Playing live blackjack gives you lot of fun. But your ultimate aim should be your victory in it. You are allowed to bet on one, two, or three hands according to your wish. You will be able to predict what the dealer will do. Because he/she will follow a basic strategy which is part of his/her Blackjack dealing rules. The one and only thing you have to do is to continue playing online with the basic strategy. And surely you are going to make a bigger profit and fun from it.

It’s obvious that one may think that this game is dangerous to play. It is because they think that it will take away all your money. But, in fact it is not so. If it was so, this would not have been so popular game. No one could have ever turned back to this game. When we see that so many people are rushing behind this game, we can make the conclusion that the number of achievers is growing higher everyday. That’s why the live roulette has become one of the hottest and rating online games today.So many countries have online casinos but online casinos usa are the famous ones.

There are many live casinos presenting live roulettes. It being online can be played from anywhere in the world. Since it online and live it can be played at any time of the day. So play it when you feel like playing seeing both your dealer and opponents lively.

New Technology

Terahertz rays aiding in the detection of security threats :

A lot of movies show a typical feature which aids the detectives to see through enemies’ camps. This is in the form of a goggle, which would not raise the concern of the adversary, and at the same time, the hero is able to see where the weapons are hidden and in several cases, disable the bombs. X-rays are used to provide this sort of a facility, which is purely fictional. The use of X-ray is limited and the machine cannot be contained to a small goggle.

But scientists are now developing a new technology which might help to an extent in this matter. By the use of terahertz rays, the scientists are hoping to detect all the security threats, like weapons and bombs which might go undetected in the present days. Terahertz rays extend from the upper limit of microwaves to the lower limit of infrared rays.

Now a days, X-rays are used to detect any fracture in the human body, and also in the security checks to check for any weapons. The use of X-rays are limited as they are harmful to the human body causing disintegration of DNA and hence cancers may be precipitated. Terahertz rays or T-rays are considered harmless, that is, they do not predispose the human body to cancers and hence can be used freely. This benefit also applies at the security checks at any airports or public places where T-rays would reflect on any weapons and can be detected easily. For that matter, T-rays have an additional benefit of detecting even plastic objects which often go undetected in X-ray. Sciensists also claim that T-rays can tell the material of the item which is reflected, as it uses a technique called spectroscopy. In this new technology, every item would be reflected in a different color, so making out a particular item as harmful is easy.

T- rays are not required to be used close to the scanned item, as in the case of X-rays. It can be safely kept at a distance and scanning is done. A lot of research is going on to enhance the capacity of T-rays to use the spectroscopy at a distance.

The possibilities of T-rays are several. They can be used in the pharmacology industry to aid in detection of the contents of the medicines, used to detect tumors in a human body, aid in detecting any defect in the machines. These are just a few of the benefits.

With a lot of benefits under its collar, one wonders what these T-rays are?

They are part of the electromagnetic spectrum, and one area which has been less studied till now. The band width of the T-rays can be between 500gigahertz and 10 terahertz.

Studies have been going on to analyze T-rays, recently particle accelerators have been used to break up the rays and study them.

New technology are being developed to contain the T-rays and direct them accordingly. Also a cost effective method of production need to be developed. The use of synchtron to bend the electrons and produce T-rays is under research. There are still concerns of cost and cooling of the rays, and the size which is important. In addition to these, creation of a continuous wave of T-rays is a challenge the scientists are facing as when T-rays were generated in pulses, it was seen that the bandwidth decreases with distance.

So, how can this be done? Experiments are going on to see whether using two infra red laser machines can be used. The rays produced by the two machines combine to produce a T-ray. A new machine with indium-gallium-arsenide is under consideration.

Also a new technology called Quantum Cascade laser was developed in 1994, which produced rays even in the terahertz range. The wavelengths produced were directly related to the thickness of the semiconductor, which was the reason for success of these lasers. The working of the laser is as follows. An electron is put into the machine which goes to a level and shake up the protons, then fall into another level, emitting phonons. This cycle is repeated and a ray of phonons are produced.

Once the item is detected, a reflection image has to be produced as well. Experiments are going on to produce a detector to create images which can be easily captured by a video camera and reproduced.

There are defects in this new technology as well. But the positive factors are more than the negative factors, so this new technology would be of real help in detecting a lot of security threats.

New Technology

Wireless communication at 60GHz to get more bandwidth.

