A radio-controlled flying witch travels across the ocean waters of Coronado, California October 7, 2014. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight past a moon setting into clouds along the pacific ocean in Carlsbad, California, October 8, 2014. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight through the sky in Carlsbad, California, October 8, 2014. Reuters was invited to photograph the testing of the life sized device by inventor Otto Dieffenbach lll. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight past a moon setting into clouds along the pacific ocean in Carlsbad, California October 8, 2014. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight through the sky in Carlsbad, California October 8, 2014. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight past a moon setting into clouds along the pacific ocean in Carlsbad, California October 8, 2014. (Photo by Mike Blake/Reuters)

A radio-controlled flying witch makes a test flight past a moon setting into clouds along the pacific ocean in Carlsbad, California October 8, 2014. (Photo by Mike Blake/Reuters)