Optical illusion in which the apparently greatly magnified shadow of an observer, when projected onto a surrounding mist, interferes with the observer’s depth perception.
Redirected to phenakistiscope.
Redirected to Brocken spectre.
Widely discredited theory of universal life energy developed by the Austrian psychiatrist Wilhelm Reich (1897–1957).
Redirected to orgone.
Redirected to phenakistoscope.
Optical toy producing the illusion of moving images, popular during the Victorian era.