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Astronomy: SPHERE instrument unveils its first exoplanet

The 'planet-finder instrument' of the European Southern Observatory (ESO), which has partially developed and built at ETH Zurich, has discovered its first exoplanet. HIP 65426b is some 385 light-years from us  — and it turns out that it is a particularly interesting exoplanet. Read more 


Quantum sensors: Quantum-aided frequency measurements

Accurate measurements of the frequencies of weak electric or magnetic fields are important in many applications. Researchers at ETH Zurich have now developed a procedure whereby a quantum sensor measures the frequency of an oscillating magnetic field with unprecedented accuracy. Read more 


Laser physics: One laser is enough

Gases in the environment can be spectroscopically probed fast and precisely using so-called dual frequency combs. Researchers at ETH have now developed a method by which such frequency combs can be created much more simply and cheaply than before. Read more 


Hybrid quantum devices: Stronger together

In a collaboration of three groups at the Department of Physics, a device has been created that strongly couples quantum states of light and matter. This hybrid system opens up novel routes to combining the advantages of different quantum platforms — and to a host of possible applications. Read more 


Quantum physics: Artificial magnetic fields for photons

Light particles do not usually react to magnetic fields. Researchers at ETH Zurich have now shown how photons can still be influenced by electric and magnetic fields. In the future that method could be used to create strong artificial magnetic fields for photons. Read more 


Particle physics: New "heart" for CERN's CMS experiment

CERN’s CMS experiment – one of the detectors at the Large Hadron Collider received a new heart today – a pixel detector much like a high-speed digital camera that snaps images up to 40 million times per second. Read more 


Supersolidity: Crystalline and liquid at the same time

When matter is cooled to near absolute zero, intriguing phenomena emerge. These include supersolidity, where crystalline structure and frictionless flow occur together. ETH researchers have succeeded in realising this strange state experimentally for the first time. Read more 


Machine learning: Success by deception

Theoretical physicists from ETH Zurich deliberately misled intelligent machines, and thus refined the process of machine learning. They created a new method that allows computers to categorise data – even when humans have no idea what this categorisation might look like. Read more 


Quantum many-body physics: Taming complexity

Quantum systems consisting of many particles are a major challenge for physicists, since their behaviour can be determined only with immense computational power. ETH physicists have now discovered an elegant way to simplify the problem. Read more 


The Big Bell Test: Gaming in the name of science

Quantum mechanics can be entertaining: anyone with a few minutes to spare for a video game on 30 November can do their bit to help solve a fundamental question of physics that was once argued over by Albert Einstein and Nils Bohr. ETH Professor Andreas Wallraff explains what the Big Bell Test is all about. Read more 

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