What is the level of sound frequency (Hz/s) that can cause hallucinations and ghostly
sensations?
Which area of brain overstimulation can cause experiences of ghost encounters and
other paranormal phenomena?
Which of the following cannot be printed three-dimensionally?
(a) Pork chop
(b) Milk
(c) Salmon fillet
Send your name and answers with JPC membership number and district to: PPRB, 11/F Arsenal House, Police Headquarters, 1 Arsenal Street, Wan Chai, or to any district JPC Clubhouse no later than 18 November 2012. Fax submissions can also be made at 2200 4304.