Computing and Electricity

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Now maybe LED lighting will take off in more than just traffic lights and gadgets.

We've Finally Figured Out What Makes LED Bulbs So Inefficient

http://www.popsci.com/science/article/2013-04/why-your-led-bulbs-give-terrible-light?src=SOC&dom=fb

Q&A: Hacker Historian George Dyson Sits Down With Wired's Kevin Kelly | Wired Magazine

<img alt="Photo: Joe Pugliese" src="/magazine/wp-content/images/20-03/ff_dysonqa_f.jpg" title="Feature" width="660"/> Photo: Joe Pugliese The two most powerful technologies of the 20th century—the nuclear bomb and the computer—were invented at the same time and by the same group of young people. http://www.wired.com/magazine/2012/02/ff_dysonqa/

Video: New Quantum Dot Tech Could Boost Current Optical Fiber Band Tenfold

http://www.popsci.com/science/article/2012-01/video-new-quantum-dot-tech-could-boost-current-optical-fiber-band-tenfold Opening Up New Optical Communications Wavelengths via NICT Current optical communications schemes rely on a narrow 1.55 micron wavelength band of about 10 terahertz, a band in which optical signals can be well controlled and loss of signal/data is fairly low. But to open up optical networks to the high data load of the future, we need to open up the span of available wavelength.
http://electronics.howstuffworks.com/transistor.htm

How Transistors Work"

If cells are the building blocks of life, transistors are the building blocks of the digital revolution. Without transistors, the technological wonders you use every day -- cell phones , computers , cars -- would be vastly different, if they existed at all. Before transistors, product engineers used vacuum tubes and electromechanical switches to complete electrical circuits .

A Tiny Transistor Hooks Up To Individual Proteins In Human Tears

http://www.popsci.com/science/article/2012-01/tiny-transistor-listens-proteins-human-tears Listening to lysozymes with one of the smallest transistors ever made Lysozyme Folding P.G. Collins/UC Irvine Wiretapping an enzyme and listening as it unfolds could shed new light on the way proteins work, allowing researchers to monitor structural changes over a longer period of time than was previously possible. To do it, scientists tethered a nanoscale transistor to a molecule found in human tears. Understanding how proteins fold is a key challenge in biology — making synthetic versions is about much more than their molecular contents.
The answer was 8 Quantum Computer Courtesy D-Wave Vancouver-based quantum computer maker D-Wave Systems is the kind of company that often gets mixed reviews--either kudos for working on the very edge of a new and potentially groundbreaking technology, or dismissal for not exactly delivering the kind of Earth-shattering technology that people were perhaps expecting. Regardless, today D-Wave is marking one in the win column after announcing that it has achieved the world’s largest quantum computation using 84 qubits. A quick quantum computing primer : qubits, or quantum bits, are the basic units of quantum information, comparable to (but quite different from) a classical bit. http://www.popsci.com/science/article/2012-01/largest-ever-quantum-calculation-uses-84-qubits-and-takes-just-270-milliseconds

The Largest-Ever Quantum Calculation Uses 84 Qubits and Takes Just 270 Milliseconds

Double-blinded by the light Entangled Qubits Clusters of entangled qubits allow remote quantum computing to be performed on a remote server, while keeping the contents and results hidden. EQUINOX GRAPHICS When quantum computers eventually reach larger scales , they’ll probably remain pretty precious resources, locked away in research institutions just like our classical supercomputers.

Cloud-Based Quantum Computing Will Allow Secure Calculation on Encrypted Bits

http://www.popsci.com/technology/article/2012-01/future-cloud-based-quantum-computing-will-stay-secure-using-secret-quantum-bits