Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
You Know White Noise, But What's Pink Noise and Brown Noise?
Skipping Stones on Ice Makes Crazy Sci-fi Sounds
Mystery Behind Cuba's Alleged Sonic Attack Deepens
Why Do Bubbles Pop?
What's the World's Strongest Superacid?
Cadmium: The Highly Toxic Metal That Powers the World
Static Electricity Can Cause Way More Than a Bad Hair Day
Light Pollution Is Stealing the Night
Party Trick Breakdown: Why Do Balloons Stick to Hair?
How Are Coroners and Medical Examiners Different?
Viking Warrior in Ancient Grave Was a Woman
5 Things You Didn't Know About Autopsies
Time May Not Exist, Say Some Physicists and Philosophers
How Alchemy Paved the Way for Chemistry
Who Was the First Scientist?
A Kid-friendly Introduction to Magnets and Magnetism
How Solenoids Work
Why Does Ice Stick to Your Fingers?
How to Convert Binary Into Decimal (and Vice Versa)
How to Easily Convert Degrees to Radians (and Radians to Degrees)
What's an Easy Way to Convert Meters to Feet?
Kummakivi, Finland's Balancing Rock, Seems to Defy the Laws of Physics
What Is Energy?
Could Newly Measured W Boson Break the Standard Model?
Hisashi Ouchi Suffered an 83-day Death By Radiation Poisoning
Could Thorium Power the Next Generation of Nuclear Reactors?
Radioactive! A Profile of the Element Plutonium
Is This Black Hole Coming for You? It's Just an Optical Illusion
Why Distant Mountains Appear Blue to the Naked Eye
Science Explains Why We Have Favorite Colors
Learn More / Page 14
Chemical formulas provide a concise explanation for reactions. In this article, we explain the formula for the reaction in a smoke detector.
When an airplane flies faster than the speed of sound, you hear a large booming sound. But how can something that seems so simple cause such a boom?
Scenario: A helium balloon is up against the ceiling one day, and the next day it's on the floor. Does the balloon fall because the helium leaks out, or because the helium molecules slow down due to decreased pressure?