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Mechanical Engineering/Mechanics



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Mechanical Engineering/Mechanics - Administration/Government
11.09.2017
Stick, peel, or bounce: Controlling a freezing droplet's fate
Stick, peel, or bounce: Controlling a freezing droplet’s fate
When freezing droplets impact a surface, they generally either stick to it or bounce away. Controlling this response is crucial to many applications, including 3-D printing, the spraying of some surface coatings, and the prevention of ice formation on structures such as airplane wings, wind turbines, or power lines.
Mechanical Engineering/Mechanics
11.09.2017
A glimpse into a
A glimpse into a "masterpiece of engineering"
Research news More than 125 years ago, Otto Lilienthal laid the foundation for modern aviation with his innovative gliding apparatus, the "Normal Segelapparat". Only four specimens of the gliding apparatus have survived to this day, one of them at home in Deutsches Museum in Munich. Computer tomography investigations carried out by researchers at the Technical University of Munich (TUM) in collaboration with Airbus have for the first time provided a glimpse into the inner workings of the construction design.
Mechanical Engineering/Mechanics - Medicine/Pharmacology
06.09.2017
Determining motor deficits more precisely following a stroke
Determining motor deficits more precisely following a stroke
Research news After a stroke, many people are unable to successfully perform basic hand movements in everyday life. The reason are symptoms of hemiparesis resulting from damage to the brain. These very frequently affect fine motor skills. A team from the Technical University of Munich (TUM) is now paving the way to better diagnosis and more targeted therapy.
Mechanical Engineering/Mechanics - Physics/Materials Science
31.08.2017
Motorised molecules drill into cancer cells
Motorised molecules drill into cancer cells
Motorised molecules driven by light have been used to drill holes in the membranes of individual cells, including cancerous ones. The technique shows promise for either bringing therapeutic agents into the cells or directly inducing the cells to die. Dr Robert Pal at Durham University worked with researchers at Rice and North Carolina State universities in the USA to demonstrate in laboratory tests how rotors in single-molecule nanomachines can be activated by ultraviolet light to spin at two to three million rotations per second and open membranes in cells.
Physics/Materials Science - Mechanical Engineering/Mechanics
23.08.2017
Experiments confirm theory of
Experiments confirm theory of "superballistic" electron flow
When many people try to squeeze through a passageway at the same time, it creates a bottleneck that slows everyone down. It turns out the reverse is true for electrons, which can move through small openings more quickly when travelling in large groups than when flying solo. The theory of so-called superballistic flow predicts that electrons can pass more easily through constrictions by interacting with one another, and thereby "cooperating," than they can individually.
Mechanical Engineering/Mechanics
22.08.2017
Prototype technology for unearthing minefields with fire developed by team
Prototype technology for unearthing minefields with fire developed by team
Engineers have developed prototype technology that uses controlled burning to partially reveal landmines buried in peat soil. The researchers from Imperial College London have developed technology called O-Revealer that ignites peat, causing a smouldering fire that strips the upper layer of soil to reveal the landmines - making it easier to dispose of them.
Life Sciences - Mechanical Engineering/Mechanics
14.06.2017
Using Light to Reach Higher Precision in Cell Mechanic Research
Using Light to Reach Higher Precision in Cell Mechanic Research
Not only muscle cells, but also all other cell types continually generate forces in the human body. An interdisciplinary cooperation of biologists and physicists including Heidelberg researcher Ulrich Schwarz now succeeded in performing high-resolution measurements of cell forces using light to switch them on and off in a controlled manner.
Medicine/Pharmacology - Mechanical Engineering/Mechanics
31.05.2017
Motor neuron disease discovery offers new insights into potential treatment targets
Motor neuron disease discovery offers new insights into potential treatment targets
Scientists have discovered how certain forms of motor neuron disease begin and progress at cellular and molecular levels, revealing potential new ways to slow down or even stop this process. The team are already working closely with pharmaceutical companies to use this knowledge to develop new treatments for motor neuron disease and other neurodegenerative conditions.
Mechanical Engineering/Mechanics - Mathematics
23.05.2017
New way to test self-driving cars could cut 99.9 percent of validation costs
ANN ARBOR?Mobility researchers at the University of Michigan have devised a new way to test autonomous vehicles that bypasses the billions of miles they would need to log for consumers to consider them road-ready. The process, which was developed using data from more than 25 million miles of real-world driving, can cut the time required to evaluate robotic vehicles' handling of potentially dangerous situations by 300 to 100,000 times.
