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Do Causality Violations Initiating a Compactly Generated Cauchy Horizon Require Exotic Matter? (2023)
Book Chapter
Austin, J. (2023). Do Causality Violations Initiating a Compactly Generated Cauchy Horizon Require Exotic Matter?. In Hidden Aspects of Time. Cambridge Scholars Publishing

This short paper summarises the proof that a causality violation formed from a bounded region requires matter that violates the null energy condition. Therefore the answer to the question in the title is yes. This is one of the results on which Steph... Read More about Do Causality Violations Initiating a Compactly Generated Cauchy Horizon Require Exotic Matter?.

Is Mind-Body Physicalism Really Compatible with Modern Physics? (2023)
Book Chapter
Austin, J. (2023). Is Mind-Body Physicalism Really Compatible with Modern Physics?. In Hidden Aspects of Time. Cambridge Scholars Publishing

If we take seriously literal interpretations of quantum theory and general relativity then the question posed in the title is no. This article highlights where incompatibilities arise by considering our experience in the context of modern physics. Im... Read More about Is Mind-Body Physicalism Really Compatible with Modern Physics?.

A Potential Barrier Halting Spherically Symmetric Relativistic Gravitational Collapse (2021)
Book Chapter
Austin, J. C. (2021). A Potential Barrier Halting Spherically Symmetric Relativistic Gravitational Collapse. In Research Trends and Challenges in Physical Science (101-113). BP International. https://doi.org/10.9734/bpi/rtcps/v1/4203f

Discussion: Scholarly discussion on any scientific article or Book or Book chapter is very important for the advancement of science. We strongly suggest all readers and authors to participate in such activities. Comment posting facility is available... Read More about A Potential Barrier Halting Spherically Symmetric Relativistic Gravitational Collapse.

Black hole inconsistencies? (2020)
Working Paper
Austin, J. Black hole inconsistencies?

For large enough astrophysical objects, internal pressures are insufficient to prevent gravitational collapse to sizes smaller than a critical radius where the magnitude of escape velocity is equal to the speed of light. In coordinates natural for di... Read More about Black hole inconsistencies?.

Defect detection in reinforced concrete using random neural architectures (2013)
Journal Article
Butcher, J., Day, C., Austin, J., Haycock, P., Verstraeten, D., & Schrauwen, B. (2014). Defect detection in reinforced concrete using random neural architectures. Computer-Aided Civil and Infrastructure Engineering, 29(3), 191-207. https://doi.org/10.1111/mice.12039

Detecting defects within reinforced concrete is vital to the safety and durability of our built infrastructure upon which we heavily rely. In this work a non-invasive technique, ElectroMagnetic Anomaly Detection (EMAD), is used which provides informa... Read More about Defect detection in reinforced concrete using random neural architectures.

Requirements for commercial X-ray element-specific imaging technology (2011)
Journal Article
Austin, J. (2011). Requirements for commercial X-ray element-specific imaging technology. Insight - Non-Destructive Testing & Condition Monitoring, 53(3), 127 - 131. https://doi.org/10.1784/insi.2011.53.3.127

Analysis of the composition of material samples nondestructively by means of standard X-ray tube imaging is extremely challenging due to the breadth of the bremsstrahlung spectrum, resulting from mono-energetic electrons striking a thick tungsten tar... Read More about Requirements for commercial X-ray element-specific imaging technology.

Comparison method to differentiate between painted objects using polychromatic X-rays (2010)
Journal Article
Austin, J. C., Day, C. R., Kearon, A. T., Evans, D. L., & Haycock, P. W. (2010). Comparison method to differentiate between painted objects using polychromatic X-rays. Insight - Non-Destructive Testing & Condition Monitoring, 52(3), 140-143. https://doi.org/10.1784/insi.2010.52.3.140

X-radiography using the bremsstrahlung of a commercial broad spectrum X-ray source was used to quantify the differences and relationships between complex samples of unknown composition. The samples examined were painted and glazed ceramic mugs. The r... Read More about Comparison method to differentiate between painted objects using polychromatic X-rays.

Single element mapping in radiography (2009)
Journal Article
Austin, J. C., Day, C. R., Kearon, A. T., & Haycock, P. W. (2009). Single element mapping in radiography. X-Ray Spectrometry, 38(6), 492-504. https://doi.org/10.1002/xrs.1204

This article reports on the application of element-specific mapping using the Bremsstrahlung of a commercial broad spectrum X-ray source to map lighter elements (zirconium to tin) and heavier elements (tantalum to bismuth) individually within an imag... Read More about Single element mapping in radiography.

Element-specific determination of X-ray transmission signatures using neural networks (2009)
Journal Article
Day, C. R., Austin, J. C., Butcher, J. B., Haycock, P. W., & Kearon, A. T. (2009). Element-specific determination of X-ray transmission signatures using neural networks. NDT and E International, 42(5), 446-451. https://doi.org/10.1016/j.ndteint.2009.02.005

In this article, we report on the application of neural networks to the problem of making an element-specific determination of unknown metal targets based on the characteristics of their transmitted X-ray signatures. Our method was applied to two gro... Read More about Element-specific determination of X-ray transmission signatures using neural networks.

