People are definitely becoming more and more concerned about the environment, also more inventive. Looking for ways to save up energy, the staff of the Helsinki Sea Life Center aquarium in Finland, discovered they had a  totally free energy source living right in their fish tanks – electric eels.

“Our electrician built a device that uses four plastic-encased steel probes to capture the eel’s electrical discharge and feed it to the lights. At feeding time though, it really powers up. You can hear the voltage increasing and the lights shine bright and steady.” explains Markus Dernjatin – from the Helsinki Sea Life Center in Finland.

These deadly deep sea creatures can produce an amount of electrical energy sufficient to light up more than one Christmas tree – around 650 volts. At the same time, the high voltage is enough to kill a grown man…

via Austrian Times