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1024x8 bit static CMOS EEPROM I2C bus
2-element antenna with switchable radiation pattern
4-element phased antenna
DSP in amateur equipment
III Russian Olympiad for schoolchildren in astronomy and space physics
IX International Tournament of Young Physicists
LIX Moscow Mathematical Olympiad
MCS-151 and MCS-251 - new families of hardware from Intel
Noise Blanker in FT-990 transceiver
PACKET RADIO for everyone
PACKET RADIO for everyone
QRP direct conversion transceiver
Roger Beep
RS flip-flop with dynamic inputs
S-meter and AM signal receiving path in a portable FM radio station
TEN-TEC Corsair
TRIBANDER from a simple 27 MHz GP
V International Olympiad Intellectual Marathon
Windows 95 facts and figures
XXII All-Russian Olympiad for Schoolchildren in Mathematics
XXX All-Russian Olympiad for schoolchildren in physics
XXXVII International Mathematical Olympiad
Atomic nuclei vibrate too!
And on the moon, on the moon
And not the price of a crazy muse, not the price!
And now - preference (puzzle)
Avidon - Agathon - Kapiton
Butter spreading machine for sandwiches
Automatic lamp protection against burnout on the relay and trinistor
Automatic lamp protection against burnout on a triac
Light effects machine
Refrigerator defrost control
Automatic light control
Automated parking
Automatic protection of network radio equipment
Auto focus. Is it good or bad?
Automatic SWR meter
Automatic amplifier input selector
Automatic tester for testing transistors
Automatic turn off of the tape recorder
Turn off the TV automatically
Automatic charger
Car for Russia
Emergency vehicle
Car fills up with tires
Car on two wheels
Car radio MUSTANG CRF-280B
Bicycle car pump
Caller ID without power - phone
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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 Magneto-optical disk stores up to 1 GB of information
19.07.2000
Japanese companies Sony and Sharp have jointly developed a new magneto-optical (MO) disk with a diameter of 5 cm. The disk has a thickness of 0,5 mm and can store up to 1 GB of information.
Sharp also plans to release a digital video camera for the new media by the spring of next year. According to experts, the quality of MO video recording practically does not depend on the number of times a disc is played.
Experts believe that the mass production of equipment with an MO disk will lead to the end of the era of video recorders and video cameras, where magnetic cassettes are used as a source of information.
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Interesting materials of the Free Technical Library:
▪ website section LEDs. Article selection
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