Renewable energy Summary

Harnessing Solar Power and Earth's Renewable Energy Sources Overview In 1839 a young physicist experimenting with light discovered the photovoltaic effect, which would be exploited to create th... Read more

Renewable Energy Resources A renewable energy resource is one that can constantly be tapped because it replenishes itself. The search for viable renewable energy sources is a matter of growing urgency... Read more

Alternative Energy The very notion that some sources of energy make up alternative energy demonstrates the way people impute normative values to technologies. For decades, proponents of alternative en... Read more

Renewable Energy Renewable energy is energy that can be replenished on a time scale appropriate to human use. Solar energy for growing plants for food is renewable because light flows continuously fro... Read more

Aquires energy in the form of sunlight. All mechanical systems also require energy to function. A car needs gasoline to run. A sailboat needs wind to move across the water. Energy, in one form or anot... Read more