Category Archives: Art

The Ancient Technology of Mirrors


Mirrors out perform most modern image technologies in terms of resolution, efficiency and user experience.

The technology to understand and manipulate light took centuries to develop, and happened independently across many different cultures. Mirrors have helped to shape the modern human mind while also furthering our understanding of math and science. They are an impressive holdover from the analogue age that doesn’t require electricity yet can produce replicated, moving images at a resolution higher than the human eye can perceive. Cosmoso takes a look at the history of this uniquely high tech piece of our global, human ancestry.

Developing Reflective Tech Before Recorded History

Like a lot of ancient technologies, people were able to develop and perfect image reflection without fully understanding the principles and materials they were manipulating. Creating a mirror in a time before modern science took different paradigms of understanding, such as alchemy, superstition and religious belief.

Human technologies are often inspired by nature. Our ancestors often pondered the meaning of the reflective properties they no doubt noticed in pools of water. When water is flowing, falling or otherwise in turmoil, the light it reflects is scattered but a calm pool of water with a dark surface below it shows a reflection.

Technologies often lead to further inspiration, and the advent of metal smelting and the discovery of glass and crystal lead to a variety of reflective properties humans were able to control. Archeologists have found man made mirrors made of polished obsidian, a natural volcanic glass dated back to 6000 BC in ancient Turkey.

Thousands of years after stone reflective mirrors were created, mirrors made of polished copper were made by ancient Mesopotamians dated to 4000 BC, one thousand years before Egyptians discovered copper smelting and discovered copper reflection on their own, at about 3000 before Christ.

Other types of polished stone mirrors have been found in Central and South America much later around 2000 BC. Ancient Americans developed tech on a later timeline because the land was developed later in the planet’s history by nomadic people who often abandoned technology to live off the land while nomadically exploring previously uninhabited lands.

Aztec_mirror,_Museo_de_América,_Madrid

In times when the only access to your own reflection was an enigmatic piece of polished obsidian, the sense of self was a psychological leap away from modern man’s. Obsidian mirrors were used by various cultures to scry or predict the future, and mirrors of stone were thought to possess magic powers.

Chinese Technology: Far Ahead of the West

Around the time when the Americas were still developing stone technologies, bronze mirrors were being manufactured in 2000 BC China. China was very technologically developed at this time, and able to smelt and create a variety of metals, compounds and amalgams, including a bronze. There are many archeological finds attributed by forensics to Chinese “Qijia” culture. Proprietary secrets forced mirror tech to diverge, and it’s possible to find examples of mirrors made from various metal alloys such as copper and tin, at the same time other parts of Asia were still simply polishing copper smelted from the earth.  The tin, copper alloy found in China and India is called speculum metal, which would have been very expensive to produce in it’s time.

mirror-03-238x300Speculum metal coated mirrors brought such a high analogue resolution that people could understand what they looked like, which affected fashion and hairstyles but also began to affect other artforms like dancing and martial arts. Philosophical concepts such as duality, other worlds and multiplicity were suddenly easy to explain via analogy with the help of a mirror.

Manipulation of one’s own facial expression, slight of hand and other practiced mannerisms were now able to be studied and documented, creating new layers to the fabric of civilization.

For all of this cultural development, there was no scientific analyzation of why a mirror worked or the light it was reflecting. Before mirror technology could be advanced, there needed to be written, thoughtful investigation of why the tech worked in the first place. This was a slow process in any ancient tech but in a time before light waves and chemistry was understood, it was extremely slow. The earliest written work studying the way light reflects came from Diocles, a Greek mathematician and author of On Burning Mirrors who lived 240 BC – c. 180 BC. Illiteracy and language barriers slowed the technological development of concave and convex curved mirrors another few hundred years.greek math

Mathematics and mirrors will always have a reciprocal relationship, with math and science allowing humanity to dream up new ways of manipulating light and mirrors allowing that manipulation to inspire new questions and explanations. What was once considered magic became the study of the world we inhabit as  technology took root in the physical and psychological world humans are trapped in.

