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Chalmers University of Technology

This artist's concept shows a quantum refrigerator based on superconducting circuits. The device cools qubits to extremely low temperatures using three qubits: a hot qubit (top right), a cold qubit (bottom right), and a target qubit (bottom left). Heat from a nearby hot environment powers the process, allowing the refrigerator to extract thermal energy from the target qubit and release it into a cold environment. This brings the target qubit to a low-error ground state, ideal for quantum computing. The device was developed at the Myfab nanofabrication lab, Chalmers University of Technology, Sweden.

Self-Powered Quantum Refrigerator Sets New Cold Record for Computing

Categories Physics & Mathematics, Technology

The hidden centre of galaxy NGC 1052 (artist’s impression). In this artist’s impression we are nearing the supermassive black hole at the centre of galaxy NGC 1052. Here, material collects in a spinning disk before falling into the black hole, and magnetic fields build up which may help launch the galaxy’s powerful jets. Credit: Chalmers University of Technology | 3dVision | Johan Bournonville | Anne-Kathrin Baczko

Scientists Close In on How Black Holes Launch Powerful Cosmic Jets

Categories Physics & Mathematics, Space

A research group, led by Chalmers University of Technology in Sweden, presents an ordinary silk thread, coated with a conductive plastic material, that shows promising properties for turning textiles into electricity generators. Here, a button is sewn with the new thread.

Scientists Create Electric Thread That Turns Body Heat into Power

Categories Technology

In the new communication system from researchers at Chalmers University of Technology, in Sweden, a weak optical signal (red) from the spacecraft's transmitter can be amplified noise-free when it encounters two so-called pump waves (blue and green) of different frequencies in a receiver on Earth. Thanks to the researchers' noise-free amplifiers in the receiver, the signal is kept undisturbed and the reception on Earth becomes record-sensitive, which in turn paves the way for a more error-free and faster data transmission in space in the future.

Faster space communication with record-sensitive receiver

Categories Space, Technology

Image description: 3D visualisation of CCS at Sleipner, where carbon dioxide has been successfully stored deep below the North Sea outside the coast of Norway since 1996

Carbon Capture and Storage Falls Short of Climate Targets, Study Finds

Categories Earth, Energy & Environment, Technology

hydrogen powered airliner

Hydrogen-Powered Planes Could Revolutionize Short-Haul Flights by 2045

Categories Earth, Energy & Environment, Technology

butter and olive oil

Blood fat profiles confirm health benefits of replacing butter with high-quality plant oils

Categories Health

A black hole and spiral wind

Cosmic Growth Spurt: Supermassive Black Hole Mimics Star Formation

Categories Physics & Mathematics, Space

The researchers built a system (circuit diagram on the left) that can be controlled by microwave pulses (wiggly arrow) to turn on or off different operations. This system creates a special quantum state (cubic phase state) useful for fixing errors in quantum computers. The blue areas on the right show a unique property (Wigner negative regions) that proves this state is truly quantum.

Breakthrough may clear major hurdle for quantum computers

Categories Physics & Mathematics, Technology

Men in yellow vests standing in front of a dirty power plant

Navigating the Coal Phase-Out: The Trillion-Dollar Question of Just Transition

Categories Earth, Energy & Environment

3D printed nanocellulose

Printing Swedish houses with algae

Categories Earth, Energy & Environment, Technology

Illustration of heating earth

Increased temperature difference between day and night can affect all life on earth

Categories Earth, Energy & Environment, Life & Non-humans

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