File:WaterTractorBeam.webm

From HandWiki

WaterTractorBeam.webm(file size: 8.97 MB, MIME type: video/webm)

This file is from a shared repository and may be used by other projects. The description on its file description page there is shown below.

Summary

Description
English: Physicists at The Australian National University (ANU) have created a tractor beam on water, providing a radical new technique that could confine oil spills, manipulate floating objects or explain rips at the beach.

The team, led by Dr Horst Punzmann, discovered they can control water flow patterns with simple wave generators, enabling them to move floating objects at will. The team also experimented with different shaped plungers to generate different swirling flow patterns. The surprisingly simple technique gives scientists a way of controlling things adrift on water in a way they have never had before, resembling sci-fi tractor beams that draw in objects.

Using a ping-pong ball in a wave tank, the group worked out the size and frequency of the waves required to move the ball in whichever direction they want.

Advanced particle tracking tools revealed that the waves do not push the ball along.
Date
Source https://www.youtube.com/watch?v=ZUYCkHWgVss
Author Australian National University

Licensing

w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

10 August 2014

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeDimensionsUserComment
current01:27, 11 August 2014 (8.97 MB)imagescommonswiki>WikiwideUser created page with UploadWizard

The following file is a duplicate of this file (more details):

The following page uses this file: