Colin Perry

The Micron Scale: What It Is and Why It Matters

How Strong Is a Magnet and What Determines Its Strength?

How Much Force Is 1 g?

How a Submarine Works: From Buoyancy to Propulsion

Does Everyone Really See the Same Colors?

What Is Ice Melting? The Science of a Phase Change

Why Do Some Substances Expand When Freezing?

How Does Humidity Affect Evaporation?

How to Remove Static Electricity From Your Body and Home

How Many Gs Will Kill You? The Science Explained

How Fast Is Ultrasonic Sound and What Affects Its Speed?

Does Glass Move Over Time? The Science Explained

Does Blue Light Kill Bacteria? A Scientific Look

What Happens When You Add Salt to Ice?

Is Air a Matter? Explaining the Evidence and Science

Is Black All the Colors? The Science of Color Mixing

What Is a Lepton? The Six Members of the Lepton Family

Is Our Sun Green? The Science Behind Its True Color

Does Ultraviolet Light Pass Through Glass?

How Does Water’s High Specific Heat Affect Living Organisms?