Physics

Duplicate or mirror?

Seven of the ten most frequent medications contain chiral agents. These are molecules that occur in right- or left-handed forms. During chemical synthesis both forms usually occur in equal parts and have to be separated afterward, because chirality determines the agent's effect in the body. Physicists have now succeeded in using laser light for the purpose of creating either right- or left-handed molecules.

Researchers reverse the flow of time on IBM's quantum computer

Researchers have managed to return a computer briefly to the past. The results suggest new paths for exploring the backward flow of time in quantum systems. They also open new possibilities for quantum computer program testing and error correction.

Next generation of optical tweezers

Scientists have developed a pioneering new technique that could pave the way for the next generation of optical tweezers.

20 Things You Didn't Know About Seasons

Thank our wobbly planet for our seasons, which have led to remarkable adaptations in animals ranging from honeybees to lungfish.

Testing the symmetry of space-time by means of atomic clocks

According to Einstein the speed of light is always the same. But according to theoretical models of quantum gravitation, this uniformity of space-time does not apply to particles. Physicists have now tried to detect a change in the uniformity of space-time using two optical Ytterbium clocks.

Understanding and controlling the molecule that made the universe

Trihydrogen, or H3+, is acknowledged by many scientists as the molecule that made the universe. Researchers employed high-speed lasers to shine a spotlight on the mechanisms that are key in H3+ creation and its unusual chemistry.

Scientists on making the Large Hadron Collider safer

An international research team headed by Evgeniy Talantsev, a senior research fellow at the Research and Educational Center of Ural Federal University, has approached the task of increasing the reliability of such complex and expensive facilities as the Large Hadron Collider (LHC). The results of the experiment were published in the journal Scientific Reports in an article titled "The onset of dissipation in high-temperature superconductors: magnetic hysteresis and field dependence."

Resistive plate chambers as neutron detectors

Resistive Plate Chambers (RPCs) are being developed as detectors for neutrons as part of SINE2020. Luís Margato, Andrey Morozov and Alberto Blanco from LIP Coimbra in Portugal have been working on the project. Here is what they have done.

LS2 report: rejuvenation for the antiproton decelerator

The Antiproton Decelerator (AD), sometimes known as the Antimatter Factory, is the world's largest source of antimatter and has been operational since 2000. Here, antiprotons are slowed down and sent into the experiments, where they are combined with antielectrons to produce the most basic antiatom: that of antihydrogen. Over the course of the second long shutdown of CERN's accelerator complex (LS2), the AD will receive several enhancements as well as repairs and refurbishments.

ATLAS Experiment releases first result with full LHC Run 2 dataset

Could a Grand Unified Theory resolve the remaining mysteries of the Standard Model? If verified, it would provide an elegant description of the unification of Standard Model forces at very high energies, and might even explain the existence of dark matter and neutrino masses. Physicists at the ATLAS Experiment at CERN are searching for evidence of new heavy particles predicted by such theories, including a neutral Z' gauge boson.

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