41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1965820
162705
2
Public Timelines
FAQ

feb 18, 1922 - Law of Conservation of Mass 1789

Description:

states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system's mass cannot change, so quantity cannot be added nor removed.

Added to timeline:

Date:

feb 18, 1922
Now
~ 104 years ago