Physics

Quantum researchers create an error-correcting cat

Physicists have developed an error-correcting cat -- a new device that combines the Schrödinger's cat concept of superposition (a physical system existing in two states at once) with the ability to fix some of the trickiest errors in a quantum computation.

Glass blowing inspires new class of quantum sensors

When Adelaide glass blower Karen Cunningham made art using diamond and glass she had no idea it would inspire a new kind of hybrid material. Now a consortium of scientists, including from RMIT University and University of Adelaide, is using the technology to make a new class of quantum sensors.

Efficient valves for electron spins

Researchers have developed a new concept that uses the electron spin to switch an electrical current. In addition to fundamental research, such spin valves are also the key elements in spintronics -- a type of electronics that exploits the spin instead of the charge of electrons.

Quantum materials quest could benefit from graphene that buckles

Graphene buckles when cooled while attached to a flat surface, resulting in pucker patterns that could benefit the search for novel quantum materials and superconductors, according to new research.

Scientists propose method for eliminating damaging heat bursts in fusion device

Researchers discover a technique for widening the windows of plasma current to enhance suppression of edge localized modes (ELMs) that can damage tokamak facilities.

Nanocrystals from recycled wood waste make carbon-fiber composites tougher

Researchers have used a natural plant product, called cellulose nanocrystals, to pin and coat carbon nanotubes uniformly onto the carbon-fiber composites. The researchers said their prescribed method is quicker than conventional methods and also allows the designing of carbon-fiber composites from the nanoscale.

Physicists cast doubt on neutrino theory

Physicists are raising doubts about the existence of an exotic subatomic particle that failed to show up in twin experiments.

Digital content on track to equal half 'Earth's mass' by 2245

As we use resources to power massive computer farms and process digital information, our technological progress is redistributing Earth's matter from physical atoms to digital information. Eventually, we will reach a point of full saturation, a period in our evolution in which digital bits will outnumber atoms on Earth, a world 'mostly computer simulated and dominated by digital bits and computer code,' according to a new article.

X-rays indicate that water can behave like a liquid crystal

Scientists have discovered that water can exhibit a similar behavior like a liquid crystal when illuminated with laser light. This effect originates by the alignment of water molecules, which exhibit a mixture of low- and high-density domains that are more or less prone to alignment. The results are based on a combination of experimental studies using X-ray lasers and molecular simulations.

Digital content on track to equal half Earth's mass by 2245

As we use resources, such as coal, oil, natural gas, copper, silicon and aluminum, to power massive computer farms and process digital information, our technological progress is redistributing Earth's matter from physical atoms to digital information—the fifth state of matter, alongside liquid, solid, gas and plasma.

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