Author

Dong-hyun Kim

Dong-hyun Kim is a staff writer at Biology Insights specializing in the physical sciences. Living in Las Cruces, New Mexico, he worked in editorial production for scientific journals before turning to full-time science reporting. He applies his academic background in physics to explain fundamental concepts such as atomic structure, radiation, and physical scale. Kim graduated from SUNY Oswego with a BS in physics.

What Is a Proton, Neutron, and Electron?Physics
What Does Helium Do to Your Voice? And Is It Safe?Physics
What Is the Charge of the Nucleus?Physics
How Many Ways to Shuffle a Deck of Cards vs Atoms Physics
Do Neutrons and Protons Have the Same Mass?Physics
What Did JJ Thomson Contribute to the Atomic Theory?Chemistry
Where Is Most of the Atom’s Mass Located?Physics
Does the Force of Gravity Increase With Mass?Physics
What Is the Charge of a Beta Particle?Physics
How Many Nanometers Is an Atom?Physics
How Many Calories Are in a Pound of Uranium?Physics
How to Draw Matter: Solids, Liquids, Gases & More Chemistry
What Are the 3 Properties of Matter?Physics
How Much Radiation Is in the Elephant’s Foot?Physics
Do Protons and Electrons Attract or Repel?Physics
What Atom Has No Charge? Explaining Atomic Neutrality Chemistry
Is an Atom the Smallest Particle?Physics
Does the Demon Core Still Exist? What Happened to It?Physics
How Big Is an Atom in Nanometers?Physics
What Does a Geiger Counter Measure?Physics
What Is the Particle Theory of Matter?Physics
What Is the Center of an Atom Called?Chemistry
What Is the Atomic Mass of a Neutron?Physics
What Is the Difference Between Chemistry and Physics?Physics
Can You Buy Antimatter? The Cost and Possibilities Physics
How Much Does an Electron Weigh?Physics
What Makes Up Most of the Volume of an Atom?Physics
What Is a Picocurie? A Unit of Radioactive Measurement Physics
What Subatomic Particle Determines the Identity of an Atom?Physics
What Are the Charges and Relative Masses of Subatomic Particles?Physics