Midnight In The Desert — tractor beam

The world's most powerful acoustic tractor beam could pave the way for levitating humans

Posted by K R on

The world's most powerful acoustic tractor beam could pave the way for levitating humans

Acoustic tractor beams use the power of sound to hold particles in mid-air, and unlike magnetic levitation, they can grab most solids or liquids. For the first time University of Bristol engineers have shown it is possible to stably trap objects larger than the wavelength of sound in an acoustic tractor beam. This discovery opens the door to the manipulation of drug capsules or micro-surgical implements within the body. Container-less transportation of delicate larger samples is now also a possibility and could lead to levitating humans. Researchers previously thought that acoustic tractor beams were fundamentally limited to levitating small objects...

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How to 3-D print your own sonic tractor beam

Posted by K R on

How to 3-D print your own sonic tractor beam

Last year Asier Marzo, then a doctoral student at the Public University of Navarre, helped develop the first single-sided acoustic tractor beam—that is, the first realization of trapping and pulling an object using sound waves from only one direction. Now a research assistant at the University of Bristol, Marzo has lead a team that adapted the technology to be, for all intents and purposes, 3-D printable by anyone (with some assembly required, of course). In addition to a fully detailed how-to video that the group produced for the public, the results of the work developing this do-it-yourself, handheld acoustic tractor...

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Star Wars style sonic tractor beam invented

Posted by K R on

Star Wars style sonic tractor beam invented

Darth Vader’s Death Star and Captain Kirk’s Starship Enterprise both had one. Now the tractor beam, that science fiction favourite deployed to memorable effect in numerous films and television series over the years, has finally arrived on Earth. A team of researchers at two British universities has created the world’s first fully functioning sonic tractor beam, capable of suspending, moving and manipulating small objects using only the power of sound waves. Previous studies have shown that tractor beam technology is possible, but the new study is significant as it is the first time an object has been successfully held and...

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