Alicia Oberholzer, of the University of Maine Office of Sustainability, visited the studio of WABI (Channel 5) to speak about free workshops where participants can build their own solar cellphone charger. The workshops will be held 5–8 p.m. March 22 and 28 in the Texas Instruments Analog Circuits Laboratory in Barrows Hall. The office has read more WABI previews free workshops to build solar cellphone charger