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*  Invention of the telephone - Wikipedia
The painting made by Nestore Corradi it:Nestore Corradi in 1858 mentions the sentence "Electric current from the inductor pipe ... These currents, after traveling through the wire to the distant receiver, were received in an identical apparatus. This design ... Charles Bourseul was a French telegraph engineer who proposed (but did not build) the first design of a "make-and-break" ... that this disc alternately makes and breaks the currents from a battery: you may have at a distance another disc which will ...
  https://en.wikipedia.org/wiki/Invention_of_the_telephone
*  Butt welding - Wikipedia
... wire, tubing, formed parts, etc. EN 1993-1-8, which covers the design of joints in the design of steel structures, defines a ... Applying heat gently makes the gel-like flux now appear white and powdery which now is primed to be welded in which the blow ... Usually, a butt-welding joint is made by gradually heating up the two weld ends with a weld plate and then joining them under a ... while current flows to heat the joint . At this point the pressure applied upsets or forges the parts together . Upset ...
  https://en.wikipedia.org/wiki/Butt_welding
*  Autoclave (industrial) - Wikipedia
Although the design engineer can use the material of his or her own choice, the normal selection is SA516 Grade 70 PVQ ( ... Are these available, and are they current? If it uses electric heat, will it be necessary to buy a large transformer to match ... the installation of a code-stamped safety valve set at the design pressure. This valve is safety-wired to prevent changes in ... they should be made the subject of discussion during the design process. If a small high-pressure steam boiler is needed, it ...
  https://en.wikipedia.org/wiki/Autoclave_(industrial)
*  As Batteries Keep Catching Fire, U.S. Safety Agency Prepares For Change | Iowa Public Radio
Which made me wonder about his worldview.. So does that mean you sort of walk around your life constantly looking for things to ... I'm a electrical engineer at CPSC.. SELYUKH: He's the man you heard earlier handing out safety glasses. Lee's the top battery ... For thousands of products we buy and assume someone in the government makes sure they're safe, that someone is often his agency ... Product safety field staff send damaged products, such as this burnt battery pack from a defective electric scooter, to the ...
  http://iowapublicradio.org/post/batteries-keep-catching-fire-us-safety-agency-prepares-change
*  Teledeltos - Wikipedia
Connections are made to the paper by painting on areas of silver-loaded conductive paint and attaching wires to these, usually ... Although the modelling of electric fields is itself directly useful in some fields such as thermionic valve design, the main ... as part of their design process. A piece of Teledeltos with conductive electrodes at each end makes a simple resistor. Its ... This is low enough that it may be used with safe low voltages, yet high enough that the currents remain low, avoiding problems ...
  https://en.wikipedia.org/wiki/Teledeltos
*  SawStop - Wikipedia
The block is normally held away from the blade by a wire, but during braking, an electric current instantly melts the wire, ... In September 2016, Judge Thomas B. Pender made an initial determination that the new Bosch design infringes on patents ... Jason Ford (10 July 2001). "SawStop makes for safer woodworking". The Engineer. Retrieved 2011-06-29. US 8438958 "FAQ". SawStop ... SawStop's saws apply a small amount of electric voltage to the blade of the saw. The current through the blade is continuously ...
  https://en.wikipedia.org/wiki/SawStop
*  Test probe - Wikipedia
Other current probes use Hall effect sensors to measure the magnetic field around a wire produced by an electric current ... Test leads are usually made with finely stranded wire to keep them flexible, of wire gauges sufficient to conduct a few amperes ... Another clip-on design is the Rogowski coil. It is a magnetically balanced coil that measures current by electronically ... The invention of this cable has been traced to John Kobbe, an engineer working for Tektronix. The resistor serves to minimize ...
  https://en.wikipedia.org/wiki/Test_probe
*  Pantograph (transport) - Wikipedia
Pantographs with overhead wires are now the dominant form of current collection for modern electric trains because, although ... Trolley poles are still used by trolleybuses, whose freedom of movement and need for a two-wire circuit makes pantographs ... The design operates with equal efficiency in either direction of motion, as demonstrated by the Swiss and Austrian railways ... On railways of the former USSR, the most widely used pantographs are those with a double arm ("made of two rhombs"), but since ...
  https://en.wikipedia.org/wiki/Pantograph_(transport)
*  Valve Glossary S to Z | Valve | Welding
Solenoid - a cylindrical coil of wire acting as a magnet when carrying electric current. It often contains a movable iron or ... Stem, Integral - a design in which the stem is either physically a part of the ball or mechanically made part of the ball. Some ... It makes the cast iron very hard, strong and abrasion resistant. On the other hand, it is difficult to machine, thus its ... It is issued by a competent welding supervisor or engineer using conditions within code allowable variations from the parent ...
