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Miniature radio contact devices. Radio transmitters, radio receivers, radio microphones, radio converters. Collection, 2009.
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The rapid development of technology, technology, and informatics in recent decades has caused an even more rapid development of technical devices and systems for intelligence and espionage. In fact, it has too often been more profitable to spend the Nth amount on obtaining, for example, an already existing technology, than several times more on creating one's own. And in politics or in military affairs, the win sometimes turns out to be simply priceless.
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Miniature radio contact devices. Radio transmitters, radio receivers, radio microphones, radio converters. Collection, 2009:
In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>
Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>
The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>
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Jupiter doesn't revolve around the sun
09.03.2021
The earth revolves around the sun. Mars revolves around the sun. Venus, Mercury, Neptune, Uranus, and Saturn too. The Moon and the International Space Station revolve around the Earth. But with the giant planet Jupiter, everything is somewhat more complicated.
When in outer space a less massive body revolves around a more massive one, the light does not describe perfect circles around the center of the heavy. In fact, both rotate, and the center of this rotation is the center of mass of both bodies. If the difference in mass is very large - as, for example, between our planet and the Sun - then the center of mass is located inside a more massive body, at a negligibly small distance from its geometric center. But if the mass of two bodies is comparable, then the center of mass can also be located in space outside both bodies.
The mass of Jupiter is 2,5 times the mass of all other objects in the solar system. The mass of Jupiter is 1 kg, and the mass of the Sun is 898 kg, with a difference of only 600 times.
Such a relatively small difference in mass shifts the point around which both the Sun and Jupiter move, mutually attracted by gravity. This point is, according to calculations, at a distance equal to 7% of the solar radius from the surface of the star. In other words, Jupiter, the only planet in the solar system, revolves around a point in space that is not inside the Sun, but outside it.
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