The electric lamp is an invention that provides light for both working and leisure activities. Sometimes an electrical outlet is not present where electric light is needed.
Make Your Table Lamp Cords Disappear Like Magic - yes, battery powered table lamps and they are great looking too!
Most lamps come with short cords that not only ugly up your office, but don't always reach the wall without an equally ugly extension cord. Save yourself the mess by making your lamp cordless.