In this article, a metal crack sensor based on chipless radio frequency identification (RFID) technology is proposed. It is used to monitor the angle and width of cracks in the Internet of Things (IoT ...

This paper characterizes the design, implementation and employment of cashless and secure payment system in vending machine by using radio frequency identification technology, to improve the ...

A new AI experiment took a bizarre turn after it failed to make profit managing a vending machine and claimed to visit Homer Simpson’s house.

Conductive hydrogels are promising candidates for next-generation wearable electronics due to their flexibility, biocompatibility, and ion-conductive properties. However, achieving a balance among ...