Find a famous personFind the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 6,7.
Correct answers: 44
The first user who solved this task is Roxana zavari.
Edison patentIn 1902, Thomas A. Edison received a patent for a "Reversible Galvanic Battery" (U.S. No. 701,804). Such battery used insoluble active elements in an alkaline solution which remained unchanged during all conditions of use, such that a battery is made of great permanence and of remarkably light weight per unit of power. He had experimented and found nickel which he described as a suitable component for the battery.