Electrical and electronic engineering

One-way street for sound waves

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.

Is air conditioning a threat to the power grid?

The elevated temperatures this summer prompted many of us to crank up the air conditioning. In Switzerland, the energy used for cooling is approaching that for heating. What does that mean for power grids?

A 2D device for quantum cooling

EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technologies, which require extremely low temperatures to function optimally.

Innovative battery design: more energy and less environmental impact

A new electrolyte design for lithium metal batteries could significantly boost the range of electric vehicles. Researchers at ETH Zurich have radically reduced the amount of environmentally harmful fluorine required to stabilise these batteries.

ETH Zurich spin-offs develop high performance batteries

The electrification of many areas of life is leading to an increased demand for high-performance batteries. Two ETH spin-offs are making waves in this field: while BTRY develops high-performance solid-state batteries, 8inks is working on a new standard for production.

ANYmal can do parkour and walk across rubble

The quadrupedal robot ANYmal went back to school and has learned a lot. ETH Zurich researchers used machine learning to teach it new skills: the robot can now climb over obstacles and successfully negotiate pitfalls.

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