Three Emerging Technologies that Will Change the World

Paul McGillivary asked:


I was speaking with a friend the other night about his great grandfather. His great grandfather was born in 1875. He lived until 1965. Can you imagine the technology that this man saw come online? Let me name a few: the typewriter, the electric dental drill, the telephone, the phonograph, the incandescent light bulb, the hearing aid, the electric fan, the dishwasher, the escalator, the airplane, the Model T automobile, the air conditioner, the defibrillator, the atomic bomb, the electric guitar, the nuclear submarine, nylon, the polio vaccine, and the laser. He died right when the first minicomputer was coming to fruition. All of that in the span of his lifetime. Which leads me to the topic of this article. Technology has completely changed the way we live. And technological advances have accelerated at unbelievable speeds. Technology is converging in ways no one could have foreseen. I want to highlight some of the most interesting technologies out there. These are technologies that will change the world, for good and bad.

Nano Technology

Probably the most interesting and frightening of the emerging technologies is nano technology. Nano technology is a cross disciplinary field that deals with building and synthesizing materials at scales of 100nm or less. Nano technology usually works in one of two ways. It either pulls smaller parts together to build or it breaks bigger parts down. The parts are then used to form smaller, new materials. But why is nano technology so important?

Nano technology is important because it will have massive effects across every area of life. As I write this, researchers are working on a nano particle to target cancer cells in lungs. In 2004, Rice University tested gold nano particle cancer treatment. In this treatment, these 150 nanometer gold particles were injected into the blood stream of cancerous mice. Gold particles at this size pass into tumors, but not healthy tissue. The researchers then passed infrared through the mice. The tumorous cells absorbed the infrared, heated up, and were destroyed. They are also working on quantum dots that allow doctors to easily identify multiple diseases quickly and accurately. But the uses don’t stop there. Nanotechnology will drive down the scale of electronics. This will lead incredibly small devices. The applications are limitless. And you can bet that the military will be clamoring for nano technology. The military is looking to have numerous nanotechnologies online by the year 2015. Such advances include performance enhancing nanotechnology that aids bodily functions. These will include response times, oxygen use, and heightened senses. But nanotechnology can also be used for reconnaissance and combat. Nanobots could scout areas without being seen. They could also enter into enemies for espionage. They could kill targets from within the host’s body. The possibilities are frightening.

Alternative Energy & Fuels

When gas prices skyrocketed this past year, many people suddenly took an interest in alternative energy and fuels. And because demand rose, companies suddenly found themselves forced to take interest. Most of the common arguments for alternative energy and fuels center around issues of pollution, cost, dependence, and jobs.

What most people don’t realize is that alternative energy and fuels always have environmental effects. This can be in the form of heat generation, air pollutants, waste by-products, land usage, extraction, etc. Instead, we have to talk about pros and cons around each type of energy and fuel. There is no silver bullet. Costs, dependence, and jobs also vary depending on the energy type.

There are a host of alternative energies being tested. Wind powered energy plants are already in place in many parts of the world. Solar energy production has taken huge steps forward with the help of nano technology. One such company is Nanosolar. Nanosolar is producing solar cells that are 100 times thinner than conventional cells. Not only are the cells cheaper to produce, but they also convert the solar energy much more efficiently. Ocean thermal energy conversion (OTEC) uses the temperature differences in the ocean layers to produce energy. And OTEC can utilize this colder water (36 degree F cooler) in other things like on shore agriculture and refrigeration. And the list goes on.

Massive interest was generated in alternative fuels this past year when gas prices hit record levels. New developments in battery technology could help. One such development is Millennium Cell’s hydrogen battery technology. This technology differs greatly from traditional rechargeable batteries in that it’s instantly rechargeable. It also has a much great efficiency for energy conversion, so it is much smaller and lighter. There is also greater reuse efficiency since you don’t need to replace the entire battery. You only need to replace the energy module. Developments are continuing in biodiesel, electric, hydrogen, methanol, etc. I think there could be some serious future synergy between nano technology and alternative energy.

“Bionetics”

This is my name for the incorporation of technology into the body. The dermal display is a great indication of things to come. Though I have yet to find a working demo version of this concept, I have no doubt that it will become a reality. The display would be driven by millions of nanobots. These nanobots would display light when touched. This would print a display onto your hand, or wherever the nanobot display would be housed. And this is where it gets really interesting. The display nanobots would be connected to millions of other fixed and mobile nanobots throughout the patient’s body. This would give instant readings on hundreds of vital statistics. Again, nanotechnology plays a strong role here.

The bionics revolution is already underway. There have been four major cases of robotic limbs recently, the latest being a woman. The robotic limbs take advantage of the functional nerve endings in the limb stump. These nerve endings are used to actuate the robotic limb and to provide feedback to the brain. More money is being poured into robotic limbs every year.

“Functional bionetics” are implants that enhance our lives. And you may be surprised to know that people are actively doing this as I write. People are inserting tiny electronics in their bodies that will unlock their front doors and their cars. The same technology is being used to unlock computers. But it doesn’t stop there. There is talk of implanting devices that will carry health information. You could be carted into a hospital totally unconscious and they would be able to access all of your past medical history. Most of this is done through RFID technology.

