It was by advertising for volunteer zombies on social networking site Facebook, borrowing make-up from Hollywood blockbusters and teaching himself how to produce special effects that thrifty director Price was able to make the film for less than the price of a zombie DVD box set.
An interview published last year in the Bulletin of Atomic Scientists detailed how at age 88, he was working on a new approach to photovoltaic thin-film production that he said would allow factories to make enough solar panels in a year to produce at least one gigawatt of electricity annually roughly the scale of a nuclear power plant at the price of coal.