I first came across his ideas in the 70s, through a book, Psychic Discoveries Behind the Iron Curtain (New Jersey: Prentice Hall, 1970), by two American authors, Sheila Ostrander and Lynn Schroeder.

Reflecting somewhat the counterculture of the 60s and 70s, the authors were exploring psychic matters and occultism, and for that purpose they visited Soviet Russia, Bulgaria, and Czechoslovakia in the summer of 1968. As described in the back cover, “they reveal astonishing breakthroughs and key personalities spearheading exploration of man’s unknown powers” in laboratories from Prague to Moscow.

One place they stopped was the Pulkovo Observatory near St. Petersburg (then Leningrad), “the principal observatory of the USSR Academy of Sciences and the timekeeping Greenwich of Russia” (today The Central Astronomical Observatory of the Russian Academy of Sciences) to meet Dr. Kozyrev. They were going there to discuss “an amazing theory of time” developed by Kozyrev, whom the authors described as “one of the Soviet Union’s most renowned astrophysicists” (p. 157).

Kozyrev does deserve this praise, as he was only 17 when he published his first scientific paper. When he graduated in physics and mathematics from the University of Leningrad, he was only twenty. And by the age of twenty-eight, he had already won distinction as an astronomer and had taught at several colleges (p. 158).

He was brimming with new ideas and life was as good as he could possibly have wished it to be. Then the ax fell. In 1936 he was arrested in the Stalinists repressions and in 1937 he began eleven crushing years in a prison camp. … When he was at last rehabilitated and could return to astronomy, Kozyrev made a series of brilliant predictions about the Moon, Venus, and Mars. Much later, Soviet space probes proved him right. (p. 158)

Like many other geniuses throughout world history, his announcements were received with skepticism in the beginning. In 1958, for instance, he announced volcanic activity on the moon, which meant that there were vast natural resources to exploit. Scientists “classified him as an eccentric hunting for gas on the moon. They knew this was not possible.” But he was proven right when Dr. Harold Urey, a U.S. Nobel Prize winner, talked with him and NASA started the enormous “Moon Blink” project. Eventually, gas emissions were found on the moon.

Kozyrev was proposing a new theory when he said, “Time is a form of energy. It is to time’s properties that we should look in order to find the source that maintains the phenomenon of life in the world.” With all credit to his other findings, this theory on time may sound completely irrelevant and without basis to scientists today; but as mentioned in the beginning, the purpose of this review is not to confirm his theory, but to open up a long forgotten gateway for researchers studying time and ether.

Although approached with suspicion today, parapsychology studies peaked in the eastern bloc in the 1960s, which was the main reason the two American authors felt the need to travel overseas and spend three years researching their 450-page book. “Parapsychology, nonexistent just a decade before, was suddenly flourishing all over the USSR,” they wrote. When the authors looked beyond Iron Curtain politics, “behind the lace curtains of everyday Russia,” they began to come across “some very unusual material about life.”

“Soviet scientists were asking publicly, ‘What is man?’ Do we have unused, undreamed of potentials? Can parapsychology melt the barriers and create the supernormal human being? These were heady questions to read in Soviet publications.”

In 1966, the authors noted, the influential journal Science and Religion put out a special issue, No. 3, on current Russian telepathy research. Outstanding Soviets, including such notables as Dr. Nikolai Semyonov, a Nobel Prize winner in chemistry and Vice President of the Academy of Sciences of the USSR, called for further scientific investigations of telepathy. It was in this time and context when Kozyrev’s research intensified and his speculative theory came into a form.

The authors noted that, according to some Soviet scientists (p. 159), ESP (extrasensory perception) “may involve an unknown form of energy,” which Kozyrev called “time,” in the telepathic transfer of “thought” instantly from one person to another.

