Crystal lattice of a solid (symbolic image). When researchers want to know exactly how atoms are connected and form solid objects, they come up against limits. Digital quantum simulations could soon solve the mysteries of solid-state research. Credit: stock.adobe.com

Digital quantum simulations can be used to solve problems in solid-state research, for example conductivity, magnetism or superconductivity.

Quality matters - Advances in digital quantum simulation

Aircraft engines emit soot particles. These act as condensation nuclei for small supercooled water droplets, which immediately freeze into ice crystals and become visible as contrails in the sky. Credit: © DLR. All rights reserved

An international research team has successfully demonstrated that long-lasting contrails can be avoided by adjusting flight altitudes.

Changing flight altitudes avoids the formation of climate-damaging contrails

The test flight with the unmanned DLR superARTIS helicopter was an important milestone for the 'Upcoming Drones Windfarm' project. The project, which is being carried out by the DLR Institute of Flight Systems together with the energy company EnBW, focuses on the question of whether drones can take over transport tasks for offshore wind farms and relieve maintenance personnel. Credit: DLR (CC BY-NC-ND 3.0)

Logistics for offshore wind farms could be simplified with the use of drones. DLR is working with energy supplier EnBW to determine requirements and possibilities.

Drones to transport personnel and materials to offshore wind farms

The PIXL-1 small satellite can acquire images of the Earth with a high-resolution camera and send them to the Optical Ground Station Oberpfaffenhofen with the CubeLCT via a laser link. Credit: DLR (CC BY-NC-ND 3.0)

Small satellites are becoming increasingly compact and powerful. The technology of conventional radio channels is reaching its limits due to the rising number of satellites.

Demonstration of data transmission from a microsatellite by laser

The NASA aircraft model inside the DNW Braunschweig Low-Speed Wind Tunnel (DNW-NWB). 'Sheets' of laser light illuminating the inner and outer wings are used to measure flow velocities. Credit: DLR (CC BY-NC-ND 3.0)

In wind-tunnel tests, the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) has investigated the lift generated by commercial aircraft using state-of-the-art measurement and simulation technologies.

DLR improves the prediction of flight characteristics for future aircraft

Boeing is working with NASA, DLR and United Airlines to test how sustainable aviation fuel (SAF) affects contrails and non-carbon-dioxide emissions and reduces the fuel's impact on the climate throughout its lifecycle. Boeing's second ecoDemonstrator Explorer, shown here, a 737-10 built for United Airlines, will fly on 100 percent SAF and conventional jet fuel in separate tanks and alternate fuels during the tests. Credit: Boeing

In a collaboration to strengthen sustainability in aviation, Boeing [NYSE: BA] is partnering with NASA and United Airlines for in-flight testing to measure how sustainable aviation fuel (SAF) affects contrails and non-carbon emissions, in addition to reducing the fuel's life cycle climate impact.

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Quality matters - Advances in digital quantum simulation

Changing flight altitudes avoids the formation of climate-damaging contrails

Drones to transport personnel and materials to offshore wind farms

Demonstration of data transmission from a microsatellite by laser

DLR improves the prediction of flight characteristics for future aircraft

Boeing, NASA, United Airlines and DLR to test SAF benefits with air-to-air flights