Physics

Ionizing and Non-Ionizing Radiation — Learn the difference between ionizing and non-ionizing radiation. See the parts of the spectrum and risks for each type of radiation.

Difference Between Ionizing and Non-Ionizing Radiation Recently updated !

This entry was posted on April 14, 2021 by Anne Helmenstine (updated on April 14, 2021)

Vacuum Examples and Definition — Get the vacuum definition in science. See examples of a vacuum and learn ways to produce one in everyday life.

What Is a Vacuum in Science? Definition and Examples Recently updated !

This entry was posted on April 12, 2021 by Anne Helmenstine (updated on April 12, 2021)

Speed of Light — Get the values for the speed of light in different units. Learn whether anything can go faster than the speed of light.

What Is the Speed of Light? Recently updated !

This entry was posted on April 11, 2021 by Anne Helmenstine (updated on April 12, 2021)

Sources of Background Radiation — Learn about background radiation. Get the definition and find out about sources and risks associated with them.

What Is Background Radiation? Sources and Risks Recently updated !

This entry was posted on April 6, 2021 by Anne Helmenstine (updated on April 14, 2021)

Potential Energy Examples — Get the definition of potential energy. See potential energy examples in everyday life.

What Is Potential Energy? Potential Energy Examples

This entry was posted on March 27, 2021 by Anne Helmenstine (updated on March 27, 2021)

Kinetic Energy Examples — Get the definition of kinetic energy in physics. See examples of kinetic energy and learn how it's different from potential energy.

What Is Kinetic Energy? Kinetic Energy Examples

This entry was posted on March 25, 2021 by Anne Helmenstine (updated on March 27, 2021)