Power/Performance Bits: Nov. 21


Greener greenhouses Researchers at the University of California, Santa Cruz are testing greenhouses capable of generating some of their own energy, without hampering plant growth. Greenhouses use electricity to control temperature and power fans, lights, and other monitoring systems. Electricity-generating solar greenhouses utilize Wavelength-Selective Photovoltaic Systems (WSPVs), a novel ... » read more

Power/Performance Bits: Sept. 26


Long-range communication Researchers at the University of Washington developed devices that run on almost zero power can transmit data across distances of up to 2.8 kilometers. The long-range backscatter system, which uses reflected radio signals to transmit data at extremely low power, achieved reliable coverage throughout 4800-square-foot house, an office area covering 41 rooms and a one-acr... » read more

System Bits: Sept. 5


Reducing power consumption of datacenter caches As is commonly understood, most websites store data in databases, and since database queries are relatively slow, most sites also maintain so-called cache servers, which list the results of common queries for faster access, researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) reminded. They noted that a data ce... » read more

Power/Performance Bits: July 25


Sodium-ion cathode Researchers at the University of Texas at Dallas and Seoul National University developed a manganese and sodium-ion-based cathode material they hope could lead to lower-cost rechargeable batteries. In a typical lithium-ion battery, the cathode is made of lithium, cobalt, nickel and oxygen. "Lithium is a more expensive, limited resource that must be mined from just a fe... » read more

Power/Performance Bits: July 11


3D chip integrates computing, storage Researchers at Stanford University and MIT developed a prototype 3D chip that integrates computation and data storage, based on carbon nanotubes and resistive RAM (RRAM) cells. The researchers integrated over 1 million RRAM cells and 2 million carbon nanotube FETs, making what the team says is the most complex nanoelectronic system ever made with emergi... » read more

System Bits: June 6


Silicon nanosheet-based builds 5nm transistor To enable the manufacturing of 5nm chips, IBM, GLOBALFOUNDRIES, Samsung, and equipment suppliers have developed what they say is an industry-first process to build 5nm silicon nanosheet transistors. This development comes less than two years since developing a 7nm test node chip with 20 billion transistors. Now, they’ve paved the way for 30 billi... » read more

System Bits: Aug. 30


Probing photon-electron interactions According to Rice University researchers, where light and matter intersect, the world illuminates; where they interact so strongly that they become one, they illuminate a world of new physics. Here, the team is closing in on a way to create a new condensed matter state in which all the electrons in a material act as one by manipulating them with light and a... » read more

Power/Performance Bits: Aug. 23


Connecting implanted devices University of Washington researchers developed a new method for communication between devices such as brain implants, contact lenses, credit cards and smaller wearable electronics with other devices such as smartphones and watches. Using only reflections, an interscatter system requires no specialized equipment, relying solely on mobile devices to generate Wi-... » read more

Power/Performance Bits: April 12


Digital storage in DNA Computer scientists and electrical engineers from University of Washington and Microsoft detailed one of the first complete systems to encode, store and retrieve digital data using DNA molecules, which can store information millions of times more compactly than current archival technologies. Progress in DNA storage has been rapid: in 1999, the state-of-the-art in DN... » read more

System Bits: March 22


How nanocrystal structures self assemble Researchers at MIT and the Cornell High Energy Synchrotron Source (CHESS) have discovered some of the secrets to a long-hidden magic trick behind the self-assembly of nanocrystal structures, the understanding of which could be used to create more vivid display screens and optical sensory devices. The transformation of simple colloidal particles — b... » read more

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