Physical Science

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.

Learn More / Page 13

A new geometric shape called the "einstein" shape has been discovered and when you tile it, no repeating pattern emerges.

By Jesslyn Shields

Math is a language of symbols and equations and knowing the basic signposts is the first step in solving mathematical problems.

By Thomas Harlander

It's seeped into movies and popular culture, but what does "six degrees of separation" really mean? Are we really that connected to each other?

By Dave Roos


There are two different scales of measuring temperature on Earth, but they merge at just one very cold number.

By Jesslyn Shields

It looks completely impossible that this rock should stand, balanced as it is, but it has not moved since the last ice age.

By Jesslyn Shields

How large does a random group of people have to be for a 50 percent chance to exist that at least two of the people will share a birthday?

By Laurie L. Dove