“Time is the most important and most enigmatic property of nature. Time is not propagated like light waves; it appears immediately everywhere. The altered properties of a certain second of time will appear instantly everywhere at once, just as time is everywhere. Time links us all and all things in the universe,” Dr. Kozyrev told the authors in his high-ceilinged office at Pulkovo. The authors noted the following from their interview with Kozyrev:

Kozyrev’s “time” has a number of properties which he says can be studied in the scientist’s lab. He has found, for instance, that this “X” energy, or “time,” is denser near the receiver of an action and thinner near the sender. He showed us some of the instruments he has devised to chart this unusual effect. The basic equipment includes precision gyroscopes, asymmetrical pendulums, and torsion balances. The instruments, when set up in a complex arrangement, react showing a change in time density near a mechanical action (like stretching elastic) or a chemical action (like burning sugar).

This is the gist of what happens in one of the more simple experiments: a long elastic is stretched by a machine. You can think of this elastic as having two poles. The “pull” or cause end and the “stretch” or effect end. When the elastic is stretched, the registering equipment, consisting mainly of an asymmetrical pendulum made with a gyroscope, arcs toward the effect pole of the elastic. This deflection is imperceptible to the eye, but easily registered on the sensitive instruments. It is a highly important effect. It shows there has been an increase in the intensity of time, according to Dr. Kozyrev. “This has nothing to do with force fields. We shielded and calculated out any possible influence of electrostatic or any other force.” Considering Kozyrev’s rarified caliber as a scientist, he probably knows what he is talking about.

Kozyrev’s instruments also showed a thinning of time near the “cause” end of the elastic, and this was possible even when the “cause-effect” equipment was shielded by a wall one yard thick: “It reacts even through iron tubes.” Chemical cause-effect, like burning sugar, also showed the change in time density. “We postulate,” Dr. Kozyrev said, “that time is thin around the cause and dense around the effect.”

According to the authors, “what Dr. Kozyrev has found in these tests can be called PK (psychokinesis),” for the chemical events acted on the gyroscope pendulum at a distance and without the use of any known force. Dr. Kozyrev would say that “time density” brought on this startling action at a distance. PK is usually considered not as matter affecting matter from a distance, but as a mind affecting matter. The authors asked Kozyrev whether thought might have any effect on this time density. “Yes,” Dr. Kozyrev replied. “Thought definitely affects the reaction. When I purposefully think of poetry or something emotional during the test, the equipment registers more of a change than when I think of mathematical calculations. Our thoughts may change the density of time.”

“Would the density of time, then, have something to do with telepathy?” asked the authors.

“Telepathy always depends on the density of time. Time would be thin near the sender of the thought and denser around the receiver. We’ve already done tests in our lab to try to artificially change the density of time. When we can make time dense at will, we can make telepathy happen when we want it,” Dr. Kozyrev feels.

What else affects the density of time? Thunderstorms, the weather, the change of season, the activity of growing things, gravity, and density of matter have an effect on time density, which lingers longer in some substances than in others. “It remains twice as long in aluminum as in lead and five times longer in wood than in lead” (p. 162).

Another characteristic of the energy Kozyrev called “time” is that it has a flow pattern, according to his findings:

Dr. Kozyrev thought about all living organisms-animals, plants, people. Our right and left sides are not mirror images. More of the heart is on the left than the right side. Microbes produce colonies of a spiral structure. Protoplasm, the basic building block of life, is not symmetrical either. Asymmetry is a basic property of life. This can’t be a chance thing, Dr. Kozyrev thought. … Perhaps the energy of “time” flows in this pattern. If so, Dr. Kozyrev figured, he could see it and measure it in a rotating body like a gyroscope. Altering the time pattern in a rotating system should add or subtract energy.

After years of careful experiments, Dr. Kozyrev and his colleagues found that in a left-hand rotating system the time flow is positive-it adds energy. In a right-hand system the time flow is negative. … In Dr. Kozyrev’s view our world is a left-hand system and it has a positive time flow that adds energy to our universe.

