Tomás A. Palacios Gutiérrez better known as Tomás Palacios is a Spanish–American Electrical & Microelectronics Engineer. He is best known for inventing a super-thin 'sheet' that can charge mobile phones with out electricity. Palacios holds the chair Clarence J. LeBel Professor of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology and director of Microsystems Technology Laboratories (MTL).