Evan Grant is speaking in a TEDtalk and he is talking about “Making Sound Visible through Cymatics .” The focus of his work is on public installations and he is a creative technologist. Grant said that his passions are exploring natural and finding data especially about sound.
Cymatics is process of visualizing sound by vibrating.He talks about Hans Jenny invention by taking sound and controlling sand pm a metal pole thing against a metal and that’s where the history of Cymatics really began.
By using vibrations you can control the sand and make it do different things. It is so cool too look at everything thing move things through the sound of vibration. They can make shapes and lights and cool things object just by playing a song.