The new technology, being used in every field of human life has become indispensable and scientists are constantly working on improving the existing technology. The discovery of the use of blue tooth as early as 1990s lead to the development of Wi-Fi and IEEE 802.11, the latest of the series is ultrawideband systems. The most important use of having these technologies is the decreased need of cables and wires to connect electronic equipments, and the increased speed at which transmission can take place. Even with so much speed and bandwidth at hand, scientists are looking for options to utilize even more bandwidth.

Scientists are exploring all the available possibilities to acquire more bandwidth, now has turned their attention to infra red light. As of now, this new technology is used in electronic equipments requiring remote control. There have been not much research in this field till now, but situation has changed, with studies to utilize 60GHz is under way.

Along with this, study on semiconductors is also in progress. Use of silicon chips instead of the gallium-arsenide semiconductors which are used presently is being considered. This would be more cost effective and if the designs are successful, the electronic equipments would be working much faster.

In addition to the increased speed, the size of the chips and antennas also can be decreased, with the help of this new technology. The antennas and transceivers can be put together, as the size of the antennas decrease. This also would lead to the lack of need of cables to transfer the data from the antenna to the chips and from chip to chip. Also, the antistatic devices used during assembly to prevent the electrostatic discharge, can be avoided as there are no more open outputs or inputs.

With every new technology, difficulties also appear. The 60GHz wave gets obstructed by any object in its path, it also travels proportionately to the distance between the transmitter and the antenna. This would considerably decrease the power transmitted by the wave, as it reaches the antenna.

Scientists are working to solve these problems and some have come up. Some of the suggestions include using high power, use of multiple transceivers etc. The use of multiple transceivers is considered a good option, but to make it possible, the design of the transceiver would have to be changed. The transceiver which is used at present might be inadequate to meet the increased demands. And the cost of manufacturing these transceivers also has to be considered.

There are bipolar transmitters offering good speed, but at increased cost of production and there are CMOS chips with low speed and low manufacturing cost. Engineers are debating the use and disadvantages of both these. They aim at improving the CMOS chips.

Operating the technique might be difficult, but not impossible. Scientists are also considering the use of 40GHz along with 60GHz.

The use of adaptive antennas is also under evaluation. These would create a beam which would be directly received, considered a solution of the loss of power occurring at the present stage. In this new technology, a lot of emitters are to be used to reduce the loss of power. If this works out, more energy efficient antennas would be manufactured. At the same time, off chip antennas are also under consideration. This would decrease the amount of power lost after it is received at the antenna.

A lot of effort is going into the development of the new technology so that the use of electronic equipments is made more easy, fast and cheap.

New Technology

Sending fragrance through internet is not distant.

Modern technology is constantly evolving. Scientists constantly work hard to attain newer and improved versions of the electronic equipments, software, facilities etc, to better the life of men.

How does it help? The answer to this question is another question. Can you think of spending a day without your mobile phone or checking the internet to see whether you have a new mail? For most people, the answer is no. This is why any newer technology always attracts your attention.

Well, now let us come to the point. There are equipments which satisfy your sense of sight and hearing. You have movies to watch and music to hear. This is in addition to the reading on internet. But do we have some technology to satisfy the sense of smell?

NTT communications corp, a technology company in Japan is keen on developing a modern technology called Kaori Tsushin, which is Fragrance communications to aid in this. So what does this technology do? It is an internet linked fragrance system, which would be able to produce a variety of scents or smell. This would be delivered to the customer as per demand and aims at providing a satisfying experience.

Wondering who would be interested in such a technology? Well, a lot of people have been asking this question. But ask the owners of the restaurants. It is understood that people have always ordered food items which appealed to their sense of smell as well as the sense of taste. So if the restaurants could post their recipes on a website and the customers accessing the website to check on the food items on the menu, can get the appealing smell, the business would improve. For these people, this is enough reason to order this technology.

And this technology has undergone severe tests also. The technology was tested at Kirin City beer hall, one of the branches of a chain pub in one of the busiest underground mall in Japan. A sign post was placed at the entrance of the pub, with a tall glass of beer on it and a woman dressed only in a bikini, and the sign is connected to the fragrance emitter which is connected to the internet, and works according to the commands placed in the internet. During lunch hours, a fragrance of orange and lemon was released and during dinner time, a lime scent was emitted. The test was intended to see whether the scents attracted more customers than the usual, that is when the scent was not released, and also to see which one of the scents worked better. The test was conducted hoping that the olfactory stimuli being provided would lure the customers at the mall, to enter the pub.

The test was also conducted at some movie theatres in Tokyo and Osaka, where the scents were emitted during the show, the test proved to be very successful. The theatres were packed during the time when the scents were emitted and less otherwise.

