Abstract: This article proposes a nondestructive multichannel sensor for liquid-level detection based on spoof surface plasmon polaritons (SSPPs). A mathematical model for liquid-level sensing is ...

The water in the Ganga at Triveni Sangam, the river's meeting point with the Yamuna and the holy Saraswati rivers in Uttar Pradesh's Prayagraj, is currently ‘unsafe' for bathing, as it exceeds the ...

The seasonal decline in the Great Lakes’ water levels is in full force. Here’s how your favorite Great Lake is reacting to the colder, less moisture time of year. From November to December, all of the ...