What is Sound Wave Reflection?

Remember the first time you discovered the whisper dishes? You can talk and hear to your friend far from you.

Our ancestor discovered this natural phenomena and used in their architecture designs. The design allow one person to do a speech, sing or perform an instrument to the large audiences.

The famous Sydney Opera House concert hall designed and improved by adding reflect panels to beam the sound accurately to the positions. You can find the full article about the details here.