Using polychromatic X-radiography to examine realistic imitation firearms (2008)
Journal Article
Austin, J., Day, C., Kearon, A., Valussi, S., & Haycock, P. (2008). Using polychromatic X-radiography to examine realistic imitation firearms. Forensic Science International, 191(1-3), 26-31. https://doi.org/10.1016/j.forsciint.2008.08.007

Sections 36–41 of the Violent Crimes Reduction Act (2006), which came into force in England and Wales on 1st October 2007, have placed significant restrictions on the sale and possession of ‘realistic imitation firearms’. This legislation attempts to... Read More about Using polychromatic X-radiography to examine realistic imitation firearms.

Characterisation of metallic powder impregnated pastes using polychromatic X-radiography (2008)
Journal Article
Austin, J. C., Day, C. R., Kearon, A. T., Valussi, S., & Haycock, P. W. (2008). Characterisation of metallic powder impregnated pastes using polychromatic X-radiography. Insight - Non-Destructive Testing & Condition Monitoring, 50(10), 550-553. https://doi.org/10.1784/insi.2008.50.10.550

This article reports on the employment of X-radiography using the bremsstrahlung of a commercial broad-spectrum X-ray source to quantify the differences and relationships between complex materials of unknown composition. The materials examined were m... Read More about Characterisation of metallic powder impregnated pastes using polychromatic X-radiography.

Some effects of the initiator on the cationic polymerization of alkenes (2008)
Journal Article
Plesch, P. H., & Austin, J. C. (2008). Some effects of the initiator on the cationic polymerization of alkenes. Journal of Polymer Science Part A: Polymer Chemistry, 46(13), 4265-4284. https://doi.org/10.1002/pola.22667

The content of this article is indicated by what could be its full title: “An Explanation of the dependence of the rate of the cationic polymerizations of alkenes and of the DP of their products, on the reaction variables, especially the size of the... Read More about Some effects of the initiator on the cationic polymerization of alkenes.

A coarse-grained spectral signature generator (2007)
Conference Proceeding
Lam, K., Austin, J., & Day, C. (2007). A coarse-grained spectral signature generator. . https://doi.org/10.1117/12.736723

This paper investigates the method for object fingerprinting in the context of element specific x-ray imaging. In particular, the use of spectral descriptors that are illumination invariant and viewpoint independent for pattern identification was exa... Read More about A coarse-grained spectral signature generator.

Time series analysis of homoclinic nonlinear systems using a wavelet transform method (2004)
Journal Article
Austin, J. C., & Healey, J. J. (2004). Time series analysis of homoclinic nonlinear systems using a wavelet transform method. Fluid Dynamics Research, 34(6), Article 401. https://doi.org/10.1016/j.fluiddyn.2004.03.002

Homoclinic (and heteroclinic) trajectories are closed paths in phase space that connect one or more saddle points. They play an important role in the study of dynamical systems and are associated with the creation/destruction of limit cycles as a par... Read More about Time series analysis of homoclinic nonlinear systems using a wavelet transform method.

Broad spectrum element-specific X-ray imaging (2003)
Journal Article
Austin, J., Pitt, K., Haycock, P., Heywood, B., George, S., & Liddle, J. (2004). Broad spectrum element-specific X-ray imaging. NDT and E International, 37(3), 229-236. https://doi.org/10.1016/j.ndteint.2003.09.012

In this article element-specific mapping using a broad-spectrum laboratory based X-ray source is reported. Element-specific and element-exempt images of silver nitrate and di-hydrated barium chloride have been obtained from raw images collected eithe... Read More about Broad spectrum element-specific X-ray imaging.

X-ray images of defect formation in porcelain ceramics during drying (2003)
Journal Article
Potter, A., Austin, J., Ormerod, R., Haycock, P., Heywood, B., & George, S. (2003). X-ray images of defect formation in porcelain ceramics during drying. NDT and E International, 36(2), 77-83. https://doi.org/10.1016/S0963-8695%2802%2900088-9

The drying phase during the manufacture of ceramic pieces is often the point of failure owing to the formation of cracks. In this study, non-destructive microfocus X-ray imaging has been employed to study the onset of cracking in porcelain and correl... Read More about X-ray images of defect formation in porcelain ceramics during drying.

Ceramic fuel cells to replace metal burners (2001)
Journal Article
Kendall, K., Finnerty, C., Austin, J., & Alston, T. (2001). Ceramic fuel cells to replace metal burners. Journal of Materials Science, 36, 1119–1124. https://doi.org/10.1023/A%3A1004869522984

Global warming is thought to result from emissions largely caused by combustion reactions. Designs of burners and specifications of their materials are therefore of primary importance in restraining the warming phenomena. This paper proposes a new ty... Read More about Ceramic fuel cells to replace metal burners.

The detection of structural transformations in kaolin suspensions by ultrasound (1999)
Journal Article
Austin, J. C., & Challis, R. E. (1999). The detection of structural transformations in kaolin suspensions by ultrasound. Journal of Colloid and Interface Science, 220(1), 6-12. https://doi.org/10.1006/jcis.1999.6488

Thefractal dimension of kaolin flocs suspended in water was increased by the addition of potassium chloride and indirectly monitored by low-power ultrasonic pulses in a test cell with a “pitch-catch” configuration. The results from these measurements... Read More about The detection of structural transformations in kaolin suspensions by ultrasound.