A Latvian researcher is investigating the properties of thermoelectric materials that can generate electricity from temperature differences. The researcher, Mauručaite, who has had a passion for physics since high school, is working at the University of Latvia's Central Physics Institute (LU CFI). Her research focuses on how thermoelectric generators can be developed to harness energy from everyday sources, such as human body heat, which could power smartwatches and medical devices without the need for changing batteries. Mauručaite has been recognized for her innovative work with the Ludwig and Mara Jansons Award in Physics from the Latvian Academy of Sciences. She aims to make thermoelectric materials more widely applicable, as their current usage is limited by high costs and a manufacturing process that is not yet optimized for mass production. At present, these generators are primarily used in remote locations where price is less of a concern, such as by NASA in specialized applications. The potential for these technologies to enter everyday life remains untapped, as advancements in their production could lead to portable devices that transform how we think about power supply. If successful, this could revolutionize personal electronics and medical equipment, paving the way for a future where batteries are no longer a necessity, aligning with sustainable energy initiatives.