Another technological breakthrough happened in ancient Lebanon when metal-backed glass mirrors were finally invented, first century AD. Roman author Pliny wrote his famous work, “Natural History” in 77 AD, where he mentions gold-leafed glass mirrors, though none from that time have survived. Most Roman mirrors were glass coated with lead which might have used the same technological process and just been much cheaper than gold.

ptolemy's optics

Discovering the text On Burning Mirrors, Greco-Egyptian writer, Ptolemy, began to experiment with curved polished iron mirrors. He was able to peak the interest of wealthy benefactors and study with impunity. His writings discuss plane, convex spherical, and concave spherical mirrors. This was circa 90 AD. The image above describes light passing through a cylindrical glass of water.

Silvered Glass & the Modern Age:

Silver-mercury amalgams were found in archeological digs and antique collections dating back to 500 AD China. Renaissance Europeans traded with the known world, perfecting a tin-mercury amalgam and developing the most reflective surfaces known until the 1835 invention of silvered-glass mirrors. Historical records seem to credit German chemist Justus von Liebig with silvered glass but glassworkers guild records obscure the story behind it. Silvered glass coats metallic silver on the back of the reflective glass by utilizing silver nitrate in the dawning of applied chemistry. Silver is expensive but the layer is so thin, and the process so reliable that affordable mirrors began to show up in working class households across the planet ever since.

 

Jonathan Howard
Jonathan is a freelance writer living in Brooklyn, NY

American Revolutionary Edward Snowden in the News this Week


Controversial hero of the information revolution to some, traitor to the American empire to others, Edward Snowden is popping up in headlines again.

A lot of Cosmoso might have caught the John Oliver interview.

The interview is an instant classic and will be talked about for a long time but it was also genuinely funny, with some unexpected chemistry between Oliver and Snowden. It also featured probably the second best extended tech metaphor involving dicks.

Silicon Valley

That’s right. I said second best.

Other superficial highlights include John Oliver losing his mind during the half hour before Snowden showed up late, the alarming but totally unsurprising ignorance of Americans during the man-on-the-street interviews about privacy and a concise but fleeting description of Snowden’s Patriotism for the layman.

 

Snowden Bust 2

The morning after the interview aired, another iconic moment in revolutionary journalism happened. Three, anonymous street artists erected a bust of Edward Snowden in Brooklyn, video and still pics documented exclusively by AnimalNewYork. The work was covered with a tarp and removed within twelve hours because it was put atop an existing war monument, and done without permission.

Update:

A hologram of Snowden is currently being shown in the spot where the bust was removed, courtesy of The Illuminator Art Collective who used two projections and a cloud of smoke  to show a likeness of Edward Snowden at the Revolutionary War memorial, releasing an accompanying statement:

“While the State may remove any material artifacts that speak in defiance against incumbent authoritarianism, the acts of resistance remain in the public consciousness, and it is in sharing that act of defiance that hope resides.”

Snowden Hologram

Jonathan Howard
Jonathan is a freelance writer living in Brooklyn, NY

Easter scuppers the certainties of modern fundamentalists


Teaching any sort of academic program with religious content can be a tricky undertaking. Religious passions, whether pro or con, can be volatile; religion is a matter about which people can become upset.

My doctoral studies were in the relatively safe arena of Greek philosophy – no-one really cares what you say about Socrates and his mates these days – but I taught Religious Studies for many years and it was, by comparison, a minefield of sensitivities. In all those years, however, I managed to only really upset somebody once.

The student in question was a mature French lady, and she took great exception to my matter-of-fact announcement in one lecture that Easter had many pre-Christian associations and had its roots in ancient pagan festivals.

She went blue in the face, spat out several French expletives, stormed out of the lecture hall and never returned.

I was surprised by this because I regarded the pagan roots of Easter to be an uncontroversial matter. For a start, the word itself, “Easter”, is usually regarded as being derived from Anglo-Saxon forms such as “Estara” or “Ostara” (and cognates) associated with a dawn goddess and common spring festivals celebrated in the British Isles and Northern Europe long before Christianity. According to some, those associations extend back to the Babylonian deity Astarte.

More obviously, the ubiquitous egg given as a gift (or munched as a chocolate indulgence) at Easter is a widely employed fertility symbol that signals the rebirth of vegetation and the end of animal hibernation after the northern hemisphere’s winter. (If you tend backyard chickens, as I do, you’d understand.)


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There is certainly nothing Christian about the Easter egg; it is pre-Christian and, more to the point, pagan in its history and its associations. That the Easter festival has pre-Christian, pagan layers of symbolism, therefore, I regard as an incontestable fact, but it seems that even such a “given” can be contested and can upset some people; such is the nature of religion, a field of cherished certainties.

