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Top Technology News -- ScienceDaily

Top stories featured on ScienceDaily's Space & Time, Matter & Energy, and Computers & Math sections.
  • Non-precious metal nanoparticles could one day replace expensive catalysts for hydrogen production. However, it is often difficult to determine what reaction rates they can achieve, especially when it comes to oxide particles. This is because the particles must be attached to the electrode using a binder and conductive additives, which distort the results. With the aid of electrochemical analyses of individual particles, researchers have now succeeded in determining the activity and substance conversion of nanocatalysts made from cobalt iron oxide -- without any binders.

  • Unlike flawless gems, fibrous diamonds often contain small saline inclusions. These give hints to scientists about the conditions under which diamonds are formed deep in the Earth's mantle. A research team has now solved the puzzle of the formation of these inclusions by simulating conditions of extreme heat and pressure in the laboratory.

  • Computer vision researchers have demonstrated they can use special light sources and sensors to see around corners or through gauzy filters, enabling them to reconstruct the shapes of unseen objects. The researchers said this technique enables them to reconstruct images in great detail, including the relief of George Washington's profile on a US quarter.

  • The first step a team took in addressing a challenge in lower-body prosthetics was coming to understand the way people with two legs catch themselves, accomplished by covering test subjects with motion-capturing sensors.

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