 |
| Source : Youtube.com |
Tractor Beam has been a science fiction until certain time. It was the feeling that they are like a hypothetical beam of energy which can be used to move objects or levitate.
But recent research has shown that
sound waves can levitate ( suspend particles) object of different shape,size
and material through water,air and tissue. This invention help us to manipulate
cells, body fluids, liquids, compounds of different parts without touching or contaminating
them. Accessing some of the parts by physical touch can lead to infections. By
this invention, the former problems can be eliminated. However, Levitation
using acoustic waves requires targets to be enclosed with acoustic elements.
The acoustic structures shaped like tweezers,twisters or bottles emerge as the
optimum mechanisms for tractor beams. This type of transportation is called
container-less transportation. This helps in transporting target drug to the
living tissues without disturbing any other tissues.
Levitation of particles
of a wide range through air will happen when the radiation forces exerted by
the acoustic waves form a acoustic trap and converge.