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Schematics and service manuals for Sharp mobile phones
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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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The sound of wagons generates energy
30.11.2012
Engineers from Stonebrook University received a national award for their innovative development of a device that harnesses vibration energy from railways. This can save millions of dollars a year and at the same time reduce carbon dioxide emissions into the environment. The work of the development team was recognized at the annual scientific conference held in Washington on November 7-8, 2012.
A team from Stonebrook, led by Professor Lei Zao and two graduate students Deng Ling and John Wang from the Department of Mechanical Engineering at the Energy Research Center of Science and Technology, have developed a new way to transform the irregular, chaotic vibrations of railway tracks as a train passes into orderly, regular and unidirectional. This is similar to how an electrical rectifier converts AC to DC. The essence of the operation of this device is very simple: the vibration is captured by the swing swinging up and down, they spin the gear, which rotates the shaft of a small generator in exactly one direction. This is how the transformation of chaotic oscillations into periodic ones is carried out. The received energy is enough to control all kinds of low-voltage sensors and switches.
Professor Zao believes this invention will save more than $10 million in railroad electricity costs in New York State alone, while reducing 3000 tons of CO2 emissions per year.
"The United States has the longest network of railroad tracks in the world, about 140700 km, which are often located in areas remote from urban centers. And it is very important that the so-called signaling network, which is part of the electrical infrastructure of a modern railroad, is managed everywhere. These are traffic lights, and all kinds of signal lights, automatic arrows and traffic control sensors," says Professor Zao. "Our invention will help to get up to 200 watts of electricity from a single passing train."
Modern modes of transport meet the needs of mankind in the rapid movement of people and goods over various distances. But with the current level of technological development, transport is not economical - a significant part of the energy used is lost. Due to all kinds of vibrations, shaking, acceleration, braking, etc. energy is irretrievably dissipated into the environment. Scientists have long tried to find a use for it, but the devices turned out to be complex and expensive. And today, with the help of a new device, this mechanical energy can be successfully converted into electrical energy.
Professor Zao's team has been working on converting vibrational energy into electrical energy for the past few years. They propose to use the energy of vibrations from a wide variety of sources, including trains, cars and ocean waves.
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