Perception as a source of knowledge

• Imperceptible atoms 


  Atoms which aren't perceptible (noticeable) by a sense or by the mind
• Corpuscle 


  A small particle or a living cell, especially a blood cell
• Verification 


  Make sure an argument is true
• Falsification 


  Considering why it's false
• Scepticism 


  Raising doubts about our claims to know, testing out knowledge claims
• Cartesianism 


  The philosophical & scientific traditions derived from the wrong of the French philosopher René Descartes (1596-1660)