Read more

HOW DOES WIND POWER WORK? The wind has been a source of energy for thousands of years. Before the development of the steam engine, most ships relied on wind power to fill their...
How to Make a Box Kite A simple method of constructing a box kite is given in detail as follows: The sticks should be made of straight grained wood, which may be either spr...
How to make a 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 without the use of the key...
Where does light come from? Shut your eyes tight—all you can see is darkness. Now open your eyes again. If it is daytime, you will see that light is all around you. What is Nat...
Close Menu