Free technical library. Articles from Popular Mechanics, 2014

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Alphabetical list articles with annotations, from magazines published in 2014 in the journal Popular Mechanics:

10 Innovation WWI

10 new technical terms

10 Toughest Concepts to Learn While Playing LEGO Education

100 special purpose vehicles

Is 1000 miles per hour in a car a reality?

3D modeling is transforming paleontology

Fisker Karma: the failure story of the most boring hybrid

Jetserf combines the delights of a jet ski, wakeboard and a trainer for all muscle groups

Ladee: a spaceship that is assembled like a constructor

Sikorsky S-97 Raider: and the revolution will come

avant-garde nostalgia

Auto from printer

American version of the weapons of a soldier of the future

Amphibious Quadski: a hybrid of an ATV and a jet ski

Arctic: hot polar night

African cars: plenty to choose from

Madness of the brave: 10 most beautiful base jumps

Immortal HeLa cells

Biathlon from Kalashnikov

Bioluminaire: a luminous plant in your home

Biohackers

Armor of the White Guard

Splashes of frozen time

Will the guns be silent?

Into deep space without fuel: an engine that cannot be

Awaiting the verdict

Along the oyster: Sakhalin test drive Land Rover Discovery 4

Wakeboard without a boat

Faithful subject of beauty

Voinushka for adults: the rules of the pistol game

Rise of the good robots

Climbing Elbrus for Dummies: Expedition PM

Everything you need to know about Rosetta's historic mission

Always closed door

High tech Rolls-Royce Wraith

High flight Valery Rozov

High-tech Red Bull Air Race

Garage Auto Blues: How the TV Show is Filmed Fast and Loud

Genetic Upgrading: Dispelling Myths About GMOs

thugs

Bog Racers: A Strange Sport

bean racing

Burn, burn! Clear?: How the Olympic torch was created

microworld gulliver

Trucker: a new rifle from Russian gunsmiths

Active space communications ship

Making a fire tornado with improvised means

Flag demonstration

Hold the handle

Detective: How We Found Mars 3

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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

Ultracold molecular quantum gas 04.12.2020

For the first time, American physicists have obtained a controlled state of an ultracold molecular quantum gas, which can have many practical applications - from ultraprecise measurement devices to quantum computing.

In the classical sense, a gas consists of a large number of randomly moving particles. When the gas is cooled to near absolute zero, the molecules stop behaving like particles and take on the properties of waves that overlap. This state is called a quantum gas, and the transition temperature of a molecular gas to a quantum state is called the degeneracy temperature.
The properties of a quantum gas depend on the degree of its degeneracy, when the gas molecules, like particles, repel each other, but interact at large distances due to their overlapping waves, electric dipole moments, and other characteristics.

Researchers at JILA - a joint venture between the US National Institute of Standards and Technology (NIST) and the University of Colorado Boulder - have developed tools to "turn on" the state of an ultracold molecular quantum gas and control intermolecular interactions over long distances.

Ultracold quantum gases can potentially find application in ultraprecise measurement devices, for modeling extreme states of matter, creating quantum many-particle systems, and in quantum computing.

According to the authors, a new scheme for pushing a molecular gas to its lowest energy state, called quantum degeneracy, which suppresses chemical reactions that destroy molecules, will allow us to explore exotic quantum states in which all molecules interact with each other.

At a temperature of 250 nanokelvins - just above absolute zero - the researchers created a dense gas of about twenty thousand dipole potassium-rubidium molecules, which behave like tiny magnets in an electric field, due to the fact that rubidium atoms have a positive charge, and potassium atoms - negative.

Turning on the horizontal electric field slowly over hundreds of milliseconds reduced the strength of the trap in one direction long enough for the hot molecules to escape and the remaining molecules to cool. At the end of this process, the molecules returned to their most stable state, but now in a denser gas.

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