Introduction The Internet has truly revolutionized the world. From its extremely humble beginnings to its rapid growth, nothing in perhaps the history of the world has brought so much information to the masses and has helped individuals communicate with others. While the Internet might seem simplistic in theory, it took quite a few innovations to …
The invention of the telephone is credited to American Alexander Graham Bell and Thomas Watson in the mid-to-late 19th Century. Although Bell ultimately prevailed in the early signs of patent wars to come in the tech industry, there are a number of inventors who helped contributed technological and conceptual advancements that furthered telephone technology in …
Body armor has been in use by military forces since the early middle ages. Armor of metal, leather, cloth padding, silk and other plant material has been intrinsic to military actions since that time. The bullet proof vest, however, is a more recent invention with the specific design intent of protecting its wearer from firearm …
No one person invented electricity, but its modern day use is the result of the work of inventors, scientists, and researchers who toiled over the subject for millennia. In order to fully understand electricity in our modern world, one has to first understand the pioneers who date back to as early as the ancient Greeks, …
The water thermometer has been around for centuries, but not many people are aware of the origins of this instrument. The following is a brief synopsis of the origin and development of the water thermometer. Origins The first water thermometer was created during the 16th century. In the year 1593, Galileo Galilei did the existing …
In order to understand the history of satellite television, you first have to go all the way back to the 1950's during the space race between the USA and Russia. The first satellite to orbit the earth was Sputnik, launched by the Russians in 1957. It was 6 years later until the first communications satellite …
Radio was not invented by any single person, but instead was a culmination of several scientists’ research, each of whom pioneered a different area of electromagnetic radiation and radio waves during the late 1800s and early 1900s. Among these men are well known researchers such as Heinrich Rudolf Hertz, James Clerk Maxwell, David E. Hughes, …
A Projector is an optical instrument that is used to project a picture on a blank screen with the help of reflection or as done by a lantern. Basically, it enlarges and reflects an object. This is done with the help of lenses, prism and mirror that is used as a reflector. Apart from other …
Cars have become an integral part of human life today. They are used everyday by millions of people around the globe. There were estimated 1,000,000,000 (1 billion) cars in 2010, whereas there were only 500 million in 1986. The numbers are continuously on the rise. The maximum number of cars today are found in India and …
A microphone is a device that converts acoustic power into electric power. Both the acoustic power and the electric power have similar wave characteristics that convert sound waves into electric voltages that eventually convert back into sound waves through speakers. Microphone were used with the first telephones, and then with radio transmitters soon after. Sir …