LOS ANGELES (Reuters) - "Mad Mike" Hughes, a self-styled explorer and daredevil bent on proving that the earth is flat was killed over the weekend when his homemade rocket crashed in the California desert over the weekend. "Michael 'Mad Mike' Hughes tragically passed away today during an attempt to launch his homemade rocket," the Science Channel, which was planning to feature him on an upcoming series called "Homemade Astronauts," said on Twitter. A videotape of the incident, in which the rocket appears to fail shortly after take-off in the Mojave Desert outside Barstow, California, was posted to Twitter by Justin Chapman, a freelance journalist who was filming the launch.