Clock coordination

Article Abstract:

Studies are conducted on the fruitfly Drosophila melanogaster to determine whether the morning (M) and evening (E) oscillators in the central nervous systems' internal clocks mutually influence each other to arrive at a constant phase relationship or if the M oscillator controls the E oscillator. Results reveal that the overall peak-to-peak period of E is the same as that of M, suggesting that the M oscillator resets the E oscillator once a day and E free-runs with its own faster intrinsic period between the resets.

Behavior, Central nervous system, Drosophila

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Nano-oscillators get it together

Article Abstract:

New approaches to spin-based electronics using mechanical nano-oscillators are proposed and spin-torque effects are also discovered in nanoscale magnetic multilayers allowing steady microwave power to be generated to a direct current. It creates the potential for probing synchronization and chaos at the nanoscale, an active field of research in applied mathematics and neuroscience.

Observations, Nanotechnology, Spin labeling

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Coherent signal amplification in bistable nanomechanical oscillators by stochastic resonance

Article Abstract:

The observation of stochastic resonance in bistable nanomechanical silicon oscillators is reported. Observations suggest that the addition of white noise causes a marked amplification of the signal strength.

Analysis, Noise, Noise (Sound), Stochastic systems

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