1. Researchers Developing Wearable Power Source from Radio Waves:
- Scientists at the University of Massachusetts Amherst are working on a new technology that can convert radio waves into a power source for wearable devices.
- The team has developed a flexible, lightweight device that can harvest energy from ambient radio waves, such as those emitted by cell towers and Wi-Fi routers, and store it in a capacitor for use by wearable electronics.

2. Potential for Powering Wearables without Batteries:
- This technology could eliminate the need for batteries in many wearable devices, reducing their weight and size while providing a continuous power source.
- The researchers envision this technology being used to power a wide range of wearable electronics, from fitness trackers and smart watches to medical sensors and communication devices.

3. Challenges and Next Steps:
- One of the key challenges is increasing the efficiency of the energy harvesting process to generate enough power to support more energy-intensive wearable devices.
- The researchers are working to further optimize the design and materials used in the device to improve its power output and explore potential commercial applications for the technology.