An acoustic “tractor beam” that can pull an object by firing sound waves at it has been created by physicists in the UK and US. The beam was made using a commercial ultrasound surgery system and ...
After years of R&D and promises, multi-beam electron-beam technology is delayed and late to the market. The technology requires more funding and work than previously thought. And generally, the ...
The tractor beam was able to move a hollow triangular object forward 1cm This was done with a device that exerted pressure using sound waves Device could have applications in treating cancer and ...
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