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Radio waves determine the meteorological services
The United Nations' World Meteorological Organization (WMO) warned on the use of growing radio frequency bands from wireless technology and other applications that c…
Frequency
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Articles about Frequency
298 published items.
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Manufacturing equipment to convert laser light into frequency signals
Researchers working at Purdue University, USA, National Institute of Standards and Technology (NIST), have created a device small enough to mount on computer chips, whic…
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Monitor the breath with the radio transceiver
The system consists of a network of wireless radios that are widely available on the market lining the sides, ends and ends of patients' beds.
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Device to adjust sound in the direction
Researchers at the California Institute of Technology (Caltech), USA, have successfully built the first audio diode device, a device that adjusts sound waves in one dire…
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Exploiting energy from the air environment
Scientists at the School of Electrical and Computer Engineering, Georgia Institute of Technology, USA, discovered a way to capture and exploit energy transmitted through…
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The 'paper' antenna collects energy around it
Scientists at Georgia Tech have created a printed or plastic antenna that can collect energy around them for small electronic devices.
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Radar Detectors help detect suicide bombers
Police radars, used to detect cars moving at high speeds, can help identify suicide bombers in the crowd.
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Future energy source from infrared rays
While using plates that absorb sunlight to convert them into energy, researchers at the Idaho National Laboratory have experimented with a new way of collecting: using i…
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Chasing criminals by microwave waves
Radiation energy is often used in microwave ovens for heating food. Recently, Eureka Aerospace of the United States has created a device that uses this energy to pursue…
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Window noise collection
The sound of the aircraft flying away, the traffic or the noise of the dance floor often caused residents of the area to be irritated. But now, the first windows with is…
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Wireless charger
The entanglement of wires and sockets every time the electronic devices are charged may soon fall back into the past as US researchers at the Massachusetts Institute of…
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New type detector detects weapons in humans
A new generation high-frequency radio scanner will provide greater support for airports and railroad security, thanks to the ability to automatically detect daggers or h…
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Micro robot for surgery
A micro robot can be injected into the body through a syringe that will be used by physicians to analyze health conditions, administer drugs, or perform surgery in very…