Changing batteries in orbit took some huffing and puffing and some intricate maneuvering by two spacewalkers Friday. But in the end, it went almost as smoothly as doing the chore back on Earth.
Space Exploration
Mar 22, 2019
0
115
Nanoparticles composed of nickel and iron have been found to be more effective and efficient than other, more costly materials when used as catalysts in the production of hydrogen fuel through water electrolysis.
Nanomaterials
Mar 19, 2019
1
900
Unlike conventional robot arms with hinged and swivel joints, new flexible arms being developed by Professor Stefan Seelecke and his research group at Saarland University are constructed using muscles made from shape-memory ...
Robotics
Mar 19, 2019
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13
Additive manufacturing, also called 3-D printing, is commonly used to build complex three-dimensional objects, layer by layer. A*STAR researchers have shown that the process can also help to make a high-performance alloy ...
Engineering
Mar 18, 2019
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7
It can be used to cool or heat the air in a room or to cool or heat liquids. And it looks like something that Q—the tech specialist and gadgeteer in the James Bond films—might have come up with. The prototype device, ...
General Physics
Mar 13, 2019
0
27
Electricity can be generated by renewable sources such as sunlight and wind, then used to split water, which makes hydrogen as a fuel for emerging energy devices such as fuel cells. Because hydrogen is a clean fuel, researchers ...
Materials Science
Feb 28, 2019
4
427
A pair of researchers at Purdue University has found a way to use a diatomic Ni-Ni catalyst to synthesize cyclopentenes. In their paper published in the journal Science, You-Yun Zhou and Christopher Uyeda describe their method ...
Much remains to be learned about how charge moves along the molecules that make up the layers of materials in solar cells. These details have remained hidden because of the challenges of direct, real-time observation of motion ...
Materials Science
Feb 6, 2019
0
5
Scientists of the Far Eastern Federal University (FEFU), together with Russian and foreign colleagues, developed samples of nickel mesoporous film structures, which have a useful surface area up to 400 time greater than their ...
Nanophysics
Jan 23, 2019
0
12
Researchers at Stockholm University have developed a method to multiply the lifespan of nickel-metal hydride batteries. This means that the batteries can handle a great many more charging cycles without losing capacity. The ...
Energy & Green Tech
Dec 21, 2018
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7
