She is working on focusing the transmitted beam into a much smaller area, so that less energy is lost along its way.

ECONOMIST: Archaeology

There was an added intention of restoring the Scottish-made beam engine pump machinery to full working order.

UNESCO: Historical Waterworks Building wins Heritage Award

Andrews and the Institute of Scientific Instruments have developed a working (albeit quite miniature) tractor beam themselves.

FORBES: Scientists Build A Working Tractor Beam

Working with local net-makers, Devon's beam-trawler fishermen voluntarily trialled their own designs, stitching the net panels together in a different way to allow the mesh to stay open, thereby letting smaller fish escape.

BBC: SW fishing nets could negate need for discard ban