Author: admin | Posted: 28-07-2010
The technology we have today is just outrageous compared to just 20 or even 10 years ago. What are your predictions or insights into the the future? Are robots/machinery/wireless technologies going to run the show?
Mechatronics – Mechanical systems are combined with electronic components and software which can identify and correct flaws in real time to ensure the overall system functions as intended. Though already found in aircraft and photocopiers, the falling prices of both microprocessors and sensors make them ready for prime time in the automotive world.
Grid computing – The Internet links computers. Hypertext links documents. Grid protocols link everything else – databases, simulation tools, and underutilized computing power. Computer grids function analogously to the electric grid. Widely dispersed on-line resources become available to focus on the problem at hand.
Molecular Imaging – Multiple imaging techniques – magnetic, nuclear, and optical – are combined with computer analysis to observe molecular interactions underlying biological processes. Molecular signals may indicate cancer growth, for example, long before the cancers are detectable by conventional means.
Nanoimprint Lithography – Like a printing press, a hard mold is stamped into a material momentarily softened by a laser flash, creating reproducible features smaller than 10 nanometers across in less than a microsecond. The commercial challenge is to etch nanopatterns into silicon for microchips.
Software Assurance – Software bugs and computer crashes are a pervasive fact of life. New tools are being developed which model and test a software design before the programmers write the code, in much the same way a bridge design is tested before the bridge is built. Another analogy is the quality movement in industry during the 1970s and 1980s, which replaced sampling and testing all products and rejecting those not meeting specifications with building quality into the product at every step of design and manufacture.
Glycomics – Glycomics is the effort to understand and harness sugars that are naturally made by the human body, in order to improve health by bolstering the immune system or by arresting disease processes. Sounds easy, but there is, as of yet, no code that determines the structure of the sugars.
Quantum Cryptography – Commonly used encryption of messages is based on fixed "public keys," whose codes have not been broken yet, but they will be someday. Quantum encryption creates a unique "key" for each message, and any attempt to intercept the message irrevocably alters the signal, making the message unreadable to anyone.
Brain-Wireless Sensor Networks – Small (AA battery sized) devices called motes combine a processor, memory, and sensors to monitor their local environment, and have just enough radio power to transmit snipPets of data to nearby motes to pass along to other motes, thereby creating a self-organizing network. Applications include traffic, buildings, and ecosystems.
Injectable Tissue Engineering – Joints, such as hips or knees, are injected with mixtures of polymers, cells, and growth stimulants that solidify and form healthy bone and cartilage. Injectable systems are less invasive and less costly than surgical replacements.
Nano Solar Cells – Tiny nanorod semiconducting crystals are added to electrically conductive polymers to create very thin sheets (200 nanometers thick), which are then sandwiched between electrodes to carry away electricity generated when struck by sunlight.
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Author: admin | Posted: 25-07-2010
We have grown up in an age dominated by new Technologies. Looking ahead, what is one significant challenge that you anticipate new technologies to bring to the governments, economies, and societies of the world ?
The economical way to separate water into hydrogen and oxygen. When hydrogen is inexpensive, then more can be used for generating electricity and propelling autos, trucks, trains and aircraft.
cp
Staying On Track With Your Weight Loss Plan – Diet Direct
When you want to lose weight, distractions and detours seem to pop up everywhere – baby showers, business lunches, birthday parties, grab-n-go dinners, breakfasts-on-the-run, weight loss shakes etc. What can you do to stay on track? Try these tips: Set a Goal, Divvy it Up, Make it Real, Be Prepared, Get Support & Celebrate Victories.
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Author: admin | Posted: 10-07-2010
What were the new military Technologies and strategies of 18th century warfare? Who made up the bulk of the soldiers and officers? Describe (1) one example of a political war of the period.
the soldiers are equipped with new flintlock rifles which is safer than the matchlock rifles,new military formations to make the firepower more effective,heavier artillery to terrify on every soldier it hits, the weapons have longer range than the past centuries making it deadlier.
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Author: admin | Posted: 06-06-2010
Steven Sasson invented the first digital camera using a CCD. I was wondering what other Technologies have been influenced by Sasson’s CCD system. Does anyone know of any?
I just found out that after the digital camera, CCD technology was applied to microscopes as well. Does anyone know why a CCD microscope would be better than the previous models?
With a CCD on a microscope, you can get an Electron Microscope!
