There are always been an argument going on between science and common man regarding the existence of paranormal activities. People have always been facing some kind of strange activities in their lives which is called as paranormal activities though we do not have any scientific proofs for them till date.
There are many instruments been found out to detect the activities of ghosts and paranormal activities and these instruments are used by professional paranormal activist or ghost detectors to detect ghosts. There are many scary incidences in the world related to ghosts and people have has even life threatening experiences with ghost. For all those people ghost detectors came as saviors to help them.
A ghost detector is a professional who has had education in this field. They are people who exactly believe and lives exactly like all of us it is just that they have taken this as their profession. There are many institutes that teach to detect paranormal activities and there are many people who are going into this field. You can get their details from online and get in touch with them if you doubt of having any abnormal activities at your house or work place. A ghost hunter will come and clear all your doubts.