Time not only has a pattern of flow, says Dr. Kozyrev, but also a rate of flow. He calls “the rate of flow” the difference between cause and effect. “As the rate of the time flow through a substance changes, weight is lost,” Dr. Kozyrev told us. “It means that ‘levitation’ is a perfectly practical possibility.” (p. 163)

Time or ether?

Time is not matter. According to Bediuzzaman Said Nursi, “time is like an aspect or a ‘ribbon’ of motion” (The Thirty-First Word, p. 591). That is, time is not possible without motion. I argue that what Kozyrev thought he discovered was not time, but perhaps had to with what is called ether, an element which is assumed by some cosmologists to be the essence of all existence, but which is also disregarded by many scientists today. Bediuzzaman is one of those scholars who referenced ether in his work. In his partial Qur’anic exegesis, The Sign of Miraculousness (Isharat al-I’jaz first published in 1914), Bediuzzaman explained the verse (Hud 11:7) as follows:

… the verse “the heavens and the earth were at first one piece, and then We parted them as separate entities”(21:30) indicates that the earth and the solar system were a sort of dough kneaded by the hand of power out of a simple substance; I mean ether, which compared with beings is a fluid substance that passes through and among them. The verse “His Supreme Throne was upon the water”(11:7) alludes to this matter, which resembles water. After its creation, the ether received the Maker’s first manifestation giving existence; that is, He created the ether, then He made it into the subatomic particles (jawâhir farda) … (Isharat al-I’jaz, pp. 254)

For Bediuzzaman, ether was something like an interface upon which all acts of God were displayed:

… being an extremely subtle, fine, obedient and subjugated page for the All-Majestic Maker’s acts, being a means for the transmission of His commands, being an extremely delicate veil for the execution of His decrees, being refined ink for His writing, being a finest raiment to clothe His acts of creation, being a fundamental component in His artifacts and a field in which to sow His seeds, ether acts as a mirror for the manifestations of the Lordship of God. (The Thirtieth Gleam, p. 477)

Bediuzzaman also referred to “ether” when he said “refined matter” in the following quote: “Such subtle and refined matters as light, electricity, and heat point to the existence of a more subtle and refined matter that fills space” (The ThirtyFirst Word, p. 589).

The observations and findings of Kozyrev, though in desperate need of endorsement by objective scientific criteria, sound, from how the American authors revealed in their interview, as if referring to this mysterious subtle matter called “ether” rather than “time.”

Conclusion

The authors of this once popular book wrote in the Prologue that they “would have to be megalomaniacs to think that scores of highly reputable scientists from centers across the Soviet Union and the satellite countries all conspired to publish data for a decade and to bluff through interviews” to impress them when they happened to meet them. The authors further noted that “whether communist observations and theories about psychic happenings are right or not, can only be determined by further investigations East and West.”

Let us conclude with the following quote from the Prologue: “As Vladimir Mutshall wrote of current Soviet telepathy research in the American Foreign Science bulletin, Vol. 4, No. 8, ‘If the Russian reports are even partly true, and if mind-to-mind thought transference can be used for such things as interplanetary communications or the guiding of interplanetary spacecraft, the reports will obviously have overwhelming significance.'”

The main reason I have extensively quoted from this book is not to confirm any of the findings, but to encourage scientists to conduct further research into the essence of matter without completely disregarding phenomena like ether.

We photons are the envoys of the sun. Our duty is to carry the energy that was stored in the sun during the creation of the universe to the earth. In the sun’s center, during the nuclear reaction called fusion, four hydrogen nuclei form one helium nucleus. The mass of four hydrogen nuclei is 4 x 1,6726 x 10 ^-24 grams (i.e. 6,6904 x 10 ^-24 grams); the mass of one helium nucleus is 6,6447 x 10 ^-24 grams. It is clear that the mass of one helium nucleus is a little smaller than the mass of four hydrogen nuclei. If we calculate the difference: 6,6904 x 10 ^-24 g – 6,6447 x 10 ^-24 g = 0,0457 x 10 ^-24 g. This small mass difference is transformed into great energy by order of the Creator, and in this way we and our relatives, neutrinos, are created.

