Boffins armed with a satellite dish and a length of fibre optic cable have carried out 'solar surgery' on a chicken breast.
Israeli scientists at Ben-Gurion University found that using their old networking kit to harness sunbeams developed a light source so powerful it could burn away a tumour.
Jeffrey Gordon, of the university's Jacob Blaustein Institute for Desert Research, told the magazine Nature that the equipment can concentrate sunlight by a factor of 15,000.
The scientists claimed that cables on hospital roofs could carry the beam collected in the satellite dish to operating theatres, where it could be used instead of lasers.
But the team admitted that solar surgery probably couldn't be used for emergency treatments, because of the possibility that cloud cover could shut down the beam.
Gordon said that the dish could become a cheaper alternative to laser equipment for developing countries.
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