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Author: admin | Posted: 04-03-2010
I have to turn in four articles tomorrow about 4 different technologies used in physical science. I have spent as much time trying to find more ideas, but i couldn’t come up with anything. Any help is appreciated.
http://www.google.com/search?hl=en&num=100&q=technologies+used+in+physical+Science&aq=f&oq=&aqi=
keyword: technologies+used+in+physical+science
>"I have spent as much time trying to find more ideas, but i couldn’t come up with anything."
You know, looking up in your colon may not be the best resource!
Author: admin | Posted: 14-02-2010
I’m just getting started in web design, but I’m much more interested in more in-depth web programming than just HTML and CSS. I’m pretty well versed in Javascript and Ajax, and I’m working on my SQL and PHP, but I’m also curious about Coldfusion, ASP, etc. What are some good Technologies I should start working on to help my career?
while I am sure there will be plenty of boiler plate answers coming in the next several hours, my advise is to not limit yourself to just web development. If the job market over the past year or so has proved anything, it is that having a variety of specialities to fall back on can mean the difference between the endless procession of interviews and an actual job. So, everything you mentioned in your question are good technologies to work with but don’t forget about the desktop side of things.
Author: admin | Posted: 04-02-2010
are there any books or websites that give some in depth information on how the different Technologies work at the Disney resort? I want to learn how the animatronics work, how they create some of their illusions on the rides, Ect.
An excellent book that is out and available is:
The Imagineering Field Guide
I believe that there are several of these, one for each of the main parks at Disney World.
There are several DVD’s available from the History Channel that delve specifically into the animatronics including their latest "Lucky" (a free-roaming animatronic dinosaur).
Check Amazon.com or your local library for these…
Author: admin | Posted: 04-02-2010
are there any books or websites that give some in depth information on how the different Technologies work at the Disney resort? I want to learn how the animatronics work, how they create some of their illusions on the rides, Ect.
An excellent book that is out and available is:
The Imagineering Field Guide
I believe that there are several of these, one for each of the main parks at Disney World.
There are several DVD’s available from the History Channel that delve specifically into the animatronics including their latest "Lucky" (a free-roaming animatronic dinosaur).
Check Amazon.com or your local library for these…
Author: admin | Posted: 31-01-2010
There are a lot of technologies being researched – we just don’t know it yet. But what do you think will exist in five years from now? You may have read about it, or it may have crossed your mind. What kind of Technologies exist in 2011?
High speed Electrical Car, which can reach the speed of 370 KM/H
Author: admin | Posted: 28-01-2010
What new knowledge and Technologies enabled 15th century mariners to make long overseas voyages? Where did much of this technology originate?
Columbus and Dead Reckoning (DR) navigation
At the end of the fifteenth century, celestial navigation was just being developed in Europe, primarily by the Portuguese. Prior to the development of celestial navigation, sailors navigated by "deduced" (or "dead") reckoning, hereafter called DR. This was the method used by Columbus and most other sailors of his era. In DR, the navigator finds his position by measuring the course and distance he has sailed from some known point. Starting from a known point, such as a port, the navigator measures out his course and distance from that point on a chart, pricking the chart with a pin to mark the new position. Each day’s ending position would be the starting point for the next day’s course-and-distance measurement.
In order for this method to work, the navigator needs a way to measure his course, and a way to measure the distance sailed. Course was measured by a magnetic compass, which had been known in Europe since at least 1183. Distance was determined by a time and speed calculation: the navigator multiplied the speed of the vessel (in miles per hour) by the time traveled to get the distance.
In Columbus’s day, the ship’s speed was measured by throwing a piece of flotsam over the side of the ship. There were two marks on the ship’s rail a measured distance apart. When the flotsam passed the forward mark, the pilot would start a quick chant, and when it passed the aft mark, the pilot would stop chanting. (The exact words to such a chant are part of a lost oral tradition of medieval navigation). The pilot would note the last syllable reached in the chant, and he had a mnemonic that would convert that syllable into a speed in miles per hour. This method would not work when the ship was moving very slowly, since the chant would run to the end before the flotsam had reached the aft mark.
Speed (and distance) was measured every hour. The officer of the watch would keep track of the speed and course sailed every hour by using a toleta, or traverse board. This was a peg-board with holes radiating from the center along every point of the compass. The peg was moved from the center along the course traveled, for the distance made during that hour. After four hours, another peg was used to represent the distance made good in leagues during the whole watch. At the end of the day, the total distance and course for the day was transferred to the chart.
