Is this supposed to be a true or false question?
Lots of things - your car has a engine that is used as a generator (your alternator). Cell phones that vibrate have a small electric motor with an uneven weight on the rotor which causes vibration ...
Hope this helps. :)
Crisis mapping tools gather information from sources such as e-mails, text messages, and tweets and make the information instantly and publicly available for use in emergencies. These tools analyze data at a time of crisis, e.g. disasters, social or political conflicts, to promote awareness and management for the public.