Matter & Energy

Part of the collider at Brookhaven National Laboratory USA, credit: Z22, source: Wikipedia (https://en.wikipedia.org/wiki/Relativistic_Heavy_Ion_Collider)

Physicists produce heaviest exotic antimatter nucleus to date - antihyperhydrogen-4

An antimatter hypernucleus consisting of four aniparticles has been detected at the American RHIC (Relativistic Heavy Ion Collider). Antihyperhydrogen-4 is the heaviest exotic nuclear structure in the world of antimatter discovered so far. Polish scientists also participated in the STAR experiment.

  • Electro-optical time lens. A light pulse synchronised with an electronic control signal is transformed over time similarly to a light beam passing through a real lens. Credit: University of Warsaw

    High precision spectrometer from University of Warsaw uses information hidden in photons

    Researchers working at the University of Warsaw have developed a quantum-inspired super-resolving spectrometer for short pulses of light.

  • Credit: Wrocław University of Science and Technology

    Bose-Einstein condensation of photons in laser

    Scientists from Wrocław University of Science and Technology offer a new perspective of the principles of operation of semiconductor lasers. The results of their important laser physics discovery have just been published in the journal Nature Photonics.

  • Fot. Adobe Stock

    Tornado in a box: Twisted Polish idea for quantum memory

    Physicists from Warsaw have built a trap for 'quantum tornadoes' - single quantum vortices that appear in superconductors. Thanks to the world's fastest thermometer of their own design, they have studied these vortices and determined how to control them. Now scientists propose to use this idea as memory in quantum computers.

  • Distortions in different projections. On a 'perfect map', circles - covering the same areas - would be the same size and shape in every place on the map. Source: collage of maps shared on Wikipedia

    Maps can be deceiving and have serious consequences, says mathematician

    Just as statistics or graphs can distort reality, so can the maps we use every day. However, if you learn the mathematics hidden behind maps, you will not be so easily led astray, says mathematician Dr. Paulina Rowińska.

  • The Higgs boson (blue) may form as a result of the interaction of gluons (yellow) during proton collisions. Protons consist of two up quarks (red) and one down quark (purple), bound by gluons so strongly that in the forming sea of virtual particles (gray) more massive quarks and antiquarks, for example beauty quarks, may appear, and their presence also affects the Higgs boson birth process. (Source: Institute of Nuclear Physics PAS)

    After 12 years of research, Higgs still does not reveal elements of new physics

    After 12 years of detailed research into the properties of the Higgs boson, there is no indication that it will be possible to extend the Standard Model with elements of new physics - new analyses involving Polish scientists show.

  • Credit: Adobe Stock

    Time for visitors from the future? Why not! Physicists make room in theory for tachyons

    Tachyons are hypothetical particles that travel at speeds faster than light. Until recently, they were generally regarded as entities that did not fit into the special theory of relativity. However, a team of physicists has just demonstrated how to make room for tachyons in theory.

  • Photo from WAT/VIGO Photonics S.A. press release

    Work is underway on Polish far infrared detector array

    Researchers at the Military University of Technology are working on the future Polish array of far infrared detectors, the components of which will be environmentally friendly and at the same time meet the requirements of the most advanced applications, including military ones.

  • River deltas can have a variety of forms. The Ganges-Brahmaputra River Delta in Bangladesh (left) shows a loop-like topology, with numerous channels interconnecting primary branches (Source: @ESA European Space Agency). The outflow from Wax Lake in Louisiana seems to branch into a treelike pattern with smaller river outlets reaching the Atlantic Ocean (Source: National Science Foundation, Center for Earth-Surface Dynamics).

    Scientists investigate ‘network loops’ in nature

    In blood vessels, leaf veins and river systems, physicists see so-called transport networks. What conditions favour the formation of loops that make the entire system resistant to damage has now been investigated by a team of scientists from Poland and America.

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    Technology

    Galvanization like printing - coatings for solar cells and more

    A new method of coating materials with thin layers in a way that resembles printing has been developed at the Jagiellonian University. It requires a minimal amount of chemical materials and can accelerate the development of 3rd generation organic solar cells.

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  • Adobe Stock

    Map shows areas of Warsaw that would be under water during flood

  • Fungi and humans share common ancestry, says mycologist:

  • Polish photographer makes his third NASA Astronomy Picture of the Day

  • Butterflies can travel thousands of kilometres, but their migrations are still poorly known, says researcher

  • We need to protect farm animals better instead of allowing wolves to be shot, says biologist

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Steppe bison skull, Yakutia, Jakucja. Credit: Rafal Kowalczyk

Was the steppe bison specialised herbivore of Pleistocene landscapes?

The results of new research challenge the common view that the steppe bison was a strictly grazing animal, feeding mainly in the steppes, say scientists from the Mammal Research Institute PAS, who reconstructed the diet of the last representatives of the legendary megafauna.