News tagged with logic gates

Training cells to perform boolean functions? It's logical

(Phys.org) -- Johns Hopkins scientists have engineered cells that behave like AND and OR Boolean logic gates, producing an output based on one or more unique inputs. This feat, published in the May issue of ...

Chemistry / Biochemistry

created May 31, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Scientists work up a crab-powered computer

(Phys.org) -- A team of scientists from Japan and England have hit the high mark in exploring and testing unconventional forms of computation. They have built and tested a computer using crabs. This is a computer ...

Biology / Plants & Animals

created Apr 14, 2012 | popularity 4.4 / 5 (9) | comments 12 | with audio podcast weblog

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Physics / Quantum Physics

created Mar 06, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Researchers develop better control for DNA-based computations

A North Carolina State University chemist has found a way to give DNA-based computing better control over logic operations. His work could lead to interfacing DNA-based computing with traditional silicon-based computing.

Chemistry / Biochemistry

created Feb 17, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

'Noise' tunes logic circuit made from virus genes

In the world of engineering, "noise" – random fluctuations from environmental sources such as heat – is generally a bad thing. In electronic circuits, it is unavoidable, and as circuits get smaller and smaller, ...

Physics / General Physics

created Nov 08, 2011 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Scientists create computing building blocks from bacteria and DNA

Scientists have successfully demonstrated that they can build some of the basic components for digital devices out of bacteria and DNA, which could pave the way for a new generation of biological computing ...

Biology / Biotechnology

created Oct 18, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Optical circuit enables new approach to quantum technologies

Professor Jeremy O'Brien, Director of the University of Bristol's Centre for Quantum Photonics, and his Japanese colleagues have demonstrated a quantum logic gate acting on four particles of light -- photons. The researchers ...

Physics / Quantum Physics

created Jun 24, 2011 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast

Largest biochemical circuit built out of small synthetic DNA molecules

In many ways, life is like a computer. An organism's genome is the software that tells the cellular and molecular machinery—the hardware—what to do. But instead of electronic circuitry, life relies ...

Nanotechnology / Nanophysics

created Jun 02, 2011 | popularity 4.9 / 5 (8) | comments 5 | with audio podcast

Team develops 'logic gates' to program bacteria as computers

A team of UCSF researchers has engineered E. coli with the key molecular circuitry that will enable genetic engineers to program cells to communicate and perform computations.

Chemistry / Biochemistry

created Dec 08, 2010 | popularity 4.9 / 5 (8) | comments 9 | with audio podcast

Physicists demonstrate teleportation-based optical quantum entangling gate

(PhysOrg.com) -- Taking a step toward the realization of futuristic quantum technologies, a team of physicists from China and Germany has demonstrated a key element – an entangling gate – of a quantum ...

Physics / Quantum Physics

created Dec 08, 2010 | popularity 4.6 / 5 (23) | comments 8 | with audio podcast feature

'Chaogates' hold promise for the semiconductor industry

In a move that holds great significance for the semiconductor industry, a team of researchers has created an alternative to conventional logic gates, demonstrated them in silicon, and dubbed them "chaogates." The researchers ...

Physics / General Physics

created Nov 16, 2010 | popularity 4.8 / 5 (8) | comments 8 | with audio podcast

Lightweight true random number generators a step closer

The widespread use of true random number generators (TRNGs) has taken a step closer following the creation of the most lightweight designs to date by researchers at Queen's University Belfast's Institute of Electronics, Communications ...

Technology / Computer Sciences

created Sep 20, 2010 | popularity 4.9 / 5 (7) | comments 4 | with audio podcast

Mechanical logic gate: Could levers replace transistors?

(PhysOrg.com) -- Back in the Victorian period, Charles Babbage created a mechanical computer that made use of levers and cogs to get data moving. These days, though, our computers are mostly run using electronic ...

Physics / General Physics

created Sep 17, 2010 | popularity 4.3 / 5 (16) | comments 16 | with audio podcast weblog

Half-a-loaf method can improve magnetic memories

Chinese scientists have shown that magnetic memory, logic and sensor cells can be made faster and more energy efficient by using an electric, not magnetic, field to flip the magnetization of the sensing layer only about halfway, ...

Physics / General Physics

created Aug 24, 2010 | popularity 5 / 5 (1) | comments 0