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4,237 Current news from usa
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Agilent aigns agreement to acquire assets from Young In Scientific Co. Ltd.
24-May-2018
Agilent Technologies Inc. announced that it has signed a definitive agreement to acquire the Agilent-related business from Young In Scientific Co. Ltd. YI Scientific is a leading distributor of analytical and scientific instruments in South Korea and a long-time distributor of Agilent instruments ...
How order first appears in liquid crystals
24-May-2018
Liquid crystals undergo a peculiar type of phase change. At a certain temperature, their cigar-shaped molecules go from a disordered jumble to a more orderly arrangement in which they all point more or less in the same direction. LCD televisions take advantage of that phase change to project ...
3D X-rays measure particle movement inside lithium ion batteries
23-May-2018
Lithium ion batteries have come a long way since their introduction in the late 1990s. They're used in many everyday devices, such as laptop computers, mobile phones, and medical devices, as well as automotive and aerospace platforms, and others. However, lithium ion battery performance still can ...
Flexible, highly efficient multimodal energy harvesting
23-May-2018
A 10-fold increase in the ability to harvest mechanical and thermal energy over standard piezoelectric composites may be possible using a piezoelectric ceramic foam supported by a flexible polymer support, according to Penn State researchers. In the search for ways to harvest small amounts of ...
Soft machines
A fast, low-voltage actuator for soft and wearable robotics
23-May-2018
In the world of robotics, soft robots are the new kids on the block. The unique capabilities of these automata are to bend, deform, stretch, twist or squeeze in all the ways that conventional rigid robots cannot. Today, it is easy to envision a world in which humans and robots collaborate -- in ...
A better way to control crystal vibrations
23-May-2018
The vibrational motion of an atom in a crystal propagates to neighboring atoms, which leads to wavelike propagation of the vibrations throughout the crystal. The way in which these natural vibrations travel through the crystalline structure determine fundamental properties of the material. For ...
A green approach to making ammonia could help feed the world
18-May-2018
A UCF research team with collaborators at Virginia Tech have developed a new "green" approach to making ammonia that may help make feeding the rising world population more sustainable. "This new approach can facilitate ammonia production using renewable energy, such as electricity generated from ...
Controlling the properties of graphene transistors using pressure
18-May-2018
A Columbia University-led international team of researchers has developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices. "Graphene is the best ...
Making carbon nanotubes as usable as common plastics
17-May-2018
Northwestern University's Jiaxing Huang is ready to reignite carbon nanotube research. And he's doing so with a common chemical that was once used in household cleaners. By using an inexpensive, already mass produced, simple solvent called cresol, Huang has discovered a way to make disperse ...
No motor, no battery, no problem
17-May-2018
Engineers at Caltech and ETH Zurich have developed robots capable of self-propulsion without using any motors, servos, or power supply. Instead, these first-of-their-kind devices paddle through water as the material they are constructed from deforms with temperature changes. The work blurs the ...
