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"Breaking"
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Atomic habits : tiny changes, remarkable results : an easy & proven way to build good habits & break bad ones
James Clear, an expert on habit formation, reveals practical strategies that will teach you how to form good habits, break bad ones, and master the tiny behaviors that lead to remarkable results. He draws on proven ideas from biology, psychology, and neuroscience to create an easy-to-understand guide for making good habits inevitable and bad habits impossible.
BOOK
Growth Rate and Energy Dissipation in Wind‐Forced Breaking Waves
We investigate the energy growth and dissipation of wind‐forced breaking waves at high wind speed using direct numerical simulations of the coupled air–water Navier–Stokes equations. A turbulent wind boundary layer drives the growth of a pre‐existing narrowband wave field until it breaks, transferring energy into the water column. Under sustained wind forcing, the wave field resumes growth. We separately analyze energy transfers during wave growth and breaking‐induced dissipation. Energy transfers are dominated by pressure input during growth and turbulent dissipation during breaking. Wind input during growth is balanced with dissipation during breaking over an entire growing‐breaking cycle. The wave growth rate scales with u∗/c2${\\left({u}_{\\ast }/c\\right)}^{2}$ , modulated by the wave steepness due to sheltering, and the energy dissipation follows the inertial scaling with wave slope at breaking, confirming the universality of the process. Following breaking, near‐surface vertical turbulence dissipation profiles scale as z−1${z}^{-1}$ , with their magnitude controlled by the breaking‐induced dissipation.
Journal Article
879 Anxiety in women attending for outpatient colposcopy procedures : a prospective observational study
Introduction/BackgroundColposcopy has undeniable significance in women’s healthcare, however the entire process is frequently associated with high levels of stress and anxiety for patients. Colposcopy is a fairly unique circumstance due to the intimate nature of the examination and the association with cancer. It is associated with fear, stress and a loss of control. In comparison to other medical procedures, women experience a higher level of anxiety when attending colposcopy than when they are attending for cardiac surgery.There has been some impactful interventions to reduce anxiety for women, but more work is needed. One of the first steps is understanding the patients perception.MethodologyOn arrival to the outpatient department, all women who attend for colposcopy where invited to complete a questionnaire that contained the state trait anxiety index (STAI) score prior to any medical consultation taking place.Demographic data includes age range, previous attendances at colposcopy and if women understand what happens at a colposcopy appointment.ResultsPreliminary data suggests that women experience high levels of anxiety when attending for colposcopy.Data collection is ongoing and will be completed by January 2023 in a high volume tertiary centre. Aim n=100.Statisical analysis will be performed on data to determine if there are any statistical differences in the patient demographics.ConclusionPreliminary data confirms that women experience significantly high levels of anxiety when attending for colposcopy. As colposcopy is so important in prevention of cervical cancer, it is of utmost importance that we understand womens perception in order to develop meaningful interventions. Anxiety may vary with different demographics and clinicians can modify interventions to allow for individualistic care for patients.
Journal Article
Estimates of the Breaking Strength Parameter for Individual Oceanic Whitecaps
The purpose of this study is to present the first estimates of the breaking strength parameter, b$b$ , for individual oceanic whitecaps. This is achieved by combining the estimates of the dissipation rate per unit breaking crest length for these whitecaps reported in Callaghan et al. (2024, ) with a measure of the whitecap breaking wave speed to implement the Duncan (1981, ) relationship. The resulting values of b$b$span the range of previously reported laboratory values. Moreover, average values of b$b$are in excellent agreement with previous field‐derived average values using different approaches. The results suggest that making routine estimates of b$b$for individual whitecaps is now possible. This opens up new possibilities for how the fifth moment of Phillips' Λ(c)${\\Lambda }(c)$distribution of breaking wave crests can be better constrained to estimate the total dissipation rate of energy by oceanic whitecaps.
Journal Article
Breaking bad, breaking out, breaking even
\"Breaking Bad is known for its grim and gritty outbursts of anger and violence. In the chaotic story of a meth-dealing high school chemistry teacher, time seems to collapse, and we feel as though the lives of the characters are moving inevitably closer to their ends. This warped perspective wends its way through virtually every aspect of the story, intensifying the meaning we attach to the characters' precarious lives. Hoping to cultivate a deeper understanding of the series, Breaking Bad, Breaking Out, Breaking Even offers a new way of approaching its course though its complex treatment of time. With its grotesque portrayal of life on the brink of death, argues Gertrud Koch, we can best view Breaking Bad as a black comedy between Chaplin's Monsieur Verdoux and film noir. Koch takes readers through the ways in which this is accomplished through the show's various visual elements and masterful temporal and narrative structuring.\"--Publisher's website.
Book
Channel activation of CHSH nonlocality
Quantum channels that break CHSH nonlocality on all input states are known as CHSH-breaking channels. In quantum networks, such channels are useless for distributing correlations that can violate the CHSH Inequality. Motivated by previous work on activation of nonlocality in quantum states, here we demonstrate an analogous activation of CHSH-breaking channels. That is, we show that certain pairs of CHSH-breaking channels are no longer CHSH-breaking when used in combination. We find that this type of activation can emerge in both uni-directional and bi-directional communication scenarios.
Journal Article
Breaking Bad FAQ : all that's left to know about hustlers, bunsen burners, and Heisenberg
Breaking Bad FAQ features a thorough synopsis and analysis of each of the series' 62 episodes, as well as detailed character and cast profiles. In addition, Breaking Bad FAQ provides in-depth information on filming locales, how the show depicts the crystal meth industry, classic films and TV shows that have influenced the series, literary references, the Seinfeld connection, scientific allusions and accuracy, top-10 most disturbing scenes, greatest songs from the soundtrack, homages and parodies, a comprehensive discussion of Better Call Saul , and much more.
BOOK
On the over-production of turbulence beneath surface waves in Reynolds-averaged Navier–Stokes models
In previous computational fluid dynamics studies of breaking waves, there has been a marked tendency to severely over-estimate turbulence levels, both pre- and post-breaking. This problem is most likely related to the previously described (though not sufficiently well recognized) conditional instability of widely used turbulence models when used to close Reynolds-averaged Navier–Stokes (RANS) equations in regions of nearly potential flow with finite strain, resulting in exponential growth of the turbulent kinetic energy and eddy viscosity. While this problem has been known for nearly 20 years, a suitable and fundamentally sound solution has yet to be developed. In this work it is demonstrated that virtually all commonly used two-equation turbulence closure models are unconditionally, rather than conditionally, unstable in such regions. A new formulation of the
$k$
–
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closure is developed which elegantly stabilizes the model in nearly potential flow regions, with modifications remaining passive in sheared flow regions, thus solving this long-standing problem. Computed results involving non-breaking waves demonstrate that the new stabilized closure enables nearly constant form wave propagation over long durations, avoiding the exponential growth of the eddy viscosity and inevitable wave decay exhibited by standard closures. Additional applications on breaking waves demonstrate that the new stabilized model avoids the unphysical generation of pre-breaking turbulence which widely plagues existing closures. The new model is demonstrated to be capable of predicting accurate pre- and post-breaking surface elevations, as well as turbulence and undertow velocity profiles, especially during transition from pre-breaking to the outer surf zone. Results in the inner surf zone are similar to standard closures. Similar methods for formally stabilizing other widely used closure models (
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–
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and
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–
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variants) are likewise developed, and it is recommended that these be utilized in future RANS simulations of surface waves. (In the above
$k$
is the turbulent kinetic energy density,
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is the specific dissipation rate, and
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is the dissipation.)
Journal Article