Theory Nexus

Over the past few years, solar photovoltaic (PV) technology has seen a dramatic surge in popularity and usage. Solar PV is a system that uses solar panels to convert sunlight to electricity. It’s an effective, sustainable, and renewable energy source that has numerous benefits, including reducing carbon footprints, utility costs, and dependence on fossil fuels. In this article, we will delve further into the advancements, promise, and challenges associated with solar PV. The Beginnings of Solar Photovoltaics The story of solar photovoltaics dates back to the late 19th century when a French physicist named Alexandre Edmond Becquerel discovered the photovoltaic effect. This discovery paved the way for many scientists, including American Charles Fritts, who built the first solar cell in 1883. The cell was made of selenium-coated sheets of gold with a thin layer of silicon, which was applied for its excellent electrical conductivity. However, the early innovation was hampered by the lack o...

In recent years, nanotechnology has gained prominence as a field with untold potential in various industries, including medicine, energy, and electronics. The technology, which involves manipulation of matter on a molecular and atomic scale, offers greater efficiency, precision, and tailorability compared to conventional alternatives. However, the rapid advancement and expansion of nanotechnology has also given rise to concerns about its potential risks to human health, safety, and the environment. As a result, there is a need to develop responsible and ethical approaches to navigate the complex landscape of nanotechnology and balance its benefits and risks. To understand the ethical challenges of nanotechnology, it is first important to explore the different applications and areas in which nanotechnology is being used. One of the most notable areas of nanotechnology is in the field of medicine. Nanoparticles, for instance, can be used as drug delivery systems, allowing for greater pre...