Our Lord has created us as the fastest particles in the universe. We cover 300,000 kilometers in a second. Although we move so fast, the sun’s center is very dense. The density is about 150 times greater than the density of water (1 g/cm3). Thus, as soon as we move, we crash into the hydrogen and helium nucleuses around us. They swallow us, but then they immediately set us free; then yet another strike waits for us immediately. In every collision, our energy is reduced a little, and we divide into several light particles with lower energy levels. Most of our lives-perhaps 100 thousand years-is spent in these collisions.

If we left the center of the sun without any collisions, the earth would be blasted to pieces in a moment when we hit it. As a result of the collisions, we, who have a high energy level in the beginning, are converted into low energy level light particles.

So many of us are created in the sun that at every second a four-million-ton mass is converted into energy. In the sun, which is 5 billion years old, approximately a hundred times the mass of the earth has been converted into energy up to today.

While we are created in the center of the sun, we reach the outer layer of the sun, the photosphere, by passing slowly through the layers from the center to the surface of the sun. On leaving the surface, our energy decreases, our number increases, and our temperature goes down to 5,800 degrees C. You may consider this temperature very high, but you should not forget that our temperature in the beginning was 15 million degrees C.

We pass the 700,000 kilometers from the center of the sun to the photosphere layer in 100,000 years. The photosphere’s density is so low that it is only one percent of the atmosphere’s density at sea level. We leave this layer fast without any collisions. To reach the earth, there is 150 million kilometers of space ahead of us. Here we show our speed, which we did not have a chance to display earlier because of the collisions we have inside the sun. We travel the 150-million-kilometer distance in 8.5 minutes and reach the earth. There are some of us with extremely high energy levels who can cause damage on earth. The ozone layer is responsible for picking them off. The non-dangerous ones among us reach the face of the earth by traveling through the 100-kilometer-deep atmosphere in 1/10000 of a second. Finally, it is time to deliver the energy we have carried to you.

Every photon has a duty. Some of us heat the earth; some of us vaporize the water in the seas to bring the merciful rains. We have many other duties as well as these. Perhaps our most important duty is to be swallowed by the chlorophyll in plant leaves, so as to provide the energy in the food you eat and in the oxygen you breathe.

Possibly the energy that you have used while reading this essay was obtained from a bean you ate in your lunch. Do not forget that we brought from the sun’s center both the energy in the bean you ate and the energy in any plant that was food for any animal whose meat you have eaten.

We also carried the energy that was in the gas of the truck that brought these pages to you. If our brothers that came to the earth a million years ago had not brought energy to the plants at that time, could those plants have been transformed into oil or coal by decaying underground?

Our Lord gave us light particles a mission to carry the energy that is stored in substances so that the energy will be a source of life for you. We fulfill our duties without any error so that you might think and learn a lesson from these facts.

In your next meal, consider looking at the blessings on your plate from the following perspective: “I am about to eat energy that was heated approximately 100,000 years ago at 15 million degrees C in an oven in the sun’s center and later cooled and made appropriate for the bodies of human beings.”

Cosmology is the study of the universe’s beginning, formation, and evolution. Humanity has devised many cosmological theories. For example, ancient Greeks thought the universe was composed of four elements: earth, wind, fire, and water. Now, despite several millennia of effort, modern cosmologists are even worse off.

About 60 years ago, Fritz Zwicky realized that clusters of galaxies consist mainly of matter in some non-luminous form, defined as matter that we cannot see with our telescopes. Now, after decades of accumulated observations, most astronomers believe that as much as 90 percent of this material may consist of objects or particles that cannot be seen. That is, most of the matter in the universe does not radiate light. Previously, people called this phenomenon missing matter. Contemporary researchers prefer dark matter, for it is the light, not the matter, that is missing.

