Abstract: This paper presents a batteryless radio frequency identification motion sensor tag that integrates a passive infrared sensor, a radio frequency energy harvesting front end, and real-time ...

Abstract: To detect the width and direction of the metallic structural cracks, an octagonal chipless RFID sensor is designed. The design was simulated using HFSS at an analog frequency of 3 - 6ghz.

URC 2026 System Acceptance Review (SAR) White House stalls release of approved US science budgets. The US Congress rejected sweeping cuts to science agencies. But the NIH, the NSF and NASA have had ...

Forbes contributors publish independent expert analyses and insights. I write about retail and the forces that are redefining shopping. Radar is expanding its Radar + platform with AI merchandising ...

I've used my Flipper Zero to replace lost remotes, open security doors, and more. Here's how to get started with your new favorite hacking tool. I’ve been writing about technology since 2012, focusing ...