Physics/Materials Science - Mechanical Engineering/Mechanics
17.05.2017
Testing Quantum Technologies
Scientists from Freie Universitšt, University of Innsbruck, University of Cologne, and University of Sydney Developed New Method ‘ 123/2017 from May 17, 2017 Together with colleagues from Germany, Austria, and Australia, scientists from Freie Universitšt Berlin developed a new method for investigating quantum mechanical processes, and they tested their method experimentally.
Mechanical Engineering/Mechanics
11.05.2017
Structure and mechanics of aegagropilae fiber network
Structure and mechanics of aegagropilae fiber network
Abstract Fiber networks encompass a wide range of natural and manmade materials. The threads or filaments from which they are formed span a wide range of length scales: from nanometers, as in biological tissues and bundles of carbon nanotubes, to millimeters, as in paper and insulation materials. The mechanical and thermal behavior of these complex structures depends on both the individual response of the constituent fibers and the density and degree of entanglement of the network.
Physics/Materials Science - Mechanical Engineering/Mechanics
10.05.2017
Unbreakable quantum entanglement
Unbreakable quantum entanglement
Einstein's "spooky action at a distance" persists even at high accelerations, researchers of the Austrian Academy of Sciences and the University of Vienna were able to show in a new experiment. A source of entangled photon pairs was exposed to massive stress: The photons' entanglement survived the drop in a fall tower as well as 30 times the Earth's gravitational acceleration in a centrifuge.
Mechanical Engineering/Mechanics
08.05.2017
Fabrication technology in the fourth dimension
Fabrication technology in the fourth dimension
Scientists use the term 4D printing to refer to the simple production of objects that can transform their shape at different times.
Mechanical Engineering/Mechanics - Physics/Materials Science
11.04.2017
Shoe-string theory: Science shows why shoelaces come untied
Shoe-string theory: Science shows why shoelaces come untied
!- Start of DoubleClick Floodlight Tag: Please do not remove Activity name of this tag: UCB001CP Retargeting URL of the webpage where the tag is expected to be placed: http://unknown This tag must be placed between the A new study by mechanical engineers at UC Berkeley finally shows why your shoelaces may keep coming untied.
Life Sciences - Mechanical Engineering/Mechanics
30.03.2017
Motor Neurons Tell Blood Vessels Where To Go
Motor Neurons Tell Blood Vessels Where To Go
Heidelberg Neuroscientists have identified a critical regulator for blood vessel growth in the developing embryonic spinal cord. The research group under the direction of Dr Carmen Ruiz de Almodůvar of the Heidelberg University Biochemistry Center discovered that special nerve cells known as motor neurons control this process.
Mechanical Engineering/Mechanics - Chemistry
20.03.2017
Light-controlled gearbox for nanomachines
Light-controlled gearbox for nanomachines
Rewarded with a Nobel Prize in Chemistry in 2016, nanomachines provide mechanical work on the smallest of scales.
Mechanical Engineering/Mechanics
07.03.2017
How cracks are hot and cool: a burning issue for paper
How cracks are hot and cool: a burning issue for paper
Abstract Material failure is accompanied by important heat exchange, with extremely high temperature - thousands of degrees - reached at crack tips. Such a temperature may subsequently alter the mechanical properties of stressed solids, and finally facilitate their rupture. Thermal runaway weakening processes could indeed explain stick-slip motions and even be responsible for deep earthquakes.
Physics/Materials Science - Mechanical Engineering/Mechanics
06.02.2017
Stars align in test supporting ‘spooky action at a distance'
Stars align in test supporting ‘spooky action at a distance’
Quantum entanglement may appear to be closer to science fiction than anything in our physical reality. But according to the laws of quantum mechanics - a branch of physics that describes the world at the scale of atoms and subatomic particles - quantum entanglement, which Einstein once skeptically viewed as ‘spooky action at a distance,' is, in fact, real.
Mechanical Engineering/Mechanics - Physics/Materials Science
18.01.2017
Nanoparticles improve melting and solidification for manufacturing processes
Adding nanoscale particles of aluminum oxide increases the depth of the melting zone (MZ) in nickel and decreases the size of the heat-affected zone (HAZ). The bottom right image shows how even at higher temperatures the heat affected zone doesn't grow very large. I n an advance that could lead to improved manufacturing, a new study by UCLA researchers shows that adding nanoparticles to metals during the melting process allows for better control during melting.
Physics/Materials Science - Mechanical Engineering/Mechanics
17.01.2017
Lighting up ultrathin films
Lighting up ultrathin films
Based on a study of the optical properties of novel ultrathin semiconductors, LMU researchers have developed a method for rapid and efficient characterization of these materials. Chemical compounds based on elements that belong to the so-called transition metals can be processed to yield atomically thin two-dimensional crystals consisting of a monolayer of the composite in question.
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