Glow sticks are widely used for different purposes all over the world. Especially in military they are of immense use. Many departments in the military are using them. Less weight, small size, single source of energy, non fire producing factor made them so helpful in many rescue operations. Many of us are not aware of… Read More »
Barrels are nothing but cylindrical containers which are made up of either wood, plastic, or stainless steel. These containers have a convex shape which are bound with iron or wooden hoops. Traditional barrels were made of wood and had an bulging shape at the middle. This structure of barrel makes it easy to roll and… Read More »
Submersible fishing lights are used under water, to attract fish. These waterproof fishing lights can be submerged to the depth of the water. There are few instructions to build the submersible fishing lights, such as: First take an empty 2 ltr bottle and put nuts and bolts into it until it sinks in water. Later… Read More »
Colors that can be combined to make a wide range of colors are called Primary colors. Humans generally consider three colors as primary because human color vision is trichromatic. Which means a human eye has only three types of color receptors generally called as cone cells. Each cone cell senses different ranges of color spectrum.… Read More »