Till this time, all the tests conducted on the fragrances have been so successful.

If you want to purchase the fragrance technology for your industry or home, it is now possible. The technology can be downloaded from the site of NTT and then uploaded on the site of aromageur, which is the dispenser of the fragrance. Several enchanting smells like lavender, pepper mint, chocolate etc are available for a cost.

The simple experiment which started off as an effort to expand business of a communications company now seem to be heading up.

]]> http://www.taiwangap.org/smell-o-net-or-kaori-tsushin.html/feed 0 http://www.taiwangap.org/variable-frequency-transformers.html http://www.taiwangap.org/variable-frequency-transformers.html#comments Tue, 01 Sep 2009 14:39:13 +0000 admin http://www.neat158.com/2008/01/08/variable-frequency-transformers/ Variable Frequency Transformers

New Technology

With Variable Frequency Transformer power transfer can be done smoothly without noise.

America cannot produce all the power it drinks. It has to get help from its neighboring countries like Mexico to satisfy her. So power transfer between two grids must take place.

Circuits employing semi conductor devices were used for this purpose. But there is a problem. The power flowing in grid is in the form of AC-alternating current. This AC cannot be controlled using semiconductors. For that purpose we convert the AC to DC-Direct Current. Using the circuits we can alter any parameters of the power such as amplitude, frequency, phase etc. After that, DC is converted back to AC, ie we synthesize AC. But this AC is not as good as natural AC. The problem is harmonic distortions. As we change DC to AC a spike appears at each pulse, which is a noise and is undesired, but hard to eliminate.

With the help of new technology, VFT-Variable Frequency Transformers can do this. Variable Frequency Transformers can convert this power to and from grids without converting the power into DC thus eliminating the harmonic distortions. Another advantage with VFT is that we can have infinite phase shifts between the two powers where as in conventional devices we could have only few predefined phase shifts.

Even though VFTs employs latest technology, someone looking at the Variable Frequency Transformer will recognize it as a hydro generator. In fact AEP-American Electric Power, who has currently installed a VFT between Mexico-US grid, buys it from the same manufacturers who makes standard hydro generators.

Although Variable Frequency Transformers looks like a hydro generator, it seems like VFT has hydrophobia . There is not a drop of water involved here, although it is a hydro generator. The rotor of the Variable Frequency Transformer, is a big three phase electro-magnet which is connected to one grid and the stator, another three phase winding,a stationary winding which is connected to the other grid. When power starts to flow, the phase difference between stator and rotor cause the motor to rotate. The rotor shaft is connected to another motor, called a control motor. We apply torque on the shaft and can rotate the motor in any direction and the direction of the motor determines the direction of power flow. The Variable Frequency Transformer is like a phase shifter having infinitesimally small steps. Wonderful technology isnt it ?

New Technology Automotive

Tiny new technology which helps iphone, digital cameras do wonders.

Have you ever wondered how iphone’s cool features works ? How new laptops can protect their hard disk when it falls down ? How we get crisp images from a cameras even if we shake the device ? The answer is accelerometer.

Accelerometer in essence is not a new technology. Its been on the desk of researchers and scientists well from 1990s, but only recently with the help of latest technologies small scale accelerometers were made so that it can be used in the devices above mentioned.

Accelerometers are a special kind of device called MEMS- Micro Electro Mechanical System. There are various types of accelerometers. A simple one is having a cantilever beam which is suspended and some complex sensing circuitry. It converts the acceleration (force) to displacement which is then measured. New technology accelerometers looks nothing but like an IC (Integrated Circuit). It consists of a bubble producing system. It heats the gas bubble and another system senses the location of the hot bubble as the accelerometer is accelerated or tilted.

The application and use of new technology accelerometers are endless. Lets begin with the much awaited gadget of 2007, iphone.

Apple Iphone uses accelerometer to sense the tilt of the phone, so that it can switch from portrait and landscape modes.

New phones from Nokia such as 5500 uses accelerometers for many things. A small tap on the phone can control the music in phone. Nokia N95 and 70 also uses accelerometers. N95’s accelerometer function can be accessed even by third party software, but in N70 they use it only for tilt sensing in camera mode.

Sony Ericsson use accelerometers in a wide range of phones. In their phones you just need to shake the phone to change tracks. There are J2ME games incorporating accelerometer functions.

Are you tired, there are lot more to come, read along if you are that brave.

The Wii was a headache for the big players like Sony (PS) and Microsoft (Xbox). The Wii remote incorporate accelerometer for measuring tilt and movement so that it can be complemented on the screen.

