Essays on Popular Science

“The day is coming when telegraph wires will be laid on to houses just like water or gas -- and friends will converse with each other without leaving home." (Alexander Graham Bell in a letter to his father in 1876; taken from PBS.org) Alexander Graham Bell was born on March 3, 1847 in Edinburgh, Scotland and had two more brothers that both died of tuberculosis (Library of Congress), Melville James Bell, who was older than Alexander, and Edward Charles Bell, who was the youngest in the family (Bell Homestead). His father, Alexander Melville Bell, as well as his grandfather ...

Introduction

The research paper considers the benefits of nuclear power compared with generating energy from fossil fuel sources and discusses the reasons why nuclear power may be the better option, taking into account costs, safety, and – importantly – environmental pollution. Climate change and global warming are of major concern, and pollution and greenhouse gas emissions are significant considerations in the choice of safe energy sources for the future, along with costs and of course the safety aspects. The paper seeks to confirm that in contrast to the fossil-fuel plants used today to generate electricity, nuclear plants cost less to operate, are ...

Abstract

Whether or not slaves were owned by free African Americans back when slavery was actually an institution in the United States is one of the most perplexing questions in African-American history. While some Americans might not be aware of and might not have suspected this, but truth, which will be discussed in this paper, is that black people in the country indeed purchased and sold other black people as slaves. In fact, there were black slave owners in the United State since 1654 and they continued to own slaves through the Civil War. This paper will answer many perplexing ...

Are they Competitive with Conventional Cars?

Electrical cars are vehicles that work on rechargeable electric power supply that runs the engine instead of gas. Scientists believe that electrical cars are environmentally clean vehicles that do not produce as much poisonous gasses and waste as conventional cars nowadays. There are many kinds of electrical vehicles; some types of electrical vehicles use the energy that is stored in Lithium batteries. Other kind of electric-power cars use a combination of electric power and gas to run their engines called hybrid cars. In the 1800’s there were many initiatives in making an electric motor. Davinport made the first American ...

Human sciences and natural sciences are classically known as being factually-based knowledge and, as such, they are sufficiently convincing enough to be held in high esteem by academics and the average member of the public alike. The purpose of this essay is to explore why this is the case and what exactly happens to make it so. In truth, the sciences can only ever provide us with theories although this is becoming less and less true as scientific evidence is increasingly easy to produce. However, it seems prudent to explore why we still put so much faith into these ...