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ISSN: 2532-3997    frecuency : 4   format : Electrónica

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Volume 3 Number 2 Year 2019

9 articles in this issue 

Luigi Dei

It is a great honour for me to write these few lines of preface to the special issues of Substantia dedicated to the 150th anniversary of the Periodic Table by Dmitrij Mendeleev. In 2019 there are other important anniversaries besides that of the periodic... see more

Pags. 7 - 8  

Seth Rasmussen

Sustainability and Energy – two fundamental topics that are key to the past, and future, of humanity. Of these two, however, energy has long been the primary focus and the contribution of sustainability has been a secondary concern. Our preoccupation with... see more

Pags. 9 - 11  

Carmen Giunta

The origins and adoption of the units of power and energy watt and joule are examined, along with their relationships to the achievements of their namesakes, James Watt and James Prescott Joule. The watt and joule came about as part of a group of practica... see more

Pags. 13 - 26  

Rudy Michael Baum

Because of the threat of global warming due to the build-up of atmospheric carbon dioxide from burning fossil fuels, energy use is the central factor in creating a sustainable future. Anthropogenic climate change is real, but climate change deniers insist... see more

Pags. 27 - 42  

Seth C Rasmussen

Ethyl alcohol, or ethanol, is one of the most ubiquitous chemical compounds in the history of the chemical sciences. The generation of alcohol via fermentation is also one of the oldest forms of chemical technology, with the production of fermented bevera... see more

Pags. 43 - 55  

Narayanaganesh Balasubramanian, Katherine F Steward

The history of biodiesel dates back to mid-19th century when transesterification of vegetable oils was discovered. It took another half century for the world to realize its potential as fuel. Through the 20th century, two World wars and other regional tur... see more

Pags. 57 - 71  

Christopher L Heth

Portable, readily available electrical energy provided by batteries is ubiquitous in modern society and can easily be taken for granted.  From the early Voltaic piles to modern lithium ion cells, batteries have been powering scientific and technologi... see more

Pags. 77 - 86  

Harold Duane Wallace

Professional and popular journals present fuel cells as the salvation of transportation and electric power infrastructures; the ultimate rechargeable battery. Engineers and investors alike find them attractive as a modern and elegant alternative to other ... see more

Pags. 83 - 97  

Paul C Dastoor, Warwick J Belcher

The history of organic photovoltaics has been characterised by the complex interplay between fundamental research, large scale manufacture and commercialization activities. In addition, the field is highly interdisciplinary; ranging across physics, chemis... see more

Pags. 99 - 110