Nearly everyone has enjoyed playing with soap bubbles. These fragile spheres of soap film filled with air are both beautiful and captivating. However, few people have observed them closely or at length, because soap bubbles are fragile and very light. When you blow soap bubbles out of doors, the slightest breeze carries them away. If you blow them indoors in still air, the bubbles soon settle onto a surface and break. However, because they are very light, soap bubbles will float on a gas that is only slightly more dense than the air that fills them. Such a gas is carbon dioxide. When soap bubbles settle into a container of carbon dioxide, the bubbles float on the carbon dioxide and can be examined closely. Under this close examination, soap bubbles reveal many properties that are not otherwise easily seen.

A great science project and science experiment for kids to learn PH

From the University of Wisconsin, here is a great science experiment for kids that can be done with simple household items. Basically, just print this out and write in the answers. By the time you finish you will have a better understanding of Acids, ph and the color changes involved.

Tags: Famous Inventors | inventions | Thomas Edison | Westinghouse

During the Infancy of the Electrical years there were two inventors with two systems of Electrical current. Thomas Edison with his Direct Current (DC) model and Tesla with his Alternating Current(AC) model.

The war of the currents was fought and the AC system of Tesla and George Westinghouse was the winner . The battle, however, was just as charged as the power lines. Both systems had their pro and con arguments. The battle of the currents was fought on the field of public opinion and propoganda was used by both sides as ammo.

Edison is one of the worlds best known inventors and with over 1000 patents credited to him it's easy to see why.

Sure you have heard this Famous Edison Quote

Genius is one per cent inspiration and ninety-nine percent perspiration.

Here are a few more Quotes from Thomas Edison