Famous shoe brands such as Nike uses it to determine speed, distance of the runner. They attach the accelerometer in their shoes which does the sensing part. The result is shown on some device such as watch, which are also produced by Nike.

Leading laptops have a security feature that claims it uses new technology to protect the data at all cost, even if the laptop falls down. Wonder how ? Here also they use the accelerometer, which is obvious. So when the laptop falls down, the accelerometer picks the motion and the write current is turned off, so that the disk remains scratch free.

Cam coders and digital cameras use accelerometers for image stabilization and anti-blur capturing. They “snap” the CCD sensors in the cameras if they detect a movement.

Accelerometers are in automotive for quite long. Its with the help of this device that air bags work. Any quick reduction in speed, ie a negative acceleration, will trigger the air bags.

The use of accelerometer doesn’t stop here. Even in the previous post about Life Saving Helmet, they use accelerometers.

New Technology

Wireless helmets that give coaches warning before players goes to concussion

For those who haven’t seen American football (rugby), i will briefly describe whats the big deal. Imagine rhinos or SUVs ramming against other SUVs with forces exceeding 10 Gs. I am not going in detail about G and all, 10 G means pretty bad for the human body, in this case the “head” is affected. In the game, players try to knock other team’s ball carrier by directly hitting them with their SUV sized body. Its usual that players get knocked out or concussed in each game. Each year the number of players that pass out is in the order of 1000s or even more.

So with the help of new technologies like wireless connectivity, researchers found out a new technology that can save these players and help coaches keep their good player in good shape.

Its all in their helmets, which is known as Head Impact Telemetry System. These new helmets made with the latest technology packs an accelerometer, a temperature sensor, a wireless transceiver (transmitter+receiver), nonvolatile memory, battery pack. Even with all these additions the helmet doesn’t goes out of shape. All these components just adds up to 175gms (thanks to new technology electronics) to the original helmet weighing 1-2 kg. With these additions instruments the helmet doesn’t feel any different from an ordinary helmet.

Before going in deep with the new technology, lets see why this new technology is needed. Well players get injured in the very physical game. Their collisions may cause headache, nausea, short term memory loss, even a brain injury.

The working of this device is very simple. The six accelerometers placed in helmet detect any sudden movements and the algorithm does certain calculations and decide whether the collision was lethal or not. Normally the lower limit of the force is 10 G. So when the player gets a hit greater than 10 G, the helmet sends data to the sideline about the exact force, area if impact, etc. wire-lessly. The coach and other dudes there can then study on the impact and decide whether to call the player in or not.

The new technology is not yet approved by NFL (National Football League). But for the safety of our favorite players lets hope it gets approved soon and it will become the part of regular uniform.

Tail: Andre Waters is a victim of brain injury caused from football. He is just 44 years old, but suffered from depression and later suicided. An autopsy of his body reveals that his brain was almost like a 80+ year old’s brain. The one who did autopsy said, its like the brain took repeated hits, which occurred during his playing career.

New Technology Article

Using photons rather than electrons to move data in chips

Today the world is hungry for bandwidth and speed. But this is limited by the way we use to connect various points. If you think am speaking about two buildings or even two countries, you are wrong. Am speaking about interconnections in a single chip. At present the interconnects in an IC is made with copper. But what is happening is at luxurious speeds as 10 billion B/s (bits per seconds) these interconnects prove to be less efficient.

Continuous experiments have given many alternatives but at the cost of high price. The best one from the array is by using optical fibers and thus replacing photons instead of electrons. The advantage of this method is that the overall cost is less compared to other methods and the data rate you can achieve is far more than that achievable through copper connects.

What’s the big deal with these interconnects anyway huh? Imagine you can download movies with just a click rather than waiting for hours, simultaneous streaming of audio, video, teleconferencing, and you name it. Sounds cool, isn’t it? This is what is possible if we have optical fiber interconnects in the chip level.

The superiority of optical connection is best explained by the following example. Optical data can travel for long distances (say 10 km) without any attenuation. The data rate can be increased by a technique called WDM-wavelength division multiplexing.

Myself is a communication engineer, so I will elaborate on this. Distortion, interference these occurs when the wavelength/frequency of two signals in a single medium becomes equal or very close. So if you can transmit several distinct frequencies at the same time, then you can use the single medium to transmit all these at the same time. In short you are multiplying the capability of the medium’s data carrying capacity. Currently using WDM you can transmit over 40 different data signals into a thin hair strand size optical fiber, all running at the data rate of 10 GBps. wonderful isn’t it, copper connects can’t even dream about it.

