Imagine a room with several people in it, all talking at the same time. With everyone competing to speak, it's hard to hear any one person clearly. Wireless networks, being a shared medium, struggle with a similar problem ...
Telecom
Dec 17, 2013
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(Phys.org) —Fluorescence imaging is the most widely used method for analyzing the molecular composition of biological specimens. Target molecules, when they are present, can be "tagged" with a fluorescent label and made ...
Optics & Photonics
Sep 27, 2013
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Human embryonic stem cells (hESCs) retain the ability to form any cell type in the body. They do this thanks to the interplay of many proteins, including one involved in cell signaling known as extracellular signal-regulated ...
Cell & Microbiology
Sep 25, 2013
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Tiny solar cells applied directly to a silicon chip are a potential way of efficiently and reliably powering wireless sensor networks in the future. Above all, this would simplify large-scale applications, for instance in ...
Engineering
Sep 2, 2013
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(Phys.org) —Sunlight absorbed by organic solar cells must first navigate a nanoscale gauntlet before becoming useable electricity. After hitting the light-absorbing material of the solar cell, called the photoactive layer, ...
Nanophysics
Sep 2, 2013
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A telecommunications security research group at the Technical University of Berlin earlier this month told an audience at the 22nd USENIX Security Symposium that they were able to hack phones by modifying embedded software. ...
A new technology could help manage a potential data tsunami that might otherwise drastically restrict the use of smartphones, tablets and other wireless data technologies because of a nationwide mobile wireless broadband ...
Telecom
Aug 27, 2013
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By creating a powerful new gene regulation system called CRISPR-on, Whitehead Institute researchers now have the ability to increase the expression of multiple genes simultaneously and precisely manipulate each gene's expression ...
Biotechnology
Aug 27, 2013
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Global demand for renewable energy sources has created a burgeoning manufacturing sector for bespoke light-emitting diodes and solar cells. Europe needs to capitalise on this transition from mass production to more personalised, ...
Energy & Green Tech
Aug 26, 2013
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(Phys.org) —A Stanford University bioengineer has helped develop a technology that can tweak the control systems that regulate the inner workings of cells, pointing the way toward future medical interventions that could ...
Cell & Microbiology
Aug 16, 2013
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