Colin Perry

When Is the Sky Pink? The Science Behind the Color

What Does a Flowmeter Do and How Does It Work?

What Is Epsilon 0 and Its Role in Electromagnetism?

How to Calculate Mass, Density, and Volume

What Is the Relationship Between Weight and Gravity?

What Is the Relationship Between Mass and Gravity?

What Is Halation and How Does It Affect Photography?

How Much Does a 55-Gallon Barrel of Water Weigh?

What Is the Relationship Between Energy and Frequency?

How Does Soundproof Foam Work to Absorb Sound?

What Is the Rainbow Order and Why Is It Always the Same?

Is a Cathode Negative or Positive?

How Are Electromagnetic Waves and Mechanical Waves Different?

How Much Wind Does It Take to Flip a Car?

How Hot Is a White Flame? Flame Color and Temperature

What Do Protons Decay Into? Theoretical and Experimental Evidence

What Is a Magnifying Glass and How Does It Work?

Can a Bullet Ricochet Off Water?

What Causes a Pendulum to Eventually Slow Down and Stop Swinging?

How to Measure Light: Units, Tools, and Practical Examples