It’s much easier to move from physics to engineering.
It’s much easier to move from engineering to business.
It’s much easier to move from fresh to stale.
It’s much easier to move from clean to dirty.
It’s much easier to move from hot to ambient.
It’s much easier to move from painted to “needs paint.”
It’s much easier to move from thin to fat.
It’s much easier to move from low entropy to high entropy.
When I was a student at Purdue, one of the graffiti in the Engineering building was a formula that can be translated into English as: limit as GPA goes to zero of Engineer = Business.
It is easier to move from eating worms to a democrat socialist winning the Presidency. History says it happened in 2008 and 2012.