North America News - .geographical media - RSSSyndicated content powered by .geographical mediaRSS syndication makes it easy to receive content updates in My Yahoo!, Newsgator, Bloglines, and other news readers. |
Current Feed ContentHarnessing The Suns EnergySolar power technologies, the harnessing of the renewable energy of the sun for our electrical power, include the use of either photovoltaics or implementation of passive solar heating. Lets take a look at each. Photovoltaics PV for solar power are solar cells whose purpose is to convert the light from the sun directly into electricity. These Photovoltaic cells are made of materials that have semi conductive properties. In their simplest forms these solar power cells energize...The History Of Wind Generated PowerWith the increased costs of energy derived from fossil fuels, many consumers are interested in alternative sources of energy. Unfortunately the market trend tells us that little to no relief in oil prices is in sight. A great source of power can be harnessed from the wind using electricity generating windmills. Below is a brief history of wind power, and how it came to be. Wind power has been harnessed for many, many years. Nobody knows for sure when man started using the wind's power to grind...Shake Lights - Fake or Not?The Truth About Shake Lights or Shake Flashlights. There Are Two Types On The Market Today. Read more below: (Type 1) Non-Rechargeable Shake Lights w/Lithium Batteries and LED Bulbs: The Type 1 Shake Lights are actually not rechargeable and run on two lithium batteries. If you know about lithium batteries, they last for years and are used on such items as lawn sprinklers, smoke alarms and cameras to ensure years of backup power. But the truth is the shake and... |