Philip Hogan

Does Terminal Velocity Change With Mass?

What Is the Relationship Between Mass and Weight?

What Breaks the Sound Barrier and What Happens?

What Are Bosons and What Do They Do?

Does a Sonic Boom Only Happen Once?

Is There One Universe or Are There Others?

Does Metal Fuse in Space? The Science of Cold Welding

What Is the Relationship Between Mass, Weight, and Gravity?

How Does the Doppler Effect Support the Big Bang?

Does Gravity Change With Altitude?

Why Is Gravity So Weak Compared to Other Forces?

How Many G’s Does It Take to Kill a Human?

Can You Slow Down Time? The Science of Time Dilation

How to Use a Sextant for Navigation and Plot Your Position

What Is an Astrolabe and How Does It Work?

How Do Submarines Make Oxygen and Remove CO2?

What Happens to Light in a Black Hole?

How Does Gravity Pull Things Down to Earth?

Can Plasma Change Shape and Volume?

How Does a Rocket Engine Work?