The design of a “third eye for the blind,” which employs ultrasonic waves to detect surrounding obstructions and notify users with a buzzer sound or vibration, is made feasible by the collaboration of ...

Ultrasonic waveguide techniques are most familiar to monitor temperatures in the hostile environments. A single waveguide could be used as multiple sensors. In the present work, a thin strip waveguide ...

Scientists have warned that if an earthquake of magnitude 9 hits the region, a 100-foot mega tsunami would be generated, which would instantly wipe off almost eight feet of the coastline. The ...