Curlie

Scientific instruments and supplies used to do physics research and/or labs.

Materials or gadgets which can be bought at a general store probably do not belong in this category.

Let the title of your site have either the name of the company OR the name of the material or instrument in question. In the description please describe how the site''s product is used in physics.

Educational

Companies or products found in this category target high schools and colleges, or collectively the 'educational' market. Typically a school has a 'lab equipment budget' of sorts, and the money is often spent on the products or companies listed here.