Columbus was the first sailor (that we know of) who kept a detailed log of his voyages, but only the log of the first voyage survives in any detail. It is by these records that we know how Columbus navigated, and how we know that he was primarily a DR navigator.
Since DR is dependent upon continuous measurements of course and distance sailed, we should expect that any log kept by a DR navigator would have these records; and this is exactly what Columbus’s log looks like. If Columbus had been a celestial navigator, we would expect to see continuous records of celestial observations; but Columbus’s log does not show such records during either of the transatlantic portions of the first voyage.
It has been supposed by some scholars that Columbus was a celestial navigator anyway, and kept his celestial records hidden for some unknown reason. (This supposition is necessary to support some theories of the first landfall.) But this hypothesis does not hold water. Columbus’s ships were steered by helmsmen at a tiller, below the quarterdeck. The helmsmen could not see the sky, so the only way they could keep a course was by magnetic compass. The officer of the deck had his own compass, and would call down course changes as necessary. This means that the courses used aboard ship (and in the log) would have been magnetic courses.
Now suppose that Columbus was making unrecorded celestial checks on his latitude as he sailed west on his first voyage. In that case, as magnetic variation pulled his course southward from true west, he would have noticed the discrepancy from his celestial observations, and he would have corrected it. In other words, if Columbus were a celestial navigator, we would expect to see a series of small intermittent course corrections in order to stay at a celestially determined latitude. These corrections should occur about every three or four days, perhaps more often.
But that is not what the log shows. On the first voyage westbound, Columbus sticks doggedly to his (magnetic) westward course for weeks at a time. Only three times does Columbus depart from this course: once because of contrary winds, and twice to chase false signs of land southwest. In none of these cases does he show any desire to return to a celestially-determined latitude. This argument is a killer for the celestial hypothesis, and was first made by Rear Admiral Bob McNitt (USN) in 1992.
Well then, could Columbus have corrected his compasses by checking them against the stars — and thus avoid the need for course correc
Author: admin | Posted: 23-01-2010
What types of technologies should we rely on to modify any harmful effects that humans bring about in the environment? How do we mandate or legislate these technologies?
Most harmful Environmental effects can be ameliorated through discoveries in chemical and electrical engineering. For example, techniques are being developed for cleaner petroleum distillation, so that greenhouse gases are not released into the atmosphere during gasoline production. Likewise, greenhouse gases are being reduced at electric plants that generate energy from coal combustion. Chemical engineers continue to develop better methods for removing toxic byproducts, or industrial wastes, instead of dumping them into sewage, landfills, or water sources.
Electrical engineers are developing alternatives to fossil fuels, such as wind turbines, geothermal facilities, solar panels, and battery-powered vehicles, all of which will reduce global warming and energy dependency on foreign nations.
Legislators can enact laws which stimulate scientific research and technological development, including tax policies which allow R & D to be deducted from tax liability, government subsidies that support development of new energy sources, and laws that mandate automobile manufacturers to build electrical cars, or that requre electrical utility companies to reduce carbon emissions.
Author: admin | Posted: 21-01-2010
What Technologies are available to prevent formation of aluminum oxide ?
I really do not understand the question. On exposing aluminum to air, it almost instantly forms a thin layer of Al2O3 on its surface. As far as I know there is no way of stopping this (other than not exposing it to air). I suppose a thin coat of a non-oxygen bearing polymer would stop that happening. Once the alumina layer has formed there is no further reaction as the layer effectively seals the Al off. That is why Al is so corrosion resistant.
Author: admin | Posted: 10-01-2010
Milow – Ayo Technology (Copyright 2008 Homerun Records) Buy it on iTunes: http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewVideo?id=299423714&s=143441
Duration : 0:3:33
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Author: admin | Posted: 10-01-2010
Homework Help!
What technologies are available to determine the acidity of a solution?
These days we have electronic pH meters. These work by sticking an electrode in a solution and measuring the current that flows, and hence the ions present. Most use glass membranes to only let H+ ions in.
You can calibrate these by sticking them in a buffer solution of known pH.
They are pretty quick and easy to use, and give fairly accurate readings.
We also have pH paper and indicators- indicators change colour at a certain pH. By combining indicators, you can establish a pH range.