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Alphabetical list articles with annotations, from magazines published in 2002 in the journal Popular Mechanics:
Barabashka. Robosos
Running on wires. Trucks rush along power lines
Fast and dead. Weaving
In search of the Higgs boson. Collide and examine
In the editor's chair. Our all
Cockhorse. Monorail
Adult games. Best Worlds
Rotary toys. RC Helicopters
The eighth wonder of the world. Russian radar
The second wind of a jackhammer. air force
Journal mechanics. Printing house
Fun for the young. Toys
Fool protection. My castle
The perfect knot. How to tie a tie
The art of moving bridges. alloy bridge
What does $2 million sound like? Absolut sound
Elevator to orbit. New Tower of Babel
Martian Chronicles. A failed future
Miniature nuclear bombs. micro apocalypse
On the threshold of hell. Kola Superdeep Well
Unformatted. Oblique fathom
An eye for an eye. Miraculous wheel
shock absorbers. For whipping
Underground parachute. soft protection
Walking with excavators. Walking Night
Plane out of the box. self-assembly
Shoot down on the way. Active protection
The secret weapon of the gods. How Indra hit Vritra with the Vajra
Fly to the 101st kilometer. Space
Treasures of the deep. Search
Fuel of the future. Alternative
Three cycles per turn. rotary engine
Civilization killer. electromagnetic bomb
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Latest news of science and technology, new electronics:
Artificial leather for touch emulation
15.04.2024
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 ... >>
Petgugu Global cat litter
15.04.2024
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 attractiveness of caring men
14.04.2024
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. ... >>
| Random news from the Archive The value of pessimism in risk assessment
26.02.2024
In our time, the cult of optimism is considered the ideal. Phrases like “Why are you so pessimistic about life?” often sound like a reproach, and the term “pessimist” has acquired a negative meaning. However, an experiment conducted at the University of California, Berkeley, involving more than 30 participants, revealed interesting results: optimism often prevents people from making thoughtful decisions. Optimists often overestimate their capabilities, relying on luck and risking their finances and well-being.
Similar findings are confirmed by researchers from the UK, noting that optimists' brains strongly filter information related to risks and mistakes. This area of the brain, which is responsible for assessing risks, is less active in optimists, which leads them to underestimate possible risks and not pay attention to negative consequences.
Unlike optimists, pessimists carefully assess risks and often have a backup plan in case of failure. Research has also shown that people perform better on tasks when they act in accordance with their habitual worldview. Thus, comfort with your own thinking style has a greater impact on success than your own perspective on the situation.
Most psychologists believe that the predisposition to pessimism or optimism largely depends on temperament. According to this opinion, sanguine people tend to be optimistic, while melancholic people more often take a pessimistic position.
The findings of this study allow us to reconsider the negative attitude towards pessimism, identifying its positive aspects, such as a more cautious approach to decisions and the ability to take risks into account.
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Interesting materials of the Free Technical Library:
▪ section of the site For a beginner radio amateur. Article selection
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