- The heat death of the universe (also known as the Big Chill or Big Freeze) is a hypothesis on the ultimate fate of the universe, which suggests the universe will evolve to a state of no thermodynamic free energy, and will therefore be unable to sustain processes that increase entropy. Heat death does not imply any particular absolute temperature; it only requires that temperature differences or other processes may no longer be exploited to perform work. In the language of physics, this is when the universe reaches thermodynamic equilibrium. The Heat Death theory has become the leading theory in the modern age with the fewest unpredictable factors.
- Peter Karl Christoph von Keith (Wikipedia)
Peter Karl Christoph von Keith (24 May 1711 – 27 December 1756) was a Prussian statesman, military officer, and confidant of Crown Prince Frederick II, later known as Frederick the Great. Keith was of a branch of the Scottish Clan Keith, which granted him noble status, and was descendant from Scottish emigrants residing in Pomerania. Keith was initially introduced to the Prussian aristocracy by becoming a page to Frederick William I.