How Does Light Travel?
Last Updated Mar 25, 2020 1:39:21 AM ET
Light travels in waves of frequency and as particles of matter. There are many types of light, of which the visible spectrum is a small part.
More From Reference
Is the Coronavirus Crisis Increasing America's Drug Overdoses?
Fact Check: What Power Does the President Really Have Over State Governors?
Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha
How Worried Should We Be About the Saharan Dust Cloud’s Arrival?
What Are a Tenant’s Rights During Eviction?
Has the Time Come to Abolish the Electoral College?