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Noise in a microwave amplifier is limited by quantum particles of heat

As part of an international collaboration, scientists at Chalmers University of Technology have demonstrated how noise in a microwave amplifier is limited by self-heating at very low temperatures. The results will be published in the prestigious journal Nature Materials . The findings can be of importance for future discoveries in many areas of science such as quantum computers and radio astronomy.

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Phantom limb pain relieved when amputated arm is put back to work

Max Ortiz Catalan, researcher at Chalmers University of Technology, has developed a new method for the treatment of phantom limb pain (PLP) after an amputation. The method is based on a unique combination of several technologies, and has been initially tested on a patient who has suffered from severe phantom limb pain for 48 years. A case study shows a drastic reduction of pain.

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