The real source of the French woman’s peeve, I suppose, is the broader implication that there are pagan elements in Christianity. That is all I was suggesting, and again it seems to me a matter that should not rouse controversy. Nor does it detract from Christianity – on the contrary, it can and should be seen as a part of the accumulated richness of the Christian tradition.

When Christianity moved into pagan regions – especially in Europe – it would sometimes adopt the tactic of ruthlessly eradicating the existing religious culture. More often, though, it took the more pragmatic and compassionate approach of absorbing and adapting pagan rites, sites and institutions wherever they were not entirely inimical to the Christian spirit.

Rather than being manically hostile to all things pre-Christian, many of the wisest figures in Christian ideas – St Augustine is a conspicuous example – took the view that the pagan religions had, in their way, prepared the ground for Christ and that Christianity was not so much a replacement for paganism but a fulfilment of it.

In this way local pagan deities became Christian saints and Christian churches were built on pagan sacred sites. It was not so much a matter of invasion and eradication as a matter of adoption and conversion.

Saint Augustine.
Wikimedia Commons

The same held true for festivals and holy days. Christmas and Easter are obvious instances. Both are cases where Christ has been assimilated to aspects of pre-Christian solar worship and the mythos of the dying and reborn sun that is a guiding reality in the life of any agricultural people.

Christmas was assimilated with Yule and related festivals at mid-winter and Easter was assimilated with festivals celebrating the rebirth of sun in the spring. In doing this Christianity showed itself to be not some new, freakish creed from the Middle-East, but rather the fulfilment of great spiritual traditions extending back to the dawn of history.

Christ, moreover, was not just an obscure Jewish carpenter from Palestine, but, as the New Testament insisted, the Prince of Creation, the Logos, who was from the very beginning and who was not unknown before the Incarnation. Appreciating the pagan assimilations of Christianity enriches the Christian tradition; denying them impoverishes it.

It is true that some people use the pagan assimilation of Christianity to supposedly “expose” and undermine the Christian faith. It is a sort of “gotcha” polemic used by anti-Christians and atheists. But that is a simplistic misconception and it need not be the case.

To show that Easter or some other aspect of the Christian tradition has pagan or pre-Christian roots only demonstrates the wealth of the tradition. Living traditions are always like that. They soak up what came before them. Buddhism did much the same in its spread through Asia. Even Islam, for all its official hostility to pagan idolatry, soaked up, absorbed and assimilated, much of pre-Islamic Arab customs.

The sacred month of Ramadan was celebrated long before Muhammad. We should not be surprised that this is the case. Religious traditions never enjoy a tabula rasa. They are at their most destructive and self-defeating when they deny all that came before them. Conversely, they are at their most creative and fertile when they transform all the best things that came before them.


Charles Roffey

Easter is an example of this. Not only did Christianity transform and sublimate the meanings of the Jewish heritage upon which it was built – Easter is a transformation of Passover – but as it moved into pagan Europe and beyond Christianity absorbed and reshaped much of the pagan order that came before it and it is richer for doing so.

It is even arguable, paradoxical though it might seem, that it preserved and nurtured much of the ancient pagan order that had already fallen into decadence and decay from the degradations of the Roman Empire.


Christina

In any case, the proposition that Easter is a 100% purely Christian affair is manifestly unsustainable. You will find it presented as such by Christian apologists – especially of the literalist Protestant persuasion – but it shows an ignorance of history. Worse, it shows a failure to understand the way that religious traditions work and of the rich organic patterns of tradition that they weave, often at odds to their own rhetoric.

Religions are complex things. They have to be because human beings and life itself is complex. To fail to appreciate this fact is exactly the sin of the fundamentalist. Reality is seething and verigated; they want it to be sterile and monochrome.

The modern fundamentalist also fails to appreciate what is sometimes called “cosmic” religion. This failure is a symptom of modern, abstracted urban life. We are removed from such great cosmic facts as the turn of the seasons and the cycles of the sun.

For most Christians in the past Christ was much more a conquering solar deity who overcame the dark trough of winter and was reborn with the new grass at the spring equinox than he was an historical person.

This is what Easter is about, why it is celebrated at the first moon after the equinox and why it became assimilated to the same cycles and themes from pre-Christian times.

This article is part of The Conversation’s Religion + Mythology series.

The Conversation

This article was originally published on The Conversation.
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