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Collection New Radio Yearbook No. 26
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Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>
More and more often we hear about an increase in the amount of space debris surrounding our planet. However, it is not only active satellites and spacecraft that contribute to this problem, but also debris from old missions. The growing number of satellites launched by companies like SpaceX creates not only opportunities for the development of the Internet, but also serious threats to space security. Experts are now turning their attention to the potential implications for the Earth's magnetic field. Dr. Jonathan McDowell of the Harvard-Smithsonian Center for Astrophysics emphasizes that companies are rapidly deploying satellite constellations, and the number of satellites could grow to 100 in the next decade. The rapid development of these cosmic armadas of satellites can lead to contamination of the Earth's plasma environment with dangerous debris and a threat to the stability of the magnetosphere. Metal debris from used rockets can disrupt the ionosphere and magnetosphere. Both of these systems play a key role in protecting the atmosphere and maintaining ... >>
There are quite a few mysteries in the world of science, and one of them is the strange behavior of bulk materials. They may behave like a solid but suddenly turn into a flowing liquid. This phenomenon has attracted the attention of many researchers, and we may finally be getting closer to solving this mystery. Imagine sand in an hourglass. It usually flows freely, but in some cases its particles begin to get stuck, turning from a liquid to a solid. This transition has important implications for many areas, from drug production to construction. Researchers from the USA have attempted to describe this phenomenon and come closer to understanding it. In the study, the scientists conducted simulations in the laboratory using data from bags of polystyrene beads. They found that the vibrations within these sets had specific frequencies, meaning that only certain types of vibrations could travel through the material. Received ... >>
Random news from the Archive
Copper magnetism for atomic-level memory
20.11.2018
Researchers from IBM - Christopher Lutz (Christopher Lutz) and Kai Yang (Kai Yang) spoke about the unique experience of studying the magnetism of the copper atom. In the traditional sense, copper is not a magnetic material, but under certain conditions, its atoms can exhibit magnetization. The main of these conditions is the isolation of the copper atom from other copper atoms. A scanning tunneling microscope (STM) helped scientists to conduct such an experiment, the probe of which allows not only to "see" an elementary particle the size of one atom, but also to move it from one place to another.
After studying an isolated copper atom, it turned out that the magnetic orientation of the nucleus is related to the magnetic orientation of an electron located outside the nucleus. This connection makes it possible to read or write data by changing the orientation of the magnetic field of the copper atom nucleus using a voltage applied to the STM probe. Copper was chosen for the new memory because of its better current conductivity than iron.
It is interesting to note that the proposed method of data recording in the form of changing the orientation of the magnetic field of a copper atom has one more advantage over, say, conventional magnetoresistive memory. So, if the MRAM cell stores data in the form of magnetization in two possible directions, then the copper atom has four stable quantum states of the direction of the magnetic field. Simply put, a copper atom memory cell can store four bits of data.
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