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Věda a technika - Technika - - 28. března 2019

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Strana: 1/ 14 Celkem nalezeno 135 záznamů.

New way of designing systems against correlated disruptions uses negative probability

Náhled

Until now, systems engineers have struggled with the problem of planning for disaster impacts that are linked by correlation -- like those of earthquakes and tsunamis -- because of the cumbersome calculations necessary to precisely quantify the probabilities of all possible combinations of disruption occurrences. Now researchers have developed a new method for designing and optimizing systems subject to correlated disruptions. Číst dále >>> Přeložit do en

New way of designing systems against correlated disruptions uses negative probability

Náhled

Until now, systems engineers have struggled with the problem of planning for disaster impacts that are linked by correlation -- like those of earthquakes and tsunamis -- because of the cumbersome calculations necessary to precisely quantify the probabilities of all possible combinations of disruption occurrences. Now researchers have developed a new method for designing and optimizing systems subject to correlated disruptions. Číst dále >>> Přeložit do en

Saturn's rings coat tiny moons

Náhled

New findings have emerged about five tiny moons nestled in and near Saturn's rings. The closest-ever flybys by NASA's Cassini spacecraft reveal that the surfaces of these unusual moons are covered with material from the planet's rings -- and from icy particles blasting out of Saturn's larger moon Enceladus. The work paints a picture of the competing processes shaping these mini-moons. Číst dále >>> Přeložit do en

Saturn's rings coat tiny moons

Náhled

New findings have emerged about five tiny moons nestled in and near Saturn's rings. The closest-ever flybys by NASA's Cassini spacecraft reveal that the surfaces of these unusual moons are covered with material from the planet's rings -- and from icy particles blasting out of Saturn's larger moon Enceladus. The work paints a picture of the competing processes shaping these mini-moons. Číst dále >>> Přeložit do en

New Yorkers brace for self-cloning Asian longhorned tick

Náhled

A new study maps out the increase and spread of the Asian longhorned tick, a new species identified last summer in Westchester and Staten island. What's particularly alarming is that the tick is notorious for its ability to quickly clone itself through asexual reproduction, or reproduce sexually, laying 1,000-2,000 eggs at a time. Číst dále >>> Přeložit do en

How to make self-driving cars safer on roads

Náhled

Researchers tackles a long-standing problem for autonomous vehicle developers: testing the system's perception algorithms, which allow the car to 'understand' what it 'sees.' Číst dále >>> Přeložit do en

Running upright: The minuscule movements that keep us from falling

Náhled

Maybe running comes easy, each stride pleasant and light. Maybe it comes hard, each step a slog to the finish. Either way, the human body is constantly calibrating, making microscopic adjustments to keep us from falling as we weekend-warrior our way to greatness. Číst dále >>> Přeložit do en

Novel study links fetal exposure to nicotine and sudden infant death syndrome

Náhled

In utero exposure to nicotine has postnatal effects on development of the heart and its response to adrenalin and may contribute to explanation of why some babies do not wake up during sleep apnea, according to a new study. Číst dále >>> Přeložit do en

Nanovaccine boosts immunity in sufferers of metabolic syndrome

Náhled

A new class of biomaterial developed by researchers for an infectious disease nanovaccine effectively boosted immunity in mice with metabolic disorders linked to gut bacteria -- a population that shows resistance to traditional flu and polio vaccines. Číst dále >>> Přeložit do en

Cancer prevention drug also disables H. pylori bacterium

Náhled

A medicine currently being tested as a chemoprevention agent for multiple types of cancer has more than one trick in its bag when it comes to preventing stomach cancer, researchers have discovered. Číst dále >>> Přeložit do en

Strana: 1/ 14 Celkem nalezeno 135 záznamů.

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