IBM has this week announced the launch of Qiskit SDK v1.0, marking a significant milestone in the realm of quantum programming. This major release focuses
A visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm's law expressed through an impossible water circuit analogy. (by Pierluigi Scotolati)
This simple overview shows you how basic electronic components work and what they do; resistors, capacitors, transistors, micro chips +++
Learn more about electrical impedance, working principle and its applications. This article give overview on EIT, complex impedance for RL & RC circuit
Electrical Tutorial about Power in AC Circuits including true and reactive power associated with resistors, inductors and capacitors
This is what you need to know about current, voltage, and resistance. Get a good understanding of the basics with this simple guide.
Read about Kirchhoff’s Voltage Law (KVL) (Divider Circuits And Kirchhoff's Laws) in our free Electronics Textbook
Bare Conductive paint allows you to draw a conductive circuit on almost any surface.
Researchers at the University of Illinois have developed biocompatible electronic devices which are completely soluble in water.
So, you’ve got yourself a techy-boyfriend, huh? Well, buckle up, because you’re about to embark on a journey into the world of geeks and gadgets. But fear not, dear reader, for I am here to guide you…
A quick reference in learning and debugging your electronics projects. Click to “download” the full resolution...
Creating a Soft Circuit Project With SnapNsew: Embedding electronics into textiles is an exciting way to get kids interested in electronics. Unfortunately, the techniques necessary to create a robust project are not trivial. I've created this system which allows you to: Easily create and te…
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If you have understood correctly, how to use transistors in circuits, you might have already conquered half of electronics and its principles. In this post we make an effort in […]
Computers, and technology in general, have come a long way in today’s world. The modern world is actually shaped and defined through the usage of computers, those neat little gadgets that do the hard work for you. Modern computers are also perfectly capable of entertaining, organizing, reminding, even surprising you. That wasn’t always the case. Here is glimpse of the history of computers and their humble beginnings. These computers may not have been as powerful as modern computers, but they’re old black and white photos are intriguing nevertheless. If for no other reason, then because those old computers were capable of filling a whole room with their robust circuitry. Enjoy these old photos of the first generation of computers. AVIDAC, Argonne’s first digital computer, began operation in January 1953. It was built by the Physics Division for $250,000. Pictured is pioneer Argonne computer scientist Jean F. Hall. The CSIRAC was Australia’s first computer. The name stands for CSIR originally stood for “Council for Scientific and Industrial Research”. This name was in effect from 1926 to 1949. The computer history at NTNU is much older than the computer departments. The very first computer at NTNU was called DIANA, or DIfferential ANAlysator. This was an analog electronic computer built by Jens Glad Balchen and the Division of Cybernetics in the years between 1952 and 1955. A press conference for what is considered the first computer, the Electronic Numerical Integrator and Calculator (ENIAC), was held at the University of Pennsylvania on February 1, 1946. The machine (shown here with a technician) took up an entire room, weighed 30 tons and used more than 18,000 vacuum tubes to perform functions such as counting to 5,000 in one second. ENIAC, costing $450,000, was designed by the U.S. Army during World War II to make artillery calculations. The development of ENIAC paved the way for modern computer technology–but even today’s average calculator possesses more computing power than ENIAC did. First ever apple computer running windows. This is an Apple II with a monochrome screen and PC emulator hardware installed. The board was called the 88 Card, “the only fully functional 8088 processor for the Apple II personcal computer. A man and woman working at a Ferranti Pegasus computer. This computer was a classic 1950s/1960s mainframe installation, taking up the majority of space in a room. First hard disk. The rotating drum technology allowed ERA to deliver the world’s first production stored-program computer (ATLAS – ERA 1101) to a customer site in October 1950. The engineers making the installation delivery to the National Security Agency predecessor were Frank Mullaney and Jack Hill. As shown in the photo below, these drum products came in various sizes. They were first used in several classified processors, then in the early 1100 computer series and the UNIVAC SS-80 and SS-90 computers. Dr. Cohen and Sid Rubens are credited with patenting the rotating magnetic drum. The drum development engineers and management shown in this early 50’s photo, left to right are: William Keye, Arnold Hendrickson, Robert Perking, Frank Mullaney, Dr. Arnold Cohen, and John ‘Jack’ Hill. The first ever computer in Latvia was developed and made at the start-up Institute of Electronics and Computer Science in early sixties. No computers were made industrially in USSR at that time. Therefore successful completion of that project certainly represented a significant achievement. Built on a lot of vacuum tubes, the computer actually worked well and was used for supporting research activities for several years till the time when it became possible to replace it by a more powerful industrially made computer. IBM 701. IBM’s first computer. Introduced in 1952, the 701 was designed for scientific work and research, which later led to the development of the high-level FORTRAN language. Nineteen machines were built, a record volume for such a machine in that era. Its internal memory contained 2,048 36-bit words of electrostatic memory and 8,192 words of magnetic drum memory (see early memories). It used magnetic tapes for storage and was one of the first machines to use plastic-based tapes instead of metal tapes. See IBM 650 and IBM 1401. At General Electric’s Aircraft Jet Engine Plant in Evendale, Ohio, this 1954 photo shows GE manager Herbert Grosch explaining the 701 to Ronald Reagan. Reagan was a TV personality for GE at the time. Amdahl Corporation, Sunnyvale, CA. A computer manufacturer founded in 1970 by Dr. Gene Amdahl, chief architect of the IBM System/360. In 1975, Amdahl installed its first IBM-compatible mainframe, the 470/V6. In 1979, Amdahl left the company he founded to form Trilogy, which tried without success to make the world’s largest chip based on wafer scale integration.
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Design submitted by Yoann from France. Yoann says: For a long time, I like to make some graphic creation in my free time and I used to put on it my little logo and “YAL” as a signature.…
Nanogenerators can harness kinetic energy to power implanted medical devices, smartphones and other small personal electronics. Do you have the power to learn how nanogenerators work?
Noor Khan, a pacifist descendant of Indian Royalty became a famed World War II spy for Britain’s Special Operations Executive.
For the first time a flexible CNT circuit has been doped to create a complimentary circuit
Pete Edwards and Phillip Stearns are developing a new breadboard-based modular synthesizer. The new system is designed for maximal scalability of size, quality and hardware format. This will allow …
DIY EEG (and ECG) Circuit: EEGs are a noninvasive way to look into your brain. While the brain is extremely complex, areas of it can lock into circular firing patterns, resulting in telltale brain waves that one can observe with the right equipment. Intensity of these waves c…
In this second part of a series on the electrical concepts behind DJ gear, we explore how critical circuits work to
Applications, working of resistors and how to use resistors in electronic circuit. Tutorial to understand what is resistor and its important functions.
If an LED indicator is present in battery powered gadgets such as Emergency lamps, it will consume power even if the gadget is not using. This will reduce
The dawn of free-thinking robots may soon be upon us. Researchers at UC Santa Barbara and Stony Brook University have developed an artificial neural circuit that emulates the electrical design of the brain’s synapses when classifying images. Because of the extreme complexity of the human brain, development of hardware that mimics neural networks has remained
Researchers have developed a first-of-its-kind self-healing gel that repairs and connects electronic circuits, creating opportunities to advance the development of flexible electronics, biosensors and batteries as energy storage devices.