“Bionetic networks” will be networks of connected bionetic devices. This would allow people to share sensation, feelings, and communication. If this sounds completely fictional, I invite you to consider the work of Kevin Warwick, Professor of Cybernetics at the University of Reading, England. He has implanted an extra-sensory device that interfaces with one put in his wife. They were implanted in their arms. The first experiments are aimed at exchanging sensory inputs, like pain. The hope is to extend that to other, more complicated neurological processes like thoughts and emotion. Obviously, that would drastically change relationships and indeed the world. Forget about your teens text messaging, maybe they will be brain linking in the future. Now that’s really scary!

What will we be able to say came online in our lifetimes? I’m sure we could already list a lot of important technologies. But keep your eyes out for these emerging technologies. They are set to change the rules of our world. These technologies will upset economies, change military tactics, empower people, and be used to control others. Keep an eye on them.

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Residential Solar Energy, Solar Cells Types, and the Growth of Silicon Sources (Part 7)

Daniel Stouffer asked:


In the following, we tell the story of silicon sourcing back to it’s bust in the early 1990s, define the different types of solar cells, and highlight (briefly) the new solar technologies emerging today (thin film and nano-solar).

The following topics will be explained in varying levels of detail; how a solar cell converts sunlight energy via the use of different types of silicon, the use of silicon and where it comes from, and a little about the history of silicon sourcing over the past 18 years.

The Future Solar Panel and Home Solar Manufacturing

As the residential solar power industry has matured and showed a steady growth of about 40 percent a year, the silicon industry is now responding with new production and caches of raw materials. Many silicon refineries and new silicon sourcing companies are getting the funding and moving towards rapid production in the next dozen or so months. There are plans and announcements by several companies such as GE, BP, and others about launching new facilities that produce silicon at a fraction of the cost we may be experiencing today. This is all exciting news for home solar power enthusiasts and for those wishing to upgrade to residential solar generated electricity.

The silicon industry is or has been slow to increase overall manufacturing capabilities because of the large growth during the early 1990s that eventually when stale. The extreme growth expectations were hyped and many industry experts expected much expansion in the early 1990s. This just did not happen 18 years ago. Fortunately, we are now experience much more accepting market, social expectations of our movement to renewable technologies, and governmental support to make the switch to home solar power.

In the past, the solar silicon refining industry made solar panel manufacturers sign long-term contracts at extremely high prices to secure any silicon at all. For example, a solar manufacturing plant had to slow production to a trickle because of a lack of silicon. The economics have now changed since 2006 making massive silicon contracts viable at better prices.

Nano-Solar and Thin Film Solar Cells: It’s the Future

We are now at the dawn of a home solar energy revolution. The solar power manufacturers invented and are beginning to manufacture new solar modules that do not use silicon at all. There are alternative materials using nano-technology that are and will continue to radically change the consumption and production of solar generated electricity.

Some of these materials are still experimental but tried and true solar technologies are now available on rental basis so homeowners can avoid the large upfront purchase expenses. Because there are now large sources of silicon, homeowners now have the choice to upgrade to solar on a large scale across many markets in the United States that were once thought too expensive to install residential solar systems.

Sourcing of Silicon for Home Solar Energy Systems

The material used to make most solar cells today is the abundant element called silicon. In simple terms, silicon is one of the most common elements on Earth. It really is no more than sand. It can be melted down, added to other materials, and manufactured into thousands of products. Availability of solar grade silicon has been one of the limiting factors in the solar module manufacturing industry for the past several years.

The story goes something like this. Solar grade silicon is produced in large scale, expensive to build processing facilities. “Well, isn’t it just sand?” One might ask. Of course, sand is basically silicon, but with a lot of impurities. Solar grade silicon is highly refined silicon that is purified through gasification and then “doped” with precise impurities to create free electrons, which is explained in following articles.

There are basically 3 types of silicon going into current solar energy systems being installed today;

1. Silicon Crystals: A silicon atom has a positively charged nucleus that is surrounded by negatively charged electrons. The important factor in silicon is that it has 4 outer electrons. The 4 orbiting electrons can bond to the other electrons rotating around different elements. Each silicon atom connects with 4 more silicon atoms to construct a perfect pattern, a repeating crystalline structure.

2. Monocrystalline Silicon: The silicon is grown as large cylinders, which are sliced into wafers that become individual solar cells.

3. Polycrystalline Silicon: Liquid silicon is poured into thin containers and cooled.

Emerging Availability of Home Solar Energy System

Want to know how to rent a home solar electric system for your house? Well, it’s pretty simple. You basically pay a flat monthly rental fee just like you do today for a satellite dish or some other equipment you rent. The rental fee is determined by the amount of energy you use, the solar resource in your area and the cost of energy in your region. A solar engineer will come to your home, look at your roof size, angle and shading to size the system for your location.

Going solar and using renewable, solar energy is getting simpler every day. The following article explained in some detail why the sourcing of silicon has slowed in the overall residential solar power market in the past. This is just not the case any longer and more options are emerging daily for the average homeowner to rethink solar power and renewable solar energies.

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