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- 720p: 720p means that the resolution of the picture is 720 vertical pixels by 1,280 horizontal pixels, and p stands for progressive scanning. Progressive scanning offers a smoother picture as 720...more
- 802.11: 802.11 is the standard communication standard Wi-Fi Wi Fi UMTS to compete with an infrastructure that could quickly equip public places (train stations, airports) and is compatible with PDAs and...more
- 80mm Vantec Stealth Case Fans: Noise: something we all have to deal with in the battle with heat. Heat; something we all have to deal with along with new hardware. What am I getting at? Well, here’s a concept that works,...more
- 9700 Pro vs ti4600: Both cards use DDR1 ram, running at 310mhz(620) on the Radeon and 325mhz(650mhz) in nVidia's case. The difference is that ATi use a 256bit pipeline unlike the ti4600's 128bit pipeline....more
- A biocomputer for the health: A team of scientists of the Princeton University and Harvard University has put to point a biocomputer to endocellulare a lot ' raffinato' from the technological point of view. The...more
- A block: A masonry unit with one end closed and the other open; a web separates the two ends so that when the unit is placed against a wall two cells are formed. more
- A chip for the baggages: A new use of the labels of last Rfid generation that are transforming the world of the logistics could put the fine word to the loss of baggages in the airports. Every year 200mila suitcases come...more
- A chip for the emotions: Well yes... From today it seems that it is possible also to try, thanks to an implanted microchip sottopelle, the emotions tried from other persons. The Professor Kevin Warwick of is enough sure...more
- A chip for two it arranges nervous: The university professor of cybernetics Kevin Warwick, dell`Università of Reading in Great Britain, has announced to have completed the prototype of its chip that - says - two connect arrange...more
- A chip to punch card: The scientists of prestigious IBM of Zurigo have conceived a system that allows to store until a terabit of information on a great support like a stamp. The used principle is identical to that one...more
- A Circuit With A Free - Wheeling Diode (Circuit Diagram): The circuit shown above differs from the circuit described in the previous page, which had only diode D 1 . This circuit has another diode, marked D 2 in the circuit shown above. This...more
- A Circuit With A Free - Wheeling Diode (Circuit Operation ): Let the source voltage v s be defined to be E*sin (wt). The source voltage is positive when 0 p radians and it is negative when p p radians. When v s is positive, diode D 1...more
- A Circuit With A Free - Wheeling Diode (Mathematical Analysis): An expression for the current through the load can be obtained as shown below. It can be assumed that the load current flows all the time. In other words, the load current is continuous....more
- A Circuit With A Free - Wheeling Diode (MATLAB Simulation): A matlab program for simulating the half-wave rectifier with a free-wheeling diode is presented below. % Program to simulate the half-wave rectifier circuit % The circuit has a...more
- A Circuit With A Free - Wheeling Diode (PSPICE Simulation): The circuit that is used for Pspice simulation is shown below. The nodes are numbered and the components have been labeled. A Pspice program to simulate the circuit shown...more
- A Circuit With A Free - Wheeling Diode (Simulation): The operation of the circuit can be simulated as shown below. During 0 q p , the expression for current is presented as equation (9). During p q p , the expression for...more
- A comparison between man and computer of Balbi: Inasmuch as between these two terms always confusion has been made, I allow myself to introduce some concept that often has helped me to resolve my problems. In order to help me in the exposure...more
- A computer that kitchen: The Icosystem, a society of Cambridge (Massachusetts), is working to the realization of a computer in a position to cooking and quite to invent new prescriptions. The search is financed with...more
- A GPB 450W Triple Ceramic Fan Power Supply: The power supply of a computer is often the most overlooked component of a system. A power supply is a component which powers up all of the things inside a system. Stability is maintained if the...more
- A GPB BB4368 Galaxy Case: Cases are one of the most overlooked things when building a computer. Sure you may not use it but a case contributes to the stability of your computer if you hadn’t already...more
- A GPB CA-AP107 Medium ATX Case: Computer enthusiasts who want to build their own PC have many case designs to choose from. The CA-AP107 one of the latest pre-modded cases from A GPB, with its chrome detail and bright blue LEDs,...more
- A GPB HSS168 Virtual 3D Headphone: When you go to LAN parties you’re usually not allowed to bring your speakers. You are required to bring a pair of headphones. If you are a casual gamer at home or listen to...more
- A limousine that goes to batteries: Hiroshi Shimizu is the planner of one put car to point from the Keio University of Tokyo. The vehicle that catches up the 311 hour kilometers can carry eight persons. But the more sensational...more
- A meter of robolinux: Following the undertaken road some years ago with the development of the "Humanoid for Open Architecture Platform", open platform for the creation of "economic" umanoidi robots, Fujitsu has...more
- A meter of robolinux: Following the undertaken road some years ago with the development of the "Humanoid for Open Architecture Platform", open platform for the creation of "economic" umanoidi robots, Fujitsu has...more
