Infrared certainly has its uses, but if you’re trying to locate objects, ultrasonic detection is far superior. It’s contact-less, undetectable to the human ear, and it isn’t affected by smoke, dust, ...

We are currently in the process of putting in a backyard pool. This is an in-ground gunite pool. I inquired about an auto-fill system from the pool builder but he talked me out of it. He explained ...

Thiruvananthapuram: During monsoons and drought seasons, Kerala water authority (KWA) officials have to make calls to Peppara and Aruvikkara to get updates about dam level. And in areas like Peppara, ...