Torricelli made vacuums

• Atlas map
  1569

  Gerardus Mercator created Atlas maps in 1569

• Sundials
  1200

  It was built for an Arab sultan

• Mechanical clock
  999 AD

  Gerbert a french man created a mechanical clock in 999