Elastic Band Oscillator
Elastic Band Oscillator - Related Videos
09:04
Recording Gamma Band Oscillations in Pedunculopontine Nucleus Neurons
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Cited by 3 •
2016
The pedunculopontine nucleus (PPN) is located in the brainstem and its neurons are maximally activated during waking and rapid eye movement (REM) sleep brain states. This work describes the experimental approach to record in vitro gamma band subthreshold membrane oscillation in PPN neurons.
04:19
Recording Gamma Band Oscillations From Pedunculopontine Nucleus Neurons in a Brain Slice
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2025
The video demonstrates the method to record gamma-band oscillations in PPN neurons. Using a sagittal brain section with synaptic blockers in aCSF, it employs positive current pulses via a patch pipette to open calcium channels, inducing crucial subthreshold activity for wakefulness.
02:35
Band Theory
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2020
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands. The energy difference between these bands is known as the band gap. Conductor, Semiconductor,...
09:10
Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Cited by 10 •
2014
Parametric optomechanical excitations have recently been experimentally demonstrated in microfluidic optomechanical resonators by means of optical radiation pressure and stimulated Brillouin scattering. This paper describes the fabrication of these microfluidic resonators along with methodologies for generating and verifying optomechanical oscillations.
02:39
In Vitro Recording of Theta Oscillations in the Mouse Hippocampus
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2025
This video demonstrates the recording of rhythmic neuronal network activity, also known as theta oscillations, in an isolated hippocampus. Electrodes are inserted into various layers and spatial positions to detect and analyze theta oscillations. This shows the unique neuronal compositions and the connectivity of the neuronal network across different layers of the hippocampus.
FAQs
The main departure from ideal simple harmonic motion comes from the elastic band’s force-extension relationship. In a Hooke’s law regime, restoring force changes in a predictable proportional way with extension; an elastic band may not follow that pattern over its full range. Consequently, the period and motion can depend on displacement, making the system useful for studying where idealized models stop matching physical behavior.
During the cycle, displacement stores energy in the elastic band as elastic potential energy. After release, that stored energy converts into kinetic energy as the mass moves, then changes back as the motion continues. Tracking this exchange helps connect the observed back-and-forth movement with conservation and transfer of energy in a mechanical system.
Amplitude describes the extent of the oscillator’s displacement, while damping concerns changes that reduce or alter the motion over repeated cycles. Examining both shows how closely the system follows an idealized oscillation and how its behavior changes in practice. These variables are therefore useful when comparing successive cycles and evaluating energy transfer through the motion.
A basic investigation attaches or suspends a mass from an elastic band, displaces the mass, and releases it. The resulting repeated motion can then be examined for period, amplitude, energy transfer, and damping. Comparing observations at different displacements also helps reveal whether the band behaves consistently with Hooke’s law or exhibits nonlinear behavior.
The central components are an elastic band and a mass that is either attached to or suspended from it. The band provides the elastic response, while the mass makes the resulting oscillatory motion observable. With this arrangement, investigators can focus on repeated cycles and examine how displacement, stored energy, period, and damping characterize the system.
It provides a practical mechanical model for connecting several ideas in oscillation: restoring force, period, amplitude, energy transfer, damping, and the limits of Hooke’s law. Because the band may have a nonlinear force-extension relationship, the system also helps distinguish real mechanical behavior from simple harmonic approximations. This makes it valuable for interpreting both motion and model limitations.