After a major water leak flooded my home, I realized alerts alone weren’t sufficient—I needed automatic shutoff. This project combines a hacked Gröhe Guard system, an Arduino Nano, an ESP32, and the ...

Below, you’ll find a list of Baltimore Sun editorial staff, their email addresses and phone numbers. To give The Sun newsroom a general tip, email newstips@baltimoresun.com or call 410-332-6100. To ...

Tucson-area optics firm Geost has been supplying sensor systems for U.S. defense and intelligence satellites since its founding by a University of Arizona optics Ph.D. two decades ago. Now, Geost is ...

Installing a home security system no longer needs to be complicated or expensive. Thanks to advances in smart home technology, today’s systems are largely wireless, quick to install and can be managed ...

Abstract: In this paper, we present a compact and high-sensitivity sub-THz antenna sensor designed for non-contact permittivity measurement. Operating at a resonance frequency of approximately 116.7 ...