Many different types of energy can be converted into heat energy. Light, electrical, mechanical, chemical, nuclear, sound and thermal energy itself can each cause a substance to heat up by increasing the speed of its molecules. So, put energy into a system and it heats up, take energy away and it cools.
Alexander Alex Robert Hirsch (born June 18, 1985) is the creator and former executive producer of the American animated television series, Gravity Falls. He voiced two of the main characters, Grunkle Stan and Soos. He also voiced supporting and recurring characters such as: Old Man McGucket, Bill Cipher, the gnomes and many others.
colman domingo as victor strand a smart and sophisticated businessman with a mysterious past recurring season 1 starring season 2 michelle ang as alex one of the few survivors of a plane crash who the los angeles group encounters in season 2 alex is introduced in the fear the walking dead flight 462 web series