The Heat Was On: Control of Fire by Prehistoric Humans

Use and control of fire was a gradual process, proceeding through many stages. Curated/Reviewed by Matthew A. McIntoshPublic HistorianBrewminate Introduction The control of fire by early humans was a turning point in the technological evolution of human beings. Fire provided a source of warmth and lighting, protection from predators (especially at night), a way to create more advanced hunting tools, and a method for cooking food. These cultural advances allowed human[…]

Common Ground: Community Radio as a Tool for Climate Change Education

Several organizations have been engaged in using community radio as a tool for raising awareness and encouraging participation. Introduction Community radio is radio run by and for communities in local languages, often with programming focused on issues at the heart of local development, such as climate change and environmental degradation. Stories about climate and environmental[…]

Breaker, Breaker: The Science and Use of Radio Waves

Radio waves were first predicted by mathematical work done in 1867 by Scottish mathematical physicist James Clerk Maxwell. Curated/Reviewed by Matthew A. McIntoshPublic HistorianBrewminate Introduction Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies as high as 300 gigahertz (GHz) to as low as 30 hertz (Hz).[1] At 300 GHz, the corresponding wavelength is 1 mm (shorter than a grain[…]

Communication Revolution: A History of Radio

Radio development began as “wireless telegraphy”. Later radio history increasingly involves matters of broadcasting. Curated/Reviewed by Matthew A. McIntoshPublic HistorianBrewminate Invention and Early Growth The idea of wireless communication predates the discovery of “radio” with experiments in “wireless telegraphy” via inductive and capacitive induction and transmission through the ground, water, and even train tracks from the 1830s[…]

Heinrich Hertz and the Discovery of Radio Waves in 1886

Hertz’s experiments produced and received what are now called radio waves in the very high frequency range. Curated/Reviewed by Matthew A. McIntoshPublic HistorianBrewminate Biography Heinrich Rudolf Hertz was a German physicist who first conclusively proved the existence of the electromagnetic waves predicted by James Clerk Maxwell’s equations of electromagnetism. The unit of frequency, cycle per second, was named the “hertz” in his[…]

Iconic Cars in the 20th Century

In the time span of human history, automobiles have not been around for a very long time. It was about 136 years ago, in 1885, when Karl Benz invented the Benz Patent-Motorwagen, the world’s first-ever production automobile. However, cars only began worldwide production in the early 20th century, and even just a century ago, you[…]

The Innovation in Smartphones and Mobile Gaming

The invention of smartphones transformed the world, making it possible to do things never thought possible. Today, smartphones do more than just calling and sending messages. They offer users an easy way to create, access, send, and receive data on the go, whether online or offline. Gone are the days you need a console or[…]

History and Development of Radio Broadcasting, Podcasting, and ‘Superbug Media’

These new technologies made it possible to influence the public opinion of whole populations at once. By Dr. Mark PoepselAssociate Professor of JournalismSouthern Illinois University Introduction “We thought we were doing this little experiment, and it became this huge thing.” Sarah Koenig, host and co-producer of the Serial podcast The Serial podcast is a true crime drama that calls[…]

Are We Becoming Slaves to Technology and Social Media?

Are human beings increasingly becoming slaves to technology and social media? Answering this question can be a tad challenging since there cannot be any one definitive answer to the same. Technology has enhanced our lives at many different levels. It has uplifted the quality of lives and made formerly difficult-to-access things more accessible to us.[…]

Business Leaders Discuss Digital Marketing in 2021

Who still needs convincing that digital marketing is the way of the future? Surprisingly, many companies are holding out and keeping their digital marketing budgets to a minimum, even with so much evidence to the contrary. It’s time to take a top-to-bottom look at why digital marketing is so important, and what businesses can do[…]

Tower Mills since the Thirteenth Century

It represented a modification or a demonstration of improving and adapting technology that had been known by humans for ages. Introduction A tower mill is a type of vertical windmill consisting of a brick or stone tower, on which sits a wooden ‘cap’ or roof, which can rotate to bring the sails into the wind.[1][2][3][4][5][…]

Windmills and Their Technology since the Middle Ages

Windmills were used throughout the high medieval and early modern periods. Introduction A windmill is a structure that converts wind power into rotational energy by means of vanes called sails or blades, specifically to mill grain (gristmills), but the term is also extended to windpumps, wind turbines and other applications. The term wind engine is[…]

Keeping Warm in Ancient Rome

Hot drinks and early bedtimes were key to a comfortable winter. Images of Italy and the Mediterranean generally include bright sun shining on sparkling water and dusty groves of olive trees. In fact, according to Marcus Vitruvius Pollio, who wrote a 10-volume treatise on architecture in the first century, “Divine providence has so ordered it that[…]

