On 10th April 1901, Dr. Duncan "om" MacDougall conducted an unusual experiment to prove that humans have soul. According to MacDougall if soul is consider as Matter & it is present in human body then it must have some mass. To calculate mass of soul Dr.MacDougall have to measure weight of human body before & after death.To measure accurate weight macdougall made a custom weight measure machine on which he kept dying patient & wait until patient die naturally without any external cause. He choose TB(tuberculosis)
patients as his test subject because of 2 major reasons:
- in 1901 cure TB was not known so patient dye naturally
- at the time of death TB patients die without any heavy movement of muscles or body, hence weight scale can not be disturbed & give more accurate reading.