  https://www.scribd.com/document/3115438/Valve-Glossary-S-to-Z
*  Polywell - Wikipedia
The MaGrid was made of a unique diamond shaped hollow wire, into which an electric current and a liquid coolant flowed. They ... The device was termed WB-7 and like prior editions, was designed by engineer Mike Skillicorn. This machine has a design similar ... According to Bussard, typical cusp leakage rate is such that an electron makes 5 to 8 passes before escaping through a cusp in ... In fusors, the potential well is made with a wire cage. Because most of the ions and electrons fall into the cage, fusors ...
  https://en.wikipedia.org/wiki/Polywell
*  AC motor - Wikipedia
Polyphase electric currents and alternate-current motors. Spon. 1895. p. 87. Innovation as a Social Process. Cambridge ... In this case, the rotor has the same number of poles as the stator and the windings are made of wire, connected to slip rings ... The three-phase motor design was also worked on by the Swiss engineer Charles Eugene Lancelot Brown, and other three-phase AC ... Reversing phase makes the motor reverse. An AC servo amplifier, a linear power amplifier, feeds the control winding. The ...
  https://en.wikipedia.org/wiki/AC_motor
*  All the Speakers Plus We're Heating It Up a Day Early | Hackaday
His career balances design work for high end European design brands, strategic consulting for large corporations and teaching ... He makes videos at the intersection of adventure, travel, and technology for his popular YouTube channel Strange Parts. In a ... Bradley Gawthrop // Wiring Boot Camp. Bradley Gawthrop is a general purpose electronics geek and tinker who spent the last ... Rose is a robotics enthusiast and software engineer who would love to have as many robots on the web as there are webpages. She ...
  https://hackaday.com/2017/09/27/all-the-speakers-plus-were-heating-it-up-a-day-early/
*  NASA Building 'Solar Shield' As Flares Threaten Huge Disturbances to Electrical Grid, Computers, Telephones, Transportation,...
... they won't know until about 30 minutes before impact where the geomagnetically induced current is going to hit. Not really a ... To high and transformer windings can't handle the increased current. A given size wire can only handle so much current and NO ... And obviously guided by the design engineer through the process to the final shielding design step.. .. Different types of ... That generates electric currents from the upper atmosphere all the way down to the ground. These can cripple power grids, ...
  http://www.shtfplan.com/headline-news/nasa-building-solar-shield-as-flares-threaten-huge-disturbances-to-electrical-grid-computers-telephones-transportation-water-supply-and-food-production_11072010
*  Artificial heart - Wikipedia
Some limitations of the current AbioCor are that its size makes it suitable for only about 50% of the male population, and its ... State-of-the-art transcutaneous energy transfer eliminates the need for electric wires crossing the chest wall. On July 19, ... The AbioCor is made of titanium and plastic with a weight of 0,9 kg (two pounds), and its internal battery can be recharged ... In Carmat's design, two chambers are each divided by a membrane that holds hydraulic fluid on one side. A motorized pump moves ...
  https://en.wikipedia.org/wiki/Artificial_heart
*  Coaxial cable - Wikipedia
When a foil shield is used a small wire conductor incorporated into the foil makes soldering the shield termination easier. For ... The advantage of coaxial design is that electric and magnetic fields are restricted to the dielectric with little leakage ... Common mode current occurs when stray currents in the shield flow in the same direction as the current in the center conductor ... Coaxial cable was invented by English engineer and mathematician Oliver Heaviside, who patented the design in 1880. Coaxial ...
  https://en.wikipedia.org/wiki/Coaxial_cable
*  REPORT: Tesla Days and Tesla Science Foundation Conference
Thermal Electric. Tidal. Vortex. Waste to Energy. Water. - Water as Fuel. Wave. Wind. Wireless Electricity. Zero Point Energy. ... People made fun of the city, when it was mentioned at all. Then there was the awful MOVE! disaster in the 80s and that ... Current levels of research are very low. Now we need to look at it again. We can regard it as 'an alternative form of ... They account for lines on paper produced by many older makes of copy machines. Attach a tank circuit, and you get a sine wave! ...
  https://pesn.com/archive/2010/08/18/9501688_report_Tesla_Days_and_Tesla_Science_Foundation_Conference/index.html
*  Magneto - Wikipedia
The shunt wiring of the generator feeds some of its output current back into the field coils, which in turn increases output. ... Production of electric current from a moving magnetic field was demonstrated by Faraday in 1831. The first machines to produce ... A typical design here is an axial-flux generator recycled from a car brake disk and hub bearing. A MacPherson strut provides ... The French engineer Auguste de Méritens (1834-1898) developed magnetos further for this purpose. His innovation was to replace ...
