Sentences with phrase «of alternating current»

And they did not address the difficulties of maintaining voltage and frequency of alternating current within extremely tight limits (a necessity in technologically dependent societies) when a large share of the supply is from wind and solar.

Radio waves are actually just a high frequency type of alternating current (AC), which is the type of electricity in our power grids, but devices need DC power to operate.

With the help of various household chemicals and 15,000 volts of alternating current applied directly to the film, Stearns has created abstracted images showing arcs that swell across the surface, created by burning holes and igniting the film.

-- Nikola Tesla, 1896, inventor of alternating current.

He was the man who gave us our current electrical grid through his development of the alternating current, but later in life, he doggedly pursued the Holy Grail of energy: a source of limitless wireless energy.

There's the reproductive years then everything goes crazy and perimenopause which is puberty in reverse and then there's menopause where you have just a direct current instead of an alternating current.

A power inverter can make the conversion to AC, but a typical inverter with the required capabilities contains about 300 pounds of material: a computer to change the frequency of alternating current as motor speed changes, massive switches, and cooling equipment to dissipate the heat generated by the heavy current.

But Bandyopadhyay found something very different when he applied specific charges of alternating current.

More than 1,400 Ontario households may soon get an unexpected gift: the miracle of alternating current electricity, with which to heat their homes and roast their geese and snuggle up on the couch and watch The Muppet Christmas Carol.

Not exact matches

These sorts of clocks keep time by counting the number of oscillations in the alternating current they receive, which also powers them; in other words, the number of times the flow of electricity changes directions every second.

A simple effect that scientists have known about since the 1950s, electro - vibration tricks your fingertips into sensing texture when you touch a layer of insulation encasing a metal surface that's conducting an alternating electrical current.

Best known for his invention of the modern alternating current electricity supply system, Tesla exercised religiously.

Just as importantly, his work on the distribution of electricity led to the world's first power plant in New York City (though his technology choice, direct current (DC), was eventually surpassed by the alternating current approach (AC) championed by rival inventor, Nikola Tesla).

It led to the introduction of the electric chair, which Edison hoped people would associate with alternating current.

Instead of listening, Edison launched a fearmongering campaign to make people fear alternating current.

A type of power inverter, the small, shiny box doesn't produce power itself, but instead changes direct current to alternating current, an essential process in electric car technology that lets battery power spin the car's motor.

If this does not reflect your current income, you can elect to provide alternate proof (e.g., pay stub, letter from employer, proof of self - employment).

Much the identical as different tasks «forking» to create a brand new cryptocurrency, litecoin money's builders declare they merely need to use an current codebase to create a more moderen and higher type of on - line alternate.

«Violating a place of worship, killing priests and worshippers is not only vile, evil, and satanic,» said Muhammadu Buhari, Nigeria's current president and a Muslim (the nation alternates between Muslim and Christian heads of state).

The current efforts should be to reject models that sanction the undercutting of a plurality of religious, cultural, political, and social expressions and to imagine alternate models that legitimate and empower multiple religious, cultural, political, and social self - expressions of the various communities that make up the Indian nation.

It is because of their lack of such alternate grounding that most of the current efforts in «value analysis» and «moral development» seem so frail.

Never too shy to sing the praises of the virtues of the Idaho Potato, the IPC views the current diet environment as a key opportunity to get out in front of the news with an alternate and balanced position.

This rapid - freezing system uses both alternating and direct current, high «electric potential,» at the same time to rapidly cool the product without oxidization, reducing the size of ice crystals that form in food cells.

The bad news is that I'm coughing regularly and probably starting the chest cold that has had my wife in bed all weekend (and, no, in her current condition she is NOT hot...) Airborne zinc lozenges, and vitamin C are already on board and will alternate with the brewskis for at least the next several couple of days (then back to work on Wednesday, I hope...) My favorite line from Animal House is definitely in order...

An alternating current of victory and defeat for favorites appears to be the persistent theme of conference play as races gather momentum around the country.

