Understanding Kidney Stone Disease. Welcome. Stone disease is a painful and common condition that affects more than 5% of all adults in the US.1 Itâs estimated that nearly 2 million patients visit their doctors or local emergency rooms because of kidney stones every year.2. If youâve experienced a kidney stone, you know just how unpleasant a stone episode can be.
Active Solar Energy. Active solar energy technologies convert the energy of the sun into usable light and heat. An active solar system has the capacity to store energy for later use by storing it in batteries. An active solar energy system uses electrical or mechanical equipment or processes to increase the usable heat in a system.
Photovoltaic is the direct conversion of the solar energy into electricity. Photovoltaic. systems can be used to exploit the solar energy in almost all kinds of applications. Exploiting of solar energy. for domestic use is one avenue where the energy emitted from the sun is converted into electricity to power.