The current power reduction trend will continue as will the advances in battery tech. These combined efforts will soon eclipse product lifetime.
The energy harvesting window is closing faster than the technology is advancing. Once this tech arrives it may only find niche applications.
See article: Industrial Wireless Temperature Transmitter Powered by Heat:
ABB and Micropelt Prove Thermal Energy Harvesting to Solve the Battery Issue of Wireless Sensors
Edited by: ESD editorial staff: SRambo on Mar 15, 2010 10:57 AM
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.