Physicists discover special transverse sound wave Can you imagine sound traveling in the same way as light does? A research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: The airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does. The findings… Read More »
Date and time of Zoom Seminar: 21 September 2021 from 4 pm to 5pm Singapore time or 3pm to 4 pm Indochina time. Zoom link: https://us02web.zoom.us/j/89185932880?pwd=MjlibW1UOFNoTVJ5UHRPcXZ2MlU3QT09 CV of speaker Name of speaker: Prof Kwanchanok Yimtae. CURRENT APPOINTMENT: Professor. Director, Academic Clinical Research Office (ACRO), Faculty of Medicine, Khon Kaen University. Chair, The Khon Kaen University… Read More »
Moths can hide from the sonar of feeding bats using their acoustically camouflaged wings. Their evolved stealth adaptation is the result of an array of scales attached to their wing membranes that absorb ultrasound frequencies emitted by hunting bats, and are the first acoustic metamaterials found in nature. A University of Bristol team discovered that sound waves… Read More »