So why isn’t this new technology not in your chips yet ? It isn’t simple as it sounds. Optical devices are made with materials such as lithium niobate, indium phosphide etc which are very exotic compared to silicon. So its very costly and expensive to fabricate these into a normal chips.

A normal optical fiber communication link requires the following parts.
Modulator-to convert electrical data into light
Transmitter-to transmit this light into the fiber
Optical fiber-the medium
Receiver-to receive the optical data
Demodulator-to convert optical data back to electrical data

What we need to do is to manufacture all these devices onto a single chip. This is the ultimate goal. What this step exactly means is you make the modulator, source, medium, detector, demodulator etc on the same silicon substrate. Researches have now enabled silicon to have optical properties. An optical channel can be made in silicon by literally etching a channel in the substrate. For source, silicon laser has been developed by Intel’s state-of-the art facilities. As for all the other parts, researches are going on.

Although they encountered many problems, they are troubleshooting them one by one. In short, the time for a single chip that is half the size of a postage stamp which is able to handle all the operations of whole building won’t be too long in the future.

New technology

EM pulse gun that can stop cars

People who have seen the film 2 fast 2 furious please recall the beginning scene where,the hero is being is chased by the cops and he is being stopped by them by using a weirdly looking gun.They fire at him and his car,which is state-of-the art, and it just dies at the next moment.

Very futuristic technology but cool right ? well thats going to be true. but not exactly as you see in the film. its not going to be a “handy” gun, its going to be mounted on the top of a car.

The EM pulse gun assembly is mounted on the top of the car and is powered by car’s alternator.It sends out high power pulses (high frequency radiations) which will kill the microprocessors of cars.The big deal with the microprocessors is that,they control the engine.They control the ignition control,fuel injector,fuel pump,etc. without the engine, the car is dead,motionless.

The EM pulse gun would be great help to the law enforcements,military bases,communication centers,oil platforms etc.

The EM pulse gun right now weighs 200 pounds.this is setup on the top of the car.It takes DC power and generates pulses with 50ns duration, and then it is amplified to 640kV using a 16 stage Marx generator.This is then transformed into microwave oscillations. These oscillations are then directed to an opposing vehicle through specially designed antennas.

The radiations from these antenna will damage the car as told before (ECU-engine control unit),etc.Actually this is not a quite new system,military had developed this long before.but the equipment was so bulky and heavy to use in a car.But the guys at Aerospace system made that thing smaller and integrated to a car.

The only drawback of the system is that it cant be used against old vehicles, old vehicles that don’t have an ECU and all those stuff. Common who is going to break the law in a 1970 “Chevrolet Nova”, so that wont be a problem.

New Technology

Moore’s law questioned ?

The world of semiconductors is going to have big change with a new technology.A change so inevitable to keep Moore’s law alive.Moore’s law states that,the number of transistors in an IC will double every 24 months.How can this number increase in an IC without decreasing its size?

Of course by decreasing size of whats inside.To be more clear the IC am talking about is processors in the very computer you use.A processor usually having a size of 3 by 3 cm,the real size is even smaller; this size is to accommodate the external connections. The IC consists of many millions of transistors.So to keep the Moore’s law true we have to double this million number of transistors. We attain this by decreasing or shrinking the internal components.

Then what is the big deal,just decrease it !!!! Here is the catch,how far you can decrease the size? suppose the size of transistors in olden days were a size of 3 bed room house,then if the house is shrunk as the transistor is shrunk to the current state then you can easily place the house in your palm. that is the factor of shrinking we have done until now. the problem is the dimensions of transistors is already in atoms. if we try to decrease the size further then it would behave weirdly. Also another thing of concern is that, the oxide layer is leaking electrons due to its extremely small size. this means our processors drinks more power, say for example our laptops,drain the battery quickly. So we have to find a new alternative or a new technology very fast.

The only way is to find an alternative to the material used. Yes they have found it. If materials with high-k is used which is made with new technology, then we can easily prevent leaking electrons. now ‘k‘ or di-electric constant is the ability of a material to block the current from flowing.

Even though they solved the dielectric problem, still they didn’t got the performance they wanted. After intensive experiments and simulations they found out if metal is used as gate electrode instead of poly silicon they will get much better performance without implementing any new technology.

So with all these advances, Intel is making their new line of Core 2 processors called Penryn at 45nm and some at 35nm resolutions.

So next time when you upgrade your system and when you see it rips or encodes your video like wind, don’t wonder and ponder about the technology that enables it to do all these.