Wearable Solar Cell Systems

Smartwatch? Fitness tracker? Portable ECG? Smartphone? Posture monitor? Hearing aid? MP3 player? E-reader? Wireless headset? Hiking watch? Gaming headset? Sleep monitor? Laptop computer? Tablet?

Indeed, a dizzying array of portable and wearable electronic devices is available to the modern consumer. Not surprisingly, as the number of devices an individual chooses to wear or carry increases so does...