Figure 5: Demonstrations of the TMEG as a sustainable power source and heat recovery system.
From: Thermo-Magneto-Electric Generator Arrays for Active Heat Recovery System

(a) Photograph and (b) enlarged image of three commercial green LEDs driven by TMEG arrays. (c) Photograph of a hard magnet attached to the CPU inside desktop and measured temperature on the CPU. (d) Photograph of two commercial green LEDs driven by bimorph cantilever based TMEG. (e) Snapshots of TMEG attached to CPU inside desktop and (f) surface temperatures on CPU with TMEG and without TMEG.