How to Make a Gymnastics Bar – Gymnastic apparatus costs money and needs to be housed, because it will not stand the weather. Gymnasiums are not always available for the...
DIY Projects - Awesome project ideas for everyone
What is a Solenoid?
Part of an electromagnet is called a solenoid. A solenoid is a coil of wire that has an electric current flowing through it. When an electric current flows through a...
The Invention of Photography – Video Photographic Processes Series by George Eastman House
The discovery of photographic processes has forever changed our understanding of time. For the first time in history we could see what our ancestors looked like. Watch this excellent Photographic...
How to make a Wooden Lock with Combination Key
Wooden Lock with Combination Key – The lock shown in the sketch and detailed drawings is made entirely of wood, and it is nearly impossible to pick or open it...
How to make Bow and Arrow – Traditional Archery DIY
How to make Bow and Arrow – Authorities claim that the best materials from which to make bows are mulberry, sassafras, Southern cedar, black locust, black walnut, apple, and slippery...
Aeroplane Model – How to Make Aeroplane Model
Model aeronautics has become nearly as popular as kite flying, and girls as well as boys have taken to building these unique air toys. The model aeroplane requires more work...
How is geothermal energy produced and how do we recover it? – 4 kids
Do you know what it is like at the center of the earth? It is very, very hot. The temperature is thought to be about 13,000 °F (7000 °C), which...
HOW DOES HYDROELECTRIC POWER WORK?
Did you know that a power station can produce electricity without burning coal or oil, and without using nuclear fuel? How? A power station can turn the potential energy of...
How to Make a Bell Tent – An Inexpensive Home-Made Tent
How to Make a Bell Tent – An Inexpensive Home-Made Tent – – – – – Excerpt from the book: THE BOY MECHANIC VOLUME I 700 THINGS FOR BOYS TO DO...
Measuring Amps – What is Measured in Amps?
Most electrical appliances have wires attached to them.The wires carry an electric current around a complete pathway called an electric circuit.Some appliances need more electric current than others before they...
Morris Chair Plans – How to build a Morris Chair
The stock necessary to make a morris chair of craftsman design as shown in the engraving can be purchased mill-planed and sandpapered on four sides as given in the following...
How Batteries Work?
A battery may have just one cell or more than one. Many flashlight batteries, have only one cell. Each cell is made up of three main parts. Do you know...