"Is there a better way of showing a text message in a film? How about the internet? Even though we’re well into the digital age, film is still ineffective at depicting the world we live in. Maybe the solution lies not in content, but in form."
Scientists studying how floating particles move on the surface of water have come up with a way to pull them in, push them away or make them stay still. They can now precisely control objects by generating waves with specified frequency and amplitude.
"We have figured out a way of creating waves that can force a floating object to move against the direction of the wave," said physicist Horst Punzmann, who led the research. "No one could have guessed this result."