Emboldened by the work of the Fourteenth Amendment and by local political victories in the 1866 elections, the Republicans went on to introduce the Reconstruction Act of 1867. This removed the right to vote and seek office by leading rebels..
Compound Parabolic Concentrators (CPCs) are designed to efficiently collect and concentrate distant light sources. With acceptance angle options of 25Â° and 45Â°, our CPCs are able to accommodate a variety of light sources and configurations.his will allow Edmund OpticsÂ® to display the most accurate regionalized product, pricing, and contact information for the country to which you are shipping. You can change this selection at any time, but products in your cart, wish list, or quote may be removed if they are unavailable in the new shipping country.
What is a Parabolic Reflector. The parabola is special type of curve that has a focal point to which parallel beams of light will be reflected. The opposite is also true, a light source placed at the focus will create a parallel beam of light, as in a spotlight. A parabola is the shape of the path of a projectile fired into the air and allowed to fall again (assuming no friction from the air), or a stone that is thrown into the air. It is also the shape obtained if you were to cut a cone shape along a line parallel to it's side.