This paper discusses the challenges and impacts of the luminance calculation method for roadway lighting applications and recommends a novel illuminance calculation method as the most suitable for Roadway Lighting Applications. This change would reduce the costs of roadway lighting design without increasing risks, which will benefit society and the profession. Luminance calculations are complicated and take approximately five times longer than the new illuminance calculation method, provide no additional insight, and result in the same design outcome. This paper makes a comparative study and analyzes both methods using regular comparative assessment and quantitative and qualitative assessments and provides a solution to the over 50-year-old challenge. The quantitative evaluation uses a sample case study and examines its corresponding benefit-cost ratio. The qualitative approach is to complete a survey among the peers and the lighting designers. This is the first paper to address all these parameters of roadway lighting holistically. This paper will be helpful for academics, researchers, scientists, engineers, consultants, architects, lighting designers, contractors, developers, financial institutions, and government agencies funding outdoor lighting.

The study aims to compare the English translation of Thirukkural by G. U. Pope with other translations and identify his ontological and epistemological contribution to the Tamil language and literature. Though Language provides the ability to imagine and interpret the text, linguistic untranslatability often arises due to the problem of symbolic meaning. A word could have different kinds of meaning through its etymology and association. While all translators are not creative writers, their suggestions of words could always be diverse. But a translator's job is to reactivate the text from the active one. Many problems and deficiencies in translation need more attention. Language has its history, culture, heritage, and tradition and is a communication tool and a living guide for human beings. A poor translation can lead to confusion when most native ideas are unfamiliar to foreign translators. Therefore, it perishes the text's originality when translated into a foreign language. This research paper is a deep comparative and comprehensive analysis of the reinvention of Thirukkural by G. U. Pope with three other translators at different times. The translation may have many shortcomings based on the translator's knowledge of the source and target languages and ontological and epistemological approaches to handling the translation without compromising the original meaning of the source text. It is complex and difficult to assess or reach a consensus since each translator's knowledge level and understanding of the subject matter differ. The comparative assessment uses various tools to evaluate the quality of the translation. This paper makes a comprehensive study to find the best Thirukkural translation using the CUTER assessments, BATMAN assessments of the source language, and SAFEMAN assessments of the target language and bring light to translation challenges. The source and target language assessments bring significant findings that benefit society and future translators. This is the first research paper to address all these parameters comprehensively. Therefore, this research finding is historical and ground-breaking in translation, culture, and linguistics education. This paper will help researchers, translators, linguistics, educators, students, educational institutions, and society.

Outdoor lighting (OL) is essential for safety, security, mobility, and nighttime economic activity; however, inappropriate use of artificial light at night contributes to light pollution, ecological disruption, energy waste, and adverse health effects. The widely adopted IDA/IES Five Principles for Responsible Outdoor Lighting provide valuable conceptual guidance but remain predominantly qualitative, offering limited operational specificity, measurable performance criteria, or structured implementation methods. This study identifies a critical gap between responsible-lighting principles and engineering practice, particularly the absence of explicit consideration of user requirements, performance verification, and a repeatable design methodology. To address this gap, a performance-based seven-question framework—Why, Who, Where, How Much (level), What (spectrum), When, and How—is developed and integrated with measurable photometric, spectral, spatial, angular, temporal, and validation parameters. The framework is demonstrated through a real-world parking-lot lighting case study that incorporates Eye Corneal Illuminance (ECI), Spectral Power Distribution (SPD), Equivalent Melanopic Lux (EML), photon exposure, adaptive dimming, and post-installation validation principles. Quantitative assessment showed substantial reductions in residential light exposure, including bedroom-window ECI of 0.9 lux, melanopic exposure of 0.35 melanopic lux, estimated melatonin suppression below 1.83%, and potential energy savings of 25–42% under adaptive-control scenarios while maintaining required lighting performance. The principal contribution of this research is the transformation of responsible outdoor lighting from a qualitative set of principles into a measurable, reproducible, and verifiable engineering workflow. The proposed framework provides lighting designers, municipalities, and standards bodies with a practical pathway for evaluating, comparing, optimizing, and validating environmental, visual, energy, and human-centric lighting outcomes, thereby advancing responsible outdoor lighting toward an evidence-based performance paradigm.