Abstract: This paper discusses on how to find the scheduling of production processes which involve a number of jobs, processes and machines so that time needed to finished all jobs is minimal. It is ...

Practice projectile motion with fully solved physics problem examples. This video walks through step-by-step solutions to help you understand equations, motion components, and problem-solving ...

US president boards another aircraft to continue trip to World Economic Forum in Davos, Switzerland The US president’s plane, Air Force One, has been forced to abort its flight to Switzerland and turn ...

President Donald Trump’s flight to the World Economic Forum in Switzerland was forced to return to the U.S. shortly after takeoff Tuesday, due to what the White House called a “minor electrical issue.

A United States Air Force VC-25A aircraft carrying President Donald Trump returned to Joint Base Andrews late on January 20, 2026, after what the White House described as a minor electrical issue was ...