Philip Hogan

Why Do City Lights Twinkle Like Stars?

What Happens If a Grain of Sand Hits Earth at Light Speed?

Why Is There No Gravity in Space?

How Far Away Do You Have to Be to Survive a Nuclear Bomb?

What Is Photoelectric Absorption and How Does It Work?

Why Is the Sun Orange at Sunset?

Can Fire Be in Space? How Flames Behave Without Gravity

Can Too Much Helium Kill You? The Science of Asphyxiation

What Is Total Magnification and How Is It Calculated?

How Does Dust Collect and Settle on Surfaces?

What Is the Density of a Human & Why Does It Matter?

At What Depth Would a Human Be Crushed?

Is It Possible to Ignite the Atmosphere?

Can You See the Curvature of the Earth?

Is Cryogenic Freezing Actually Possible?

Is There Something Bigger Than the Universe?

How Were Gamma Rays Discovered and Named?

Is It Possible to Make a Real Lightsaber?

How Much Horsepower Does a Human Have?

Does Gravity Affect Time? The Science of Time Dilation