WELCOME TO SAS BLOG, WHERE WE WILL SHARE AND DISCUSS IMPORTANT INFORMATION AND LATEST NEWS RELATED TO ACOUSTICS AND NOISE IN SINGAPORE, SOMETIMES WORLDWIDE TOO!
Society of Acoustics (Singapore): Invitation for online AGM
We would like to welcome the following new members: Yong Kian Leong,Alex Champion, and Pitupong Sarapho of Geonoise to the Society of Acoustics(Singapore)(SAS).
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.
Moths draped in stealth acoustic cloak evade bat sonar
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.