Toward the end of his life, Tesla worked obsessively on the concept of free energy.
In 1901, he patented a free energy receiver called the Radiant Energy Apparatus. The patent applies to the sun, as well as other sources of radiant energy, such as cosmic rays.
Like her sister Aloysia, Constance Weber was a singer.
Her marriage to Mozart lasted nine years, and during her marriage, Constance gave birth to six children, of whom only two sons, Franz Xaver Wolfgang and Karl Thomas, survived.
