Newsletter June 2024
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ETH Domain News
June 6, 2024
 
 
Peter Richner, Deputy Director of Empa and Co-Head of the Sustainable Construction research focus area. (Photo: Kellenberger Photographie)
"From scapegoat to saviour"
What role can the construction industry play in combating ever-worsening climate change? Peter Richner thinks it can be a game changer. We speak to the Deputy Director of Empa and Co-Head of the Sustainable Construction research focus area.

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A shoot of sessile oak (*Quercus petraea*) is enclosed in a leaf gas exchange cuvette that measures gas exchange at leaf level. The cuvette controls light intensity, temperature, vapor pressure deficit (VPD) and CO₂ concentration. (Foto: Perez Wyss)
Reaction of trees to extreme temperatures
At temperatures above 30°C, water loss through transpiration increases in trees, while CO2 uptake decreases – even when there is enough CO2 in the atmosphere. WSL researchers were able to show this in a study. This finding is important for understanding how trees adapt to climate change and the associated rise in temperatures.

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Through the generation of a dataset of accurate band gaps for perovskite materials and the use of machine learning methods, several promising halide perovskites are identified for photovoltaic applications. Credit: H. Wang (EPFL)
Machine learning accelerates discovery of solar-cell perovskites
An EPFL research project has developed a method based on machine-learning to quickly and accurately search large databases, leading to the discovery of 14 new materials for solar cells.

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A group of EPFL and ETH Zurich scientists have mapped the biodiversity in forests worldwide.© 2024 EPFL
Scientists map biodiversity changes in the world's forests
A group of EPFL and ETH Zurich scientists have mapped the biodiversity in forests worldwide. Their data, when combined with climate projections, reveal trends that could support ecosystem conservation and restoration efforts.

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(Photograph: KO Photography, changed with AI)
Chocolate that harnesses the full potential of the cocoa fruit
Researchers at ETH Zurich have teamed up with the food industry to produce a whole-fruit variety of chocolate. This helps increase the value creation of cocoa farming – and is healthier.

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A researcher looks into the ultra-high vacuum chamber of a trapped-ion quantum computer at PSI. Soon, quantum computers at the ETHZ-PSI Quantum Computing Hub will also be used to perform quantum simulations. (© Paul Scherrer Institute/Edgar Brucke)
Using quantum computers already today
Understanding how chemical reactions really happen at a quantum mechanical level is difficult. As experimental tools such as the SwissFEL enable new insights into the ultrafast changes that govern them, the data becomes too complicated to model classically. Here, simulations on quantum computers could help.

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AVERO are developing an inspection drone in which the propellers are protected in tubes. (Photograph: ETH Zurich / Samuel Visca)
ETH students develop novel drone
🕒 2 minutes

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