Metamaterials approach makes better satellite antennas

(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State and Lockheed Martin ...

Two robots to do our dirty work (w/ video)

(PhysOrg.com) -- Today's tale of robots is a double feature. That is right, we are going to look at not one, but two of the bots who are making our lives not only more interesting, but safer. The digital eyes and ears of ...

Intelligent blood bags

(PhysOrg.com) -- Have the blood supplies got too warm? Do they match the patient?s blood group? In the future, these kinds of questions will be answered by intelligent radio nodes attached to blood bags. These radio units ...

Scientists design indoor navigation system for blind

University of Nevada, Reno computer science engineering team Kostas Bekris and Eelke Folmer presented their indoor navigation system for people with visual impairments at two national conferences in the past two weeks. The ...

Power amplifiers for 5G made of gallium nitride

The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...

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