Common Technology Problems and How to Fix Them

Experts predict that AI will generate $2.9 trillion worth of business during 2021. This is a remarkable statistic by any standards. It’s especially noteworthy considering that AI was an impossibly advanced concept less than ten years ago. This is just one example of how quickly technology has grown and how it permeates our daily existence.[…]

The Rise of Fingerprint Technology in the 19th Century and Resulting Myths

In the 19th-century, society began to grapple with an emerging problem: How do you prove people are who they say they are? By Clive ThompsonScience and Technology Journalist At 9:00 a.m. last December 14 [2018], a man in Orange County, California, discovered he’d been robbed. Someone had swiped his Volkswagen Golf, his MacBook Air and[…]

What to Do if Your Social Security Number is Stolen

Of all the data to which a hacker can gain access, your Social Security number is one of the most problematic. The havoc they can wreak upon your life with those nine digits in hand is limited only by the scope of the usurper’s imagination. Sadly, security breaches in which this information is being compromised[…]

“More Lively Counterfaits”: Experimental Imaging at the Birth of Modern Science

Exploring forms of image making which pushed the boundaries of 17th-century book printing. This article, “More Lively Counterfaits”: Experimental Imaging at the Birth of Modern Science, was originally published in The Public Domain Review under a Creative Commons Attribution-ShareAlike 3.0. If you wish to reuse it please see: https://publicdomainreview.org/legal/ From infographics to digital renders, today’s scientists have[…]

How the Civil War Drove Medical Innovation

The federal government was able to spur innovation to meet the needs of the crisis. Introduction The current COVID-19 pandemic, the largest public health crisis in a century, threatens the health of people across the globe. The U.S. has had the most diagnosed cases – surpassing 6 million – and more than 180,000 deaths. But[…]

Two Surgeries, 800 Years Apart: Aztec Medical Technology and Today

An archaeologist’s hip surgery prompts him to think of the experience of a Puebloan woman who survived a terrible fall centuries ago. As an archaeologist, I’ve spent a lot of time wondering what life was like in the past. I’ve also been injured a time or two, and I’ve wondered if any of my nonfatal[…]

The Steampunk Doctor: Practicing Medicine in a Victorian Mechanical Age

Steampunk examines the consequences extraordinary medical discoveries can have on both individuals and societies. Abstract Influenced by both 19th-century literature and popular representations of science, the figure of the medical doctor in steampunk fiction is marked by ambiguity. At the same time a scientist, a wizard and a mechanic, the steampunk doctor exists halfway between[…]

Peculiarities of the Evolution of Machine Technology in Italy during 19th Century

Peculiarities were due to Italian reunification political issues as well as attitudes to science and technology combine with strong individualism. Abstract This paper deals with peculiarities of Italian Industrial Revolution on machinery by looking at aspects on enterprise developments and university frames. The outline showed a historical evolution that started in South Italy and after[…]

How Ancient Romans Kept Their Cool

Airflow, water fountains, and shade. Dark green leaves flutter in the breeze; water splashes in a fountain; the shade deepens along a covered colonnade. It might be a hot day, but it feels like the temperature has fallen a few degrees. That’s how a summer afternoon feels at the Getty Villa—and that’s how it might[…]

Innovations and Adaptations in the Medieval Islamic Renaissance

They improved ways of doing things that influenced the Scientific Revolution in Europe centuries later. Introduction In the Middle Ages, Muslim people developed a rich culture. Here are many contributions made by Muslims to world civilization. By 750 C.E., Muslims ruled Spain, North Africa, the Middle East, and much of central Asia. Over the next[…]

Gamecube ISOs As Your Chance to Play Classic Games on Modern Computers

Though the modern video gaming industry is constantly involved in the development and marketing of video games, sometimes, we want to go back to childhood and play some games we played as kids. We all remember a well-known gaming console that hit the market 19 years ago – the Nintendo GameCube Console. Fantastic gameplay, real[…]

Download GameCube Isos – Enjoy Classic Games on Your Device

The modern gaming industry is exceptionally engaging. You can play an awful lot of incredible games right from your mobile device being anywhere in the world. All these games have high-quality graphics, immersive sound effects and lots of other benefits that help you forget about your reality and dive into the adventures with your virtual[…]

Discoveries and Inventions in Ancient and Medieval China

Exploring discoveries and inventions made by the Chinese between about 200 and 1400 C.E. Introduction Over the centuries, Chinese scholars and scientists studied engineering, mathematics, science, and medicine, among other subjects. Their studies led to scientific and technological progress that was often far ahead of advances in the rest of the world. To understand the[…]

How Mobile Gaming Has Changed Over Time

Mobile gaming is an enormously popular sector of the video games industry, making up almost half of the industry’s total worldwide revenue, which is on course to exceed $200 billion in the next few years! Mobile gaming has brought gaming to a whole new audience, with millions of people worldwide playing games such as Candy[…]