Consolidating ‘traditional methods’ of public order policing: the response of the Home Office and the Metropolitan Police to mass demonstrations in 1968

This article examines the response of the Home Office and the Metropolitan Police to mass demonstrations in 1968. Using a variety of contemporaneous sources, including underused archival material, documents released through freedom of information requests, and evidence disclosed as part of the ongoing Undercover Policing Inquiry (UCPI), it shows how the experience of mass demonstrations that year, which came against the backdrop of widespread international protest, prompted significant developments in terms of crowd control tactics, covert intelligence gathering practices and the use of new technology to enable greater command and control over police resources. Taken together, these measures represented a permanent change to the public order capacity of the Metropolitan Police, providing a model that was gradually exported to other forces across England and Wales with the encouragement of the Home Office. However, despite the significant changes introduced in 1968, this article shows how police officers, civil servants, and politicians emphasised the continuation of ‘traditional methods’, a term that functioned as a way of situating public order policing within an idealised image of a uniquely English policing tradition, with an appeal to historical continuity that aimed to convey legitimacy and construct consent

Near-ionization-threshold emission in atomic gases driven by intense sub-cycle pulses

We study theoretically the dipole radiation of a hydrogen atom driven by an intense sub-cycle pulse. The time-dependent Schr\"odinger equation for the system is solved by ab initio calculation to obtain the dipole response. Remarkably, a narrowband emission lasting longer than the driving pulse appears at a frequency just above the ionization threshold. An additional calculation using the strong field approximation also recovers this emission, which suggests that it corresponds to the oscillation of nearly-bound electrons that behave similarly to Rydberg electrons. The predicted phenomenon is unique to ultrashort driving pulses but not specific to any particular atomic structure.Comment: 8 pages, 2 figure

Evaluating deterrents of illegal behaviour in conservation: Carnivore killing in rural Taiwan

Rules restricting resource use are ubiquitous to conservation. Recent increases in poaching of iconic species such as African elephant and rhino have triggered high-profile interest in enforcement. Previous studies have used economic models to explore how the probability and severity of sanctions influence poacher-behaviour. Yet despite evidence that compliance can be substantial when the threat of state-imposed sanctions is low and profits high, few have explored other factors deterring rule-breaking. We use the randomised response technique (RRT) and direct questions to estimate the proportion of rural residents in north-western Taiwan illegally killing wildlife. We then model how potential sources of deterrence: perceived probabilities of detection and punishment, social norms and self-imposed guilt, relate to non-compliant behaviour (reported via RRT). The perceived likelihood of being punished and two types of social norms (injunctive and descriptive) predict behaviour and deter rule-breaking. Harnessing social norms that encourage compliance offers potential for reducing the persecution of threatened species

Image Analysis Using Gabor Transforms: Correlated with Human Saccadic Movement Data to Identify the Human Visual Search Strategy

This thesis investigated whether a relationship exists between the Gabor Correlation Coefficient (GCC) magnitudes of fixation points for a set of images viewed by six subjects and the human visual search strategy. A couple of different relationships were investigated. First, the data were analyzed to determine if the GCC magnitudes of human fixation points predicted the time ordered sequence of human fixation points during the performance of a visual search. Second, the data were analyzed to determine if there was a significant difference between the GCC magnitudes of the human fixation points and the GCC magnitudes of a random set of fixation points. Finally, the data were analyzed to ascertain whether there was a difference between the GCC magnitudes of the fixation points at the beginning of the visual search and the GCC magnitudes of the fixation points at the end of the visual search

Robbins, Belton and Ross: Reconsideration of Bright Line Rules for Warrantless Container Searches

This Note analyzes the development of these warrantless container search and seizure exceptions to furnish a comprehensive review of their justifications. The major focus is on the underlying rationale of Belton and Ross and the possible ramifications of such far-reaching warrant exceptions. The Note recommends that state courts interpret their state constitutions to allow the less drastic alternative of warrantless seizures of certain containers rather than warrantless searches as permitted by Belton and Ross under the federal Constitution. In addition, an analytic methodology for isolating interrelated yet distinct search and seizure questions is proposed. Initially, a general background of fourth amendment jurisprudence is set forth to illustrate the Court\u27s continuous struggle with search and seizure problems

The glia response after peripheral nerve injury: A comparison between Schwann cells and olfactory ensheathing cells and their uses for neural regenerative therapies

The peripheral nervous system (PNS) exhibits a much larger capacity for regeneration than the central nervous system (CNS). One reason for this difference is the difference in glial cell types between the two systems. PNS glia respond rapidly to nerve injury by clearing debris from the injury site, supplying essential growth factors and providing structural support; all of which enhances neuronal regeneration. Thus, transplantation of glial cells from the PNS is a very promising therapy for injuries to both the PNS and the CNS. There are two key types of PNS glia: olfactory ensheathing cells (OECs), which populate the olfactory nerve, and Schwann cells (SCs), which are present in the rest of the PNS. These two glial types share many similar morphological and functional characteristics but also exhibit key differences. The olfactory nerve is constantly turning over throughout life, which means OECs are continuously stimulating neural regeneration, whilst SCs only promote regeneration after direct injury to the PNS. This review presents a comparison between these two PNS systems in respect to normal physiology, developmental anatomy, glial functions and their responses to injury. A thorough understanding of the mechanisms and differences between the two systems is crucial for the development of future therapies using transplantation of peripheral glia to treat neural injuries and/or disease.Griffith Health, School of Nursing and MidwiferyFull Tex

Continuously wavelength-tunable high harmonic generation via soliton dynamics

We report generation of high harmonics in a gas-jet pumped by pulses self-compressed in a He-filled hollow-core photonic crystal fiber through the soliton effect. The gas-jet is placed directly at the fiber output. As the energy increases the ionization-induced soliton blue-shift is transferred to the high harmonics, leading to a emission bands that are continuously tunable from 17 to 45 eV