Thanks to a laser technique that ejects ultra-tiny droplets of metal, it is now possible to print 3-D metal structures—not only simple 'piles' of droplets, but complex overhanging structures, as well, like a helix measuring ...
Materials Science
Oct 30, 2018
1
7
On the outside, a cluster of 55 copper and aluminum atoms looks like a crystal, but chemically, it has the properties of an atom. The heterometallic superatom, which chemists of the Technical University of Munich (TUM) have ...
Materials Science
Sep 26, 2018
2
281
Technological advances in oil and gas well stimulation over the past decade now allow for the production of natural gas from shale gas trapped in rock formations underground. With the sudden increase in the availability of ...
Materials Science
Aug 14, 2018
0
60
High concentrations of heavy metals, like copper and gold, are toxic for most living creatures. This is not the case for the bacterium C. metallidurans, which has found a way to extract valuable trace elements from a compound ...
Materials Science
Feb 1, 2018
0
32
Significant amounts of nickel, lead and copper can dissolve into the water from the water pipes and taps in buildings. This was revealed in the master's thesis of Meri Sipilä, who graduated recently from Aalto University. ...
Environment
Jan 25, 2018
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35
Electronic devices are getting smaller and smaller. Early computers filled entire rooms. Today you can hold one in the palm of your hand. Now the field of molecular electronics is taking miniaturization to the next level. ...
Materials Science
Jan 17, 2018
0
6
A team of Empa scientists has developed a biosensor which allows them to detect elevated concentrations of copper in a simple, quick and economic way. Copper, like other heavy metals is problematic in high concentrations, ...
Analytical Chemistry
Oct 3, 2017
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4
Copper has long been known for its ability to kill bacteria and other microbes.
Biochemistry
Jul 24, 2017
0
4
The measured mass of electrons in solids is always larger than the value predicted by theory. The reason for this is that theoretical calculations do not account properly for various interactions with other electrons or lattice ...
General Physics
May 1, 2017
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26
(Phys.org)—A family of enzymes known as heme-copper oxidases (HCOs) plays a pivotal role in the reduction of oxygen into water during cellular respiration. One mystery surrounding heme-copper oxidases is why the non-heme ...