  https://en.wikipedia.org/wiki/Magneto
*  E-Money (That's What I Want) | WIRED
I have made photocopies using a digital wallet and would have bought a soda from a DigiCash vending machine, but it was out of ... Proceeding in our current direction, we will arrive at a place where Orwell's worst prophecies are fulfilled. He delineated the ... There's the state of Ohio which has in the works a smart-card system for replacing welfare checks with electric money. At ... Of course, smart cards have to be tamper-proof so people can't reverse engineer them and double-spend. The prime protection is ...
  https://www.wired.com/1994/12/emoney/?topic=&topic_set=
*  Engines of Creation - K. Eric Drexler : Chapter 9
DULL FACT: Certain electric switches can turn one another on and off. These switches can be made very small, and frugal of ... Saving money makes sense because the child will mature; saving a person makes sense because molecular technology will mature. ... aerospace engineer Robert T. Jones wrote: 'In 1910, the year I was born, my father was a prosecuting attorney. He traveled all ... Biochemists learn to design proteins. Engineers use protein machines to build assemblers, then use assemblers to build a broad- ...
  http://e-drexler.com/d/06/00/EOC/EOC_Chapter_9.html
*  Room for improvement - Recycling Today
"There are brass fittings, wire nuts and tinned wire included in the loads, which makes it very, very difficult to create a good ... "Electric motors [now] have higher energy coefficients than in the past, and the design of the equipment has been tweaked for ... Williams recalls roughing out his first design on the back of a napkin, joking, "It got better when an engineer got involved." ... "We've certainly made upgrades to our line, but some of the technology being used and even sold today was there 40 or 50 years ...
  http://www.recyclingtoday.com/article/rt1014-wire-chopping-technology/
*  Hybrid vehicle - Wikipedia
A SHEPB prototype made by David Kitson in Australia in 2014 used a lightweight brushless DC electric motor from an aerial drone ... rate is high and therefore the system is more efficient than electric battery charged hybrids using the current electric ... One design has claimed to return 130 mpg in tests by using a large hydraulic accumulator which is also the structural chassis ... On a per unit of energy comparative basis, this makes natural gas much cheaper than gasoline. All of these factors are making ...
  https://en.wikipedia.org/wiki/Hybrid_vehicle
*  Camera - Wikipedia
In this shutter design, the whole film frame is exposed at one time. This makes flash synchronisation much simpler as the flash ... Tripod, microscope adapter, cable release, electric wire release. Dew shield - Prevents moisture build up on the lens. The ... A current plenoptic camera design has 40,000 lenses working together to grab the optimal picture. The size of the aperture and ... Camera lenses are made in a wide range of focal lengths. They range from extreme wide angle, and standard, medium telephoto. ...
  https://en.wikipedia.org/wiki/Camera
*  1880s - Wikipedia
It featured wire wheels (unlike carriages' wooden ones) with a four-stroke engine of his own design between the rear wheels, ... The principle made possible the development of the asynchronous, self-starting electric motor that is still used today. ... 1887-1889: The Serbian-American engineer Nikola Tesla files patents on a rotating magnetic field based alternating current ... 1884-1885: On August 9, 1884, "La France", a French Army airship, makes its maiden flight. Launched by Charles Renard and ...
  https://en.wikipedia.org/wiki/1880s
*  AIM-9 Sidewinder - Wikipedia
Current trends in shielded wires and non-magnetic metals in aircraft construction rendered this obsolete. The AIM-9H model ... Two electric servos power the canards to steer the missile (except AIM-9X). At the back of the GCU is a gas grain generator or ... The case is made from spirally wound spring steel filled with 8 pounds (4 kg) of PBXN-3 explosive. The warhead features a safe/ ... The Navy Sidewinder design progression went from the early production B model to the D model that was used extensively in ...
  https://en.wikipedia.org/wiki/AIM-9_Sidewinder
*  Electrostatic loudspeaker - Wikipedia
Janszen's company, JansZen still makes an evolved version of his original design. The KLH Nine was designed in the mid-1950s by ... Among electrostatic full-range speakers that are no longer made is the KLH 9, the earliest US full-range design. Under ideal, ... Suitable grid constructions are therefore perforated metal sheets, a frame with tensioned wire, wire rods, etc. To generate a ... Critical Mass engineer and CEO Wayde Alfarone's design capitalized on the directional nature of electrostats by creating ...
  https://en.wikipedia.org/wiki/Electrostatic_loudspeaker