Many current wireless communication, imaging and sensing technologies rely on components that convert oscillating electric ...
A new, miniature laser source developed by applied physicists in the Harvard John A. Paulson School of Engineering and ...
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Hall rectenna detects signals across a 100 GHz bandwidth, study says
A research team has built a Hall rectenna based on the type-II Weyl semimetal NbIrTe4 that, according to a study in Nature ...
Sound can be represented with both analog or digital audio signals. Analog audio signals use electrical voltage levels. Different types of transducers convert sound to electrical signals and ...
A software-defined radio (SDR) uses a general-purpose computer processor to perform aspects of digital signal processing in place of analog circuit hardware. This allows for greater flexibility in ...
The disc-shaped resonator measures less than 2 centimeters across, yet the innocuous device is eavesdropping on spacetime. It’s a newly built acoustic wave resonator, and in its first 153 days of ...
A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.
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