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In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers.
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Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>
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 ... >>
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A new method for fast optical distance measurement
06.03.2018
The microresonator-based optical frequency comb enables extremely accurate distance measurements at a record speed of 100 million measurements per second. As a demonstration of how the new method works, researchers from the Karlsruhe Institute of Technology (KIT) and the Swiss Ecole Polytechnique Federale de Lausanne (EPFL) demonstrated the process of scanning the surface of a bullet flying at a speed of 160 meters per second, when In this case, the scanning accuracy was no worse than one micrometer at any given time. The new technology relies on a solitron optical frequency comb based on a microresonator fabricated on the surface of a silicon nitride chip. And further development of this technology will make it possible to create high-precision high-speed three-dimensional cameras and compact laser scanners of the LIDAR type.
One of the components of the new system are new light sources-on-a-chip, developed and created at EPFL University. The light from these sources serves to create an optical comb, when it enters the cavity of tiny circular resonators with non-linear optical characteristics, the continuous stream of light is converted into pulses called scattered Kerr solitrons, pulses that occupy a very wide band of the optical spectrum.
Note that this research group has been working with solitron optical frequency combs for quite a long time. Last year, scientists demonstrated the possibility of using such combs in broadband optical communications. An optical comb, in fact, consists of light that has several strictly defined wavelengths, i.e. the spectrum of this light resembles the teeth of a comb. If such light travels a certain distance, then the comb parameters will change, and comparing these parameters with the parameters of the reference comb will allow you to calculate the distance traveled by the light with high accuracy. And the more broadband an optical frequency comb is, the greater the distance measurement accuracy it can provide.
In a new method for measuring distance, the researchers used two optical chips that generate two identical frequency combs. The light from one chip was used to measure the distance, and the comb generated by the second chip served as a reference signal.
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