In this article, I discuss evidence that proves the existence of dark matter, possible candidates for dark matter, and the importance of dark matter in understanding the universe’s beginning and end according to the Big Bang theory.

Obsering the invisible

As dark matter emits no electromagnetic radiation (e.g., light, radio waves, and X-rays), it cannot be seen by a telescope. However, we can infer its existence through its gravitational effects on luminous matter. The most obvious example of this is observed when looking at the rotation rates of galaxies. Using the resulting information, scientists can calculate the speeds of stars as they rotate around a galaxy’s center (orbital speeds) in two different ways. The first way is to look at the light coming from stars in different parts of a galaxy. Through a close study of that light’s properties, they can deduce how fast and in what direction (whether toward or away from us) that star is rotating. The second way is based upon gravitational physics. Given that we know how much matter the galaxy contains, we can calculate how fast stars must be orbiting around its center. By accounting for all of the galaxy’s luminous matter (e.g., stars, gas, and dust), astronomers can calculate the star’s orbital speeds.

But there is a problem here: The two results do not agree. The only way to account for this difference is to posit the existence of a large quantity of dark matter in the galaxies. To explain the astronomical observations, this dark matter must surround the galaxy in a large spherical distribution (known as a galactic halo).

Is the gravity of the galaxies seen in this image strong enough to contain the glowing hot gas? Superposed on an optical picture of a group of galaxies is an image taken in X-ray light. The X-ray picture shows confined hot gas highlighted in false red color and provides clear evidence that the gravity exerted in groups and clusters of galaxies exceeds all of the individual component galaxies combined. The extra gravity is attributed to dark matter, the nature and abundance of which is one of the biggest mysteries in astrophysics today. Credit: Richard Mushotzky (*)

Another effect, known as gravitational lensing, gives evidence for dark matter’s existence. This effect occurs when a massive object’s gravity bends the light that is passing by. For instance, when a cluster of galaxies blocks our view of another galaxy behind it, the cluster’s gravity warps the more distant galaxy’s light into rings or arcs, depending on the geometry involved. By observing these rings, one can calculate how much mass should be present inside the galaxy to produce this pattern. Such calculations confirm that clusters contain far more mass than the luminous matter suggests.

Image of the rich galaxy cluster Abell 2218, taken with the Hubble Space Telescope. This cluster shows evidence of multiple lensing images, as well as numerous strong and weak arcs. Using information about the arcs and multiple images allows astronomers to reconstruct the mass distribution, which then gives us knowledge about the distribution of dark matter. (*)

Dark matter defined

Understanding dark matter is a key to other important issues in cosmology, such as how much mass the universe contains, how galaxies formed, and whether or not the universe will expand forever.

The posited explanations for dark matter can be grouped into three main categories:

– Dark matter could be some kind of ordinary matter that emits or reflects too little radiation for our instruments to detect. Such objects are known as massive astrophysical compact halo objects (MACHOs) and may be ultrafaint stars, large or small black holes, cold gas, or dust scattered around the universe.

– Dark matter could consist of exotic, unfamiliar particles (i.e., different from such known particles as electrons, protons, and neutrons) that we have not figured out how to observe. These are known as weakly interacting massive particles (WIMPS). Despite the many theories about them, their existence remains unconfirmed. These exotic particles are thought to have very small masses (smaller than atoms), meaning that there would have to be a huge number of them to make up the missing matter. Thus, millions of WIMPs are passing through Earth and us. They interact with ordinary matter only by means of gravity. Since the interaction is very weak, it is difficult to detect them.

Our understanding of gravity needs a major revision–but most physicists do not consider this option seriously.

Dark matter and the universe

The search for dark matter is more than trying to explain discrepancies in galactic mass calculations, for it is closely related to how the universe was formed and will end.

The Big Bang theory, which tries to explain how the universe was formed, maintains that in the beginning, everything was compressed into a single point. Then, a great explosion resulted in the universe being formed. It is still expanding. This theory is based on the fact that all galaxies, when observed with telescopes, are moving away from each other. After this explosion, matter started clumping together to form the stars and galaxies we see today.

