It doesn't matter what others think. Write them down! Write down your goals and desires! [ back to top ] THE FIRE ELEMENT IF YOUR NATAL CHART IS FIRE STRONG The Fire signs are Aries, Leo and Sagittarius. Fire is a Yang or Masculine element, which expresses itself as potency, enthusiasm and spontaneity.
Photovoltaics (PV) is the name of a method of converting solar energy into direct current electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon commonly studied in physics, photochemistry and electrochemistry.hotovoltaics are best known as a method for generating electric power by using solar cells to convert energy from the sun into a flow of electrons. The photovoltaic effect refers to photons of light exciting electrons into a higher state of energy, allowing them to act as charge carriers for an electric current.
Definition of solar for Students. 1  1 : of or relating to the sun a solar eclipse. 2  2 : measured by the earth's course around the sun a solar year. 3  3 : produced or made to work by the action of the sun's light or heat solar energy.