TOK Essay

Last week the TOK essay titles were released by the IB. This week we began unpacking the question and started some great discussions that begin grade 12 student’s journey on this important core task.

New type of Sound waves were explored

Can you imagine sound traveling in the same way as light? A research team at the City University of Hong Kong (CityU) discovered a new type of sound wave: the airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does....