The picture shows mankind’s deepest, most detailed visible view of the universe provided by Hubble telescope. Representing a narrow keyhole view stretching to the visible horizon of the universe, the Hubble Deep Field image covers a speck of the sky only about the width of a dime 75 feet away. Though the field is a very small sample of the, it is considered representative of the typical distribution of galaxies in space, because the universe, statistically, looks largely the same in all directions. In this picture, Hubble uncovered a bewildering assortment of at least 1,500 galaxies at various stages of evolution. (*)

One problem with this theory is explaining how the stars and galaxies were formed. If matter initially was distributed evenly in all directions, what caused it to clump together in some regions and form stars and galaxies? Gravity alone cannot cause this in a smooth universe, and so something had to supply the initial gravity that allowed galaxies to form. Physicists suggest that dark matter WIMPs accomplished this task. Since WIMPs only affect ordinary matter gravitationally, physicists say this dark matter could be the seed of galactic formation.

According to the Big Bang theory, there are three possibilities for the universe’s future. In a closed universe, gravity is strong enough to stop the expansion eventually and pull everything back to a single point. In an open universe, gravity cannot stop the expansion and so it will continue forever. In a flat universe, there is just the right amount of mass so that gravity can stop the expansion but not pull it back into one point.

The amount of dark matter that exists is crucial to determining the universe’s fate, because the Big Bang theory posits that the amount of mass in the universe determines gravity’s strength and, by extension, whether the universe will be closed, open, or flat. To quantify this, scientists define a constant, called Omega, as the ratio of the universe’s density to some critical density. A flat universe is said to have an Omega of 1, meaning that its density is equal to that of the critical density. If the density is greater than 1, the universe is closed; if it is less than 1, is be open. Without dark matter, the universe’s observed density is between 0.01 and 0.1. Therefore we live in an open universe. If a lot of dark matter were present, the universe would be closed. If there were just the right amount present, it would be flat.

Conclusion

The discovery of dark matter could affect our view of our place in the universe. If its existence were proven, our world and its inhabitants would be made of something comprising an insignificant portion of the physical universe. This probably would not affect our daily life, but would create a new scientific paradigm. In this sense, the discovery of dark matter would be as revolutionary as finding of extraterrestrial life.

Footnotes

1. Herman, R. and S. L. Larson. Is Dark Matter Theory or Fact? Scientific American (15 June 1998).
2. Rubin, V. Dark Matter in the Universe. Scientific American (March 1998).

* http://www.nasa.gov

The word ‘robot’ was first used in the 1922 play R.U.R. by the Czech playwright Karel Capek: the title is an acronym for Rossum’s Universal Robots which become so sophisticated that they take over the world. ‘Robot’ is compounded from the Czech words ‘robota’ or work, and ‘robotnik’ or serf (Capek. 1923).

The use of industrial robots, first clearly identified in the 1960s, along with computer aided design (CAD) and computed aided manufacturing (CAM) systems, characterizes the latest trends in the automation of the manufacturing process (Roth, 1983). These technologies arc leading industrial automation through another transition, the scope of which is still unknown.

Growth of the robotics market has slowed compared to the early 1980s. The use of industrial robots is at present concentrated in rather simple, repetitive tasks which do not to require high precision. However, manufacturing market analysis predicts that early next century industrial robots will become increasingly viable in applications which require more precision and sensory sophistication such as assembly tasks. The automotive industry, where robots have been economically justified since the 1970s, will continue to be the leading user. However, the major growth of the US robot population will occur in non-automotive industries.

2. Robot classes and characteristics

Robots can be classified in many ways. To establish a generic classification system, we shall refer to dimensions or degrees of freedom or DOF.

The DOF of a mechanical system refers to the number of physical axes through which motion can occur. In robotics, DOF can often be equated with the number of joints in the robot.