- A micro-robot: The Japanese Seiko Epson Corp has introduced to the press the micro-robot flying lighter to the world: only hung 12 grams. The robot, that it is similar to micro-helicopter, has two thinnest...more
- A molecular calculating: It has been put to point a calculating that does not employ the electron flow but the movement of molecules. The futuristico system of calculation, that it has been put to point from a team of...more
- A mouse on the nail: A mouse that it is on a planned nail is that one from Stephen Mascaro, student of the Mit di Boston. This mouse carefullied lay down on the nail of the index, transmits marks them to the PC. Its...more
- A new diode valve tunnel: Engineers of the Ohio Been University, have put to point a new able diode valve of veicolare levels of electricity more elevate you than whichever other device of the same type. Ampere for squared...more
- A new hybrid transistor: A team of Germanic physicists, of the Institute Hahn-Meitner of Berlin, has made to grow, through one layer of polymers, of nanocavi the semiconductors in order to conceive a new hybrid...more
- A new one transitor: The scientists of prestigious society IBM have put to point a prototype of the thinnest transistor. This particular transistor has been sent in several the points of search, scattered in the...more
- A New Zero-Ripple Technique for Switchmode Power Supplies: ABSTRACT A new simple physical description of zero-ripple technique in Switchmode Power Supplies is proposed. Basic types of DC-to-DCconverters to which this principle applies are...more
- A operated by remote control quantistico airplane: American aviation is carrying out experimentations in order to verify the effectiveness of a particular airplane without pilot that it could be fed from a quantistico nucleonico reactor, rather...more
- A optoelettronico device: It has been recently put to point, from a team of investigators of the Georgia Institute of Technology, a optoelettronico device that, acting on nanometrica scale, resolves many complex logical...more
- A PC in order to travel in the time: Computer science colossus IBM has realized one machine of the time. Not draft of a "shuttle" that allows to travel physically in an other age, but of a most sophisticated computer of last...more
- A robot for the cancellations: Developed from the investigators of the Infn a fantoccio anthropomorhic in order to measure the received doses of cancellation on the flights of line and in other atmospheres. Jimmy, hung is...more
- A robot in order sondare the asteroid: The institute of austronautical sciences spaces them and Japanese (ISAC) and the Jet propulsion laboratory of NASA, is organizing a mission spaces them, previewed for 2002 and renamed Muses-C ....more
- A robot surgeon: In future it will carry out 50% of the participations in laparoscopia ' robot' in place of the hands of the surgeon, in order to operate the patients in more and more precise and above...more
- A robot that car is fed: Chew-Chew is called, and has been planned and realized from Stuart Wilkinson of the University of Tampa in Florida, the able robot to nourish itself alone. Battery to microbico fuel is only...more
- A robot that cleans up the houses: Spanish investigators have put to point an able robot to scramble up on the facades of buildings of 6 or 7 plans in order to clean up them. The estimated time does not exceed the three days and...more
- A Single Diode Circuit (Circuit Operation ): A circuit with a single diode and an RL load is shown above. The source v s is an alternating sinusoidal source. If v s = E * sin (wt), v s...more
- A Single Diode Circuit (Mathematical Analysis): An expression for the current through the diode can be obtained as shown below. It is assumed that the current flows for 0 b , where b > p . When the diode...more
- A Single Diode Circuit (MATLAB Simulation): The Matlab program used is re-produced below. % Program to simulate the half-wave rectifier circuit % Enter the peak voltage, frequency, inductance L in mH and resistor R...more
- A Single Diode Circuit(Interactive Simulation): The operation of the circuit can be simulated as shown below. In order to simulate, the solution for current is presented in the following form, where t = (wL)/R. Then...more
- A Single Diode Circuit(MATHCAD Simulation): The simulation of this circuit is in a file called halfrec1.mcd. You can download it by clicking on the image below. You need MathCad program to open this file. If...more
- A Single Diode Circuit(PSPICE Simulation): For simulation using Pspice, the circuit used is shown below. Here the nodes are numbered. The ac source is connected between nodes 1 and 0. The diode is connected between nodes 1 and 2...more
- A Single SCR Circuit (Circuit Operation): A circuit with a single SCR and an RL load is shown above. The source v s is an alternating sinusoidal source. If v s = E * sin (wt), v s is positive when 0 p , and v s is...more
- A solar airplane: Recently succeeding in New Mexico has been tested with a fed technological airplane to solar energy. The airplane has a wing span of 16 meters and, thanks to the materials with which it has been...more
- A sophisticated robotico finger: Spanish investigators of the University Polytechnic of Cartagena, have realized an equipped robotico finger of a sophisticated mechanism that confers the sense of the tact. Thanks to a particular...more
- A super thermometer: Scientists of the University of Yale have put to point a thermometer that can measure ultracold temperatures with the maximum precision and without some necessity of calibration because it be a...more
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