Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...

One of the many awesome things about physics is you can study it anywhere. I’ll prove it with a fun problem that involves a cart and a ball. Not just any cart, but a cart that rolls along a table and ...

The Office of Naval Research is getting ready to deploy their electromagnetic Railgun for testing for the first time next year. But what is a gun without ammo? The Hyper Velocity Projectile is being ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Guided-missile destroyer Lyndon B. Johnson (DDG-1002) is made ready before flooding of the dry dock at General Dynamic-Bath Iron Works shipyard. US Navy Photo ARLINGTON, Va. – The Navy is still ...

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I wish Angry Birds had been around when I was teaching high school physics. Please don’t think of the game as a hate crime against hogs, or an avian anger management program—instead, think of it as a ...

The United States Navy reportedly tested an advanced long-range artillery round from a destroyer at last summer’s Rim of the Pacific exercise. Defense officials told USNI News that the USS Dewey fired ...