Typical present-day industrial robots have from one to six-DOF, although more are certainly possible. For example, a wrist can be made more flexible by adding rotation to the twisting already in that joint. Similarly, a fourth DOF can be added to the shoulder, where the arm joins the base to allow additional rotation of the arm. Industrial robots are also classified by the mechanical configuration of the individual elements of the arm and actuators. Theses classifications are: rectangular class (X,Y,Z): cylindrical class (R,?,Z): spherical class (R,?,?); and jointed class (?1,?1,?). This classification begins with simple movements in a rectangular co-ordinate system such as the x-y co-ordinate system.

3. World’s robot population

More than 610.000 industrial robots are now at work according to a new annual publication by the secretariat of the United Nations Economic Commission for Europe (UN/ECE) and the International Federation of Robotics (IFR).

The world’s robot population grew by about 6% in 1993 compared with 8% the year before. These growth rates fall significantly short of those of 16-23% recorded in the booming late 1980s and early 1990s. However, in view of the deep recession which commenced at the end of 1990 in robot-using countries and resulted in large reductions in investment and industrial employment, growth in the robot stock of 6%-8% is still quite impressive. 

Japan accounts for more than half of the world robot stock. However, the net increase in Japanese robot stock fell sharply in both 1992 and 1993. In 1993, the net increase in the robot stock was only about a third of the record year 1990, underscoring the depth of the Japanese recession.

With 325 robots for every 10.000 persons employed in manufacturing, Japan has by far the world’s highest robot density followed by Singapore with 109, Sweden with 73, Italy with 70 and Germany with 62. As a result of falling employment in the manufacturing industry in 1992-1993, robot density increased rapidly in many countries even though the robot stock increased only modestly.

In most countries, welding is the predominant application area for robots, particularly for major motor vehicle producing countries, accounting for more than 20% of the total robot stock. In a few countries machining was the largest application area. Assembly was the largest application area in Japan, accounting for 40% of the total stock of robots. It is worth noting that in Japan assembly accounted for 50% of the net increase in stock while welding only had a share of 9%.After a solid recovery in 1994, the robot market is forecast to boom in the period up to 1998. Based on macroeconomics forecast of the development of world economics the UN/ECE and IFR forecast that the world stock of industrial robots will increase from some 610,000 units at the end of 1993 to over 830.000 units at the end of 1997. As the number of personnel employed in industry is falling, the density of robots measured as the number of robots per 10.000 workers will continue to surge. In terms of units, shipments are estimated to increase from about 54.000 units in 1993 to over 103,000 units in 1997.

While the robot market was expected to be somewhat hesitant in Japan in 1994 and 1995, it was expected to boom in the United States, Western Europe and the dynamic Asian economies. If growth and world trade gain momentum as predicted from 1995, the prospects for the robotics business seem extremely bright.

The potential for expansion of robotics is enormous. If other industrialized countries were to approach the robot densities of Japan and if industry in general were to reach only half the robot density of the motor vehicle sector, the robot stock would increase manifold, and this is not counting the potential for robots in the service industries. The following example gives an illustration of the potential: if industry in France and the United Kingdom were to achieve a robot density half that of the motor vehicle industry in those countries, the robot stock would more than double; if it reached half the density of the Japanese motor vehicle industry, the robot stock in those countries would increase more than 20 times.

4. Summary

The emphasis in this article has been on industrial robots and techniques currently used in that environment. The future of robotics depends on improvements in many technologies to reduce cost and increase the range of performance so that robots become effective in more environments. These technologies include motors, actuators, contact sensors, non contact sensors, mechanisms, lubrication, electronics, computers and artificial intelligence.

References 

• CAPEK. K. (1923) R.U.R.. Samuel French. London.
• ROTH. B. (1983) Principles of Automation, in Future Directions in Manufacturing Technology, based on the Unilever Research and Engineering Division Symposium held at Port Sunlight, April 1983. Unilever Research. UK