Without a working star tracker, ion thrusting was temporarily suspended.

While working at the Carlsberg Laboratory he studied the effect of ion concentration on proteins, and because the concentration of hydrogen ions was particularly important, he introduced the pH-scale as a simple way of expressing it in 1909.

The other team, working on data from the spacecraft's ion composition spectrometer, discovered a sudden large spike in detected levels of ionised particles at the same time.

Mostek had been working with Sprague Electric to develop the ion implantation process which provided a tremendous gain in the control of doping profiles.

NASA is currently working on a 20-50 kW electrostatic ion thruster called HiPEP which will have higher efficiency, specific impulse, and a longer lifetime than NSTAR.

The current from the reduction of lead ion at the working electrode will decrease.

Alec Broers began his research career in the Engineering Department of the University of Cambridge in 1961 working with Professor Oatley, and later with Dr William C Nixon, on the in situ study of surfaces undergoing ion etching in the scanning electron microscope ( SEM ).

The essential working principle of the Hall thruster is that it uses an electrostatic potential to accelerate ions up to high speeds.

The HX thruster has the advantage of working equally well with any laser wavelength and both CW and pulsed lasers, and of having an efficiency approaching 100 %.

On Sunday, 17, 12 April: 30 pm Central time, Endeavour's flight control surfaces and thruster jets were checked out to ensure they were in good working order for planned landing at the Kennedy Space Center.

Gavin's stallion was in the barn and he tightened the cinches over the saddle blanket, working by touch in the darkness, comforting the animal with easy words.

He seemed very pleased with himself, as though some intricate scheme was working out exactly as he had planned.

She was glad, completely and unselfishly glad, to see that things were working out the right way for both Sally and Dan.

A phony blonde hanging onto a bygone youth and beauty, but irreparably stringy in the neck, she was already working on her second gin and tonic, though it was not yet ten A.M.

It was Baker, working through Provost Marshal Enoch Crowder and Major Hugh S. ( `` Old Ironpants '' ) Johnson, who arranged for a secret printing by the million of selective service blanks -- again before the Act was passed -- until corridors in the Government Printing Office were full and the basement of the Washington Post Office was stacked to the ceiling.

But his rancor did not cease, and presently, on March 13, when he preached a sermon on the text, `` And Ben-hadad Was Drunk '', he told his congregation how disappointed he was in Mr. Lewis, how he regretted having had him in his house, and how he should have been warned by the fact that the novelist was drunk all the time that he was working on the book.

The bank which held the mortgage on the old church declared that the interest was considerably in arrears, and the real estate people said flatly that the land across the river was being held for an eventual development for white working people who were coming in, and that none would be sold to colored folk.

The arrangement with Argiento was working well, except that sometimes Michelangelo could not figure who was master and who apprentice.

When they first married he had been working in the fields all day, and she would get in the car and drive to wherever he was working, to take him a fresh hot meal.

The doctor's mind was working at a great speed ; ;

After trimming off the excess on the frames and transom which was used to fasten them to the jig at a working height, the top of the side planking is installed.

In working out the practical legal conclusions President Waters was not thinking only of this pilot project, for it is planned to duplicate this program or system in other builder developments nationally.

Carpenters all wanted steady work and at the moment every mother's son for twenty miles around that could hammer nails for twenty-five dollars a day was working on the school job.

He said he was the lonely type and working in a cellar you saw funny things coming out of the cracks in the wall if they wasn't nobody with you.

he was working with species of Java, so perhaps some tropical snakes are unusual in this respect.

The position of receptionist was opened in a large office and an announcement was made to the other girls already working that they could apply for this job which had higher prestige and slightly higher salary than typing and clerking positions.

In 1991, the London Science Museum built a complete and working specimen of Babbage's Difference Engine No. 2, a design that incorporated refinements Babbage discovered during the development of the Analytical Engine.

It is set on the turn of the millennium, and features Lord Blackadder placing a bet with his friends – modern versions of Queenie ( Miranda Richardson ), Melchett ( Stephen Fry ), George ( Hugh Laurie ) and Darling ( Tim McInnerny ) – that he has built a working time machine.

ElectroData had built the Datatron 205 and was working on the Datatron 220.

Ohio built many miles of canal, Indiana had working canals for a few decades, and the Illinois and Michigan Canal connected the Great Lakes to the Mississippi River system until replaced by a channelized river waterway.

* 1897: August 10, Diesel built his first working prototype in Augsburg.

When Cecil Sharp produced his interpretations he was working in the dark, and others have built on ( and sometimes disagreed with ) his work.

On the 13 January 2011, the Computer Conservation Society announced that it had commissioned a working replica of EDSAC, to be built at The National Museum of Computing ( TNMoC ) in Bletchley Park.

Only when he had built a working prototype motorcycle would he start work on a final jig for mass production.

Compared to other " visions of the future ," Bel Geddes ' was rather achievable — the most advanced technology posited was the automated highway system, of which General Motors built a working prototype by 1960.

In theory the microkernel design would allow for all device drivers to be built as servers working in user space, but today most drivers of this kind are still contained in the GNU Mach kernel space.

While working at Bell Labs in November 1937, Stibitz invented and built a relay-based calculator that he dubbed the " Model K " ( for " kitchen table ", on which he had assembled it ), which was the first to calculate using binary form.

He even built a working model of the hollow Earth and patented it ().

Human habitation of the Qatar Peninsula dates as far back as 50, 000 years back, when small groups of Stone Age inhabitants built coastal encampments, settlements, and sites for working flint, according to archaeological evidences.

The world's oldest working railway, built in 1758, is the Middleton Railway in Leeds.

This is thought to date back to early times in the quarrying industry, where piles of extracted stone ( not fit for sale ) were built into tall rough walls ( to save space ) directly behind the working quarry face ; the rabbit's natural tendency to burrow would weaken these " walls " and cause collapse, often resulting in injuries or even death.

In the movie Twister, the heroes can be seen using an SGI laptop computer, however the unit shown was not an actual working computer, but rather a fake laptop shell built around an SGI Corona LCD flat screen display.

Marx's early writings portrayed the state as " parasitic ", built upon the superstructure of the economy, and working against the public interest.

The Canadian engineer Reginald Fessenden, while working for the Submarine Signal Company in Boston, built an experimental system beginning in 1912, a system later tested in Boston Harbor, and finally in 1914 from the U. S. Revenue ( now Coast Guard ) Cutter Miami on the Grand Banks off Newfoundland Canada.

It is thought that the first example of a working model tramcar in the UK built by an amateur for fun was in 1929, when Frank E. Wilson created a replica of London County Council Tramways E class car 444 in 1: 16 scale, which he demonstrated at an early Model Engineer Exhibition.

In fact, part of the response to the 2010 Haiti earthquake consisted of distributing food aid to women as experience built up over almost 5 decades of working in emergency situations has demonstrated that giving food to women helps to ensure that it is spread evenly among all household members.

* The Z3 as world's first working programmable, fully automatic computing machine was built.

Although he never built a working model of the system, Nipkow's spinning disk design became a common television image rasterizer used up to 1939.

* The first known working Newcomen steam engine is built by Thomas Newcomen with John Calley to pump water out of mines in the Black Country of England, the first practical device to harness the power of steam to produce mechanical work.

Baird built what was to become the world's first working television set using items including an old hatbox and a pair of scissors, some darning needles, a few bicycle light lenses, a used tea chest, and sealing wax and glue that he purchased.