Urschel involved the crowd in his explanation of linear systems. He used an example problem of finding the ages of two ...

Air Force trainees will learn how to operate permanent and forward airfields and defend them from enemy attacks.

The force will utilize the ranges with mock runways and real aircrafts for immersive training, with the first expected this October.

Editorial Note: We earn a commission from partner links on Forbes Advisor. Commissions do not affect our editors' opinions or evaluations. Disclaimer: Calculator results and default inputs are ...