The Internet has good stuff, but it is also full of unreliable information. Before you use a website for research, be sure you check out a few things:
For more information on evaluating information, Evaluating Information - Applying the CRAAP Test from Meriam Library at California State University, Chico.
Great search engines for finding science information on the Internet.
These web sites are designed to inspire and inform in a broad sense. For serious research materials in physics, look into the "Find Research Literature" tab on this LibGuide, as well as into the resources linked to by these sites.
The United States Department of Energy operates 16 national laboratories:
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