I'm not sure the black helmet would look great with a throwback Kelly Green jersey, but what about a modified version of our current «blackout» alternate, which uses Kelly Green accents and classic logos rather than the midnight cyan accents?

Either player would represent different options for us up front and perhaps, here's hoping, mean that we could alternate our formation and tactics based on the current state of play in games.

Kendig said the goal of the alternate realignments was to avoid wetlands and miss residential areas that the current proposal does not.

«Within the next six months, I have directed the team to create a second tunnel so that there will be continuous flow of traffic instead of the current alternating flow that we are experiencing.

Prosecutors and defense lawyers proposed a cornucopia of possible solutions, ranging from finishing the trial with just 11 jurors to replacing a current juror with an alternate — a move that would require the newly constituted 12 - member jury to restart deliberations entirely.

This chapter amendment would change the effective date of the law to May 1, 2011, allowing property holders, business owners and not - for - profit corporations the time to adjust the uses of their properties to the provisions of this law, or to dispose of the properties at issue so that they may find alternate sites for their current uses.

To address the situation proactively, this budget request contains groupings of service restoration proposals, starting with high impact restorations to allow current library locations to provide more effective public access and service and progressing through a series of service restorations that will pilot and ultimately expand alternate service provision models.

There are lots of current and former elected officials too, on both the delegate and alternate lists: Al D'Amato, George Pataki, Dean Skelos, Rick Lazio, Greg Ball, Eric Ulrich, Marty Golden, Bill Weld, Sue Kelly, John Faso, George Maziarz and many more.

These include Transcranial Magnetic Stimulation and Transcranial Direct Current Stimulation, the former uses alternating magnetic fields to simulate specific brain areas while the latter aims electrical currents of power equal to a 9 - volt battery to specific brain areas.

Mains electricity is alternating current supplied at a frequency of 50 or 60 cycles per second.

Thomas Edison was an early and eager advocate of electrocuting criminals using alternating current — the system promoted by his rival George Westinghouse.

Stone stepped down from JPL in 2001, but his touch remains in the current cadence of Mars exploration, alternating between big - budget missions like Curiosity and smaller ones like the MAVEN orbiter, which studies the Martian atmosphere.

Generally, plants are not required to survive a simultaneous loss of outside and internal alternating current power («station blackout») and an earthquake, the NRC said.

The traction - drive system typically consists of a boost converter (which steps up voltage when the electronic circuit requires a higher operating voltage than the battery can provide alone), two inverters (which take direct current (DC) voltage and convert it to alternating current (AC)-RRB-, and electric motors to provide motive power (pdf).

Further, he found the signature memristor effect: When he reversed the flow of electricity, as in an alternating current, the efficiency of the conductance increased, as if the microtubule had remembered the current that previously passed through it.

His designs advanced alternating current at the start of the electric age and allowed utilities to send current over vast distances, powering American homes across the country.

Using a resistor to convert electrical charge to alternating current, Krupenkin was able to harvest electrical energy from drops of either mercury or galinstan, a gallium - based alloy as they were moved along these channels and over the electrodes.

It is more efficient to transmit electricity over long distances in the form of DC, rather than alternating current.

When a metal is in the presence of alternating magnetic fields (AMFs), electrical currents are produced on the metal, which generate heat.

Current treatment methods used are transcranial direct current simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andCurrent treatment methods used are transcranial direct current simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent simulation (tACS)-- which sees a constant electrical current flow back andcurrent flow back and forth.

Under an alternating voltage, the size of the particles determines how quickly they can change direction as the current reverses, attracting them first to one of the electrodes and then the other.

The second, also a major challenge, requires lowering the costs and raising the performance of the electronics that convert direct current from photovoltaic solar power to alternating current used on the grid.

Together with colleagues from Chalmers University of Technology and the company Borealis in Sweden, he has found a powerful method for reducing energy losses in alternating current cables.

To further decrease losses, some long stretches would use direct current, instead of the usual alternating current that most of the system — and virtually all households and businesses — run on.

The electric current pulses 30 times a second, heating alternating layers of the sandwich with each surge.