Physical Science
Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
Brown Noise vs. White Noise: Which Is Best for Quality Sleep?
Can a sound wave kill you?
Can two cans and a string really be used to talk over a distance?
Understanding the Empirical Formula in Chemistry
The Most Expensive Metal in the World Isn't Gold or Platinum
Delta-8 vs. Delta-9: Comparing Types of THC
How Electricity Works
How Faraday Cages Work
How Gasoline Works
What do bugs have to do with forensic science?
5 Things You Didn't Know About Autopsies
Do a Person's Fingerprints Change After Death?
How Alchemy Paved the Way for Chemistry
How did Nikola Tesla change the way we use energy?
Time May Not Exist, Say Some Physicists and Philosophers
Why Does Ice Stick to Your Fingers?
What if I forgot to remove a piercing before an MRI?
A Kid-friendly Introduction to Magnets and Magnetism
Congruent Angles: Definition, Symbol and Key Theorems
Adjacent Angles: Types and Examples
What Is the Associative Property of Mathematics?
5 Hugely Fun Facts About Mass (Not Weight)
Antarctica's Spooky Cosmic Rays Might Shatter Physics As We Know It
Entropy: The Invisible Force That Brings Disorder to the Universe
The Demon Core: A Tale of Atomic Ambition and Tragic Fate
Half-Life Formula: Components and Applications
Could an 'X17 Particle' Hint at a Fifth Force in the Universe?
Why Are School Buses Yellow?
HowStuffWorks: How To Draw An Impossible Shape
What Are the Colors in the Visible Spectrum?
Learn More / Page 12
In 1999, Hisashi Ouchi, a Japanese nuclear fuel plant worker was exposed to critical levels of radiation. He suffered the worst radiation burns in history. He lived for 83 agonizing days afterward as his body all but disintegrated.
The answer to the question "Does time exist?" may seem obvious, but is it? And what if time doesn't exist, but is merely a human construct?
By Sam Baron
With a little patience, you can master this trick of converting binary code to decimals - and have fun doing it!
By Mark Mancini
Advertisement
Our fingerprints serve to definitively identify us forever, right? But do they? How long do fingerprints remain usable as identification after we are dead?
Autopsies have been around since ancient times, but they seem so shrouded in secrecy. What goes on when a corpse goes under the knife?
By Mark Mancini
The proposed collider would dwarf the existing Large Hadron Collider. But is the $22 billion price tag worth it?
Advertisement
What is white noise? There's a little more to it than the ambient noise you associate with a humming air conditioner or whirring fan.
Modern color theory got its start with, believe it or not, Sir Isaac Newton, who also discovered a little thing called gravity and invented calculus.
Mathematician Andrew Booker has found the three cubes that add up to the number 33, a long-unsolved math problem.
Borax, a popular addition to laundry detergents and slime recipes, is a natural ingredient that has been getting flack for possibly being harmful to children. But is this true?
By Alia Hoyt
Advertisement
Can you name even one female mathematician? Don't worry if you can't. That just means you need to read our article on five famous female mathematicians to up your cred.
By Dave Roos
You've heard of Google, but what about a Googol? If not, then this tutorial is for you.
By Mark Mancini
Spanish researchers recently uncovered a new geometric shape that allows human tissue to curve. But how?
By Robert Lamb
Developed in Israel, this foul-smelling liquid has been used on Palestinian and Israeli protesters - and it's showing up in the United States.
By Sarah Gleim
Advertisement
Thorium is in many ways safer than uranium for nuclear power production. But is it safe enough to bet on for our energy future?
The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.
By William Harris, Jennifer Walker-Journey & Austin Henderson
Thanks to our voracious appetite for energy, the element long linked with nuclear weapons is taking on a new role. Where does the hunt begin for uranium?
You probably have a bottle of the stuff at your house. Have you ever seen it come in any color bottle besides brown?
Advertisement
Something very strange is afoot above the frozen landscape of Antarctica.
DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.
By Dave Roos
You use solenoids every day without ever knowing it. So what exactly are they and how do they work?
By Mark Mancini
Scientists at the Lawrence Berkeley National Laboratory just made history with einsteinium. They held a sample of the short-lived element long enough to measure some of its chemical properties.
By Dave Roos
Advertisement
From soap to pharmaceutical products, glycerine has many applications.
You may remember from math class that a prime number is a number that can only be divided by 1 and itself. But why are they important anyway?