Unlike lithium and sodium, however, potassium should not be stored under oil for longer than 6 months, unless in an inert ( oxygen free ) atmosphere, or under vacuum.

Unlike most vacuum tubes, they are not obsolete.

Unlike vacuum tubes, it could run with only a flashlight or car battery and had an indefinite lifetime.

Unlike a vacuum tube, a thyratron cannot be used to amplify signals linearly.

Unlike the orange-glowing cathodes of traditional vacuum tubes, VFD cathodes are efficient emitters at much lower temperatures, and are therefore essentially invisible.

Unlike most earlier British Rail shunters, the Class 02s were built with train vacuum brakes.

* Unlike electron microscope methods, specimens do not require a partial vacuum but can be observed in air at standard temperature and pressure or while submerged in a liquid reaction vessel.

Unlike Cybertron however, the moons do not appear to have any detectable atmosphere, as Daniel Witwicky, a longtime ally of the Autobots, was required to wear a mechanical ' exo suit ' that presumably included its own air supply and means to keep organic life forms pressurized against the vacuum of space, something that is not required by humans on Cybetron.

Unlike other airborne vehicles such as balloons or jets, a rocket is the only known form of propulsion which can continue to increase its speed at high altitudes in the vacuum outside the Earth's atmosphere.

Unlike office holders ( magistrates ) who could be impeached and prosecuted for misconduct, the jurors could not be censured, for they, in effect, were the people and no authority could be higher than that.

Unlike the Catholic sacrament of Penance, the Consolamentum could be taken only once.

Unlike the 1541, which was limited to GCR formatting, the 1571 could do both GCR and MFM disk formats.

Unlike other handheld game consoles, the first Game. com consoles included two slots for game cartridges and could be connected to a 14. 4 kbit / s modem.

Unlike many children, Simon was exposed to the idea that human behavior could be studied scientifically at a relatively young age due to the influence of his mother ’ s younger brother, Harold Merkel, who had studied economics at the University of Wisconsin – Madison under John R. Commons.

Unlike earlier laws, it was written in Akkadian, the daily language of Babylon, and could therefore be read by any literate person in the city.

Unlike earlier works of interactive fiction which only understood commands of the form ' verb noun ', Infocom's parser could understand a wider variety of sentences.

Unlike the positivists, he did not claim that metaphysical statements must be meaningless ; he also claimed that a statement which was " metaphysical " and unfalsifiable in one century ( like the ancient Greek philosophy about atoms ) could, in another century, be developed into falsifiable theories that have the metaphysical views as a consequence, and thus become scientific.

Unlike typical Western poetry, however, the number of unstressed syllables could vary somewhat.

Unlike the APC ( which was intended merely to transport the infantry from place to place under armor ), the IFV possessed heavy firepower which could support the infantry in attack or defense.

Unlike Yosemite, there was no state government that could assume stewardship of the land, so the federal government took on direct responsibility for the park, the official first national park of the United States.

Unlike Windows NT, OS / 2 also always gave DOS programs the possibility of masking real hardware interrupts, so any DOS program could deadlock the machine this way.

Unlike Structuralists, however, the Post-structuralists questioned the division between relation and component and, correspondingly, did not attempt to reduce the subjects of their study to an essential set of relations that could be portrayed with abstract, functional schemes or mathematical symbols ( as in Claude Lévi-Strauss's algebraic formulation of mythological transformation in " The Structural Study of Myth ").

Unlike the heat flow, the Ricci flow could run into singularities and stop functioning.

Unlike punched card decks, which could be sorted and re-ordered, paper tape was difficult to physically edit.

Unlike the Prime Minister of the United Kingdom or the President of the United States who can appoint his own government cabinet, the General Secretary of the Central Committee, in the post-Stalin period, could not appoint new members to the Politburo without support from a majority within the Politburo itself.

Unlike African Americans, women, Native Americans, Jews, the Irish, Italians, Asians, Hispanics, or any other cultural group which struggled for respect and equal rights, homosexuals had no physical or cultural markings, no language or dialect which could identify them to each other, or to anyone else ...

Unlike DC, AC could be stepped up to very high voltages with transformers, sent over thinner and cheaper wires, and stepped down again at the destination for distribution to users.

Unlike Flight 11, which had turned its transponder off, Flight 175's flight data could still be properly monitored.

Unlike the south-east and northern counties, Gloucestershire had neither the large home gates nor the necessary funds that could have secured the services of good quality professionals.

* Unlike the Macintosh, PARC's windows could not overlap each other.

Unlike most Hall thruster propulsion systems used in commercial applications, the Hall thruster on SMART-1 could be throttled over a range of power, specific impulse, and thrust.

Unlike the AEC work, which was intended to study the reactor design itself, NERVA's goal was to produce a real engine that could be deployed on space missions.

Unlike Alan Jackson, who refused to return to the UK after being treated in a similar manner by the press, Brooks returned in 1996 for more sold-out concerts, although this time his media appearances were mostly restricted to country radio and interviews with magazines.

Unlike its more popular counterpart, frequency modulation ( FM ), PM is not very widely used for radio transmissions.

Unlike simple radio communication, which only needs to make transmitted signals audible, direction-finders measure the received signal strength, which necessitates linear amplification of the actual carrier wave.

Unlike its Southern counterpart the deception relied primarily on " Special Means " and fake radio traffic since it was judged unlikely that German reconnaissance planes could infiltrate Scotland without being stopped.

Unlike the sophisticated RF counterparts in the US, a Civil Band radio is used and is equally effective.

Unlike high frequencies ( HF ), the ionosphere does not usually reflect VHF radio and thus transmissions are restricted to the local area ( and don't interfere with transmissions thousands of kilometres away ).

Unlike all other D-M aircraft at the time, the 23rd TASS fleet's tail flash read " NF ", for " Nail FAC "; the squadron's radio call sign was " Nail.

Unlike modern engines they have no radio, no cutting equipment, only a single ladder, and were relatively slow with a maximum speed of around, a comfortable cruising speed of, no power steering, and sensitive on corners.

Unlike terrestrial radio music channels are commercial free and other channels feature minimal commercials.

Unlike the first Earth Day in 1970, this 20th Anniversary was waged with stronger marketing tools, greater access to television and radio, and multimillion-dollar budgets.

Unlike the games other radio stations, the signal strength for this station varies across the city of Stilwater, often dropping in volume when driving around and making the station impossible to access in some areas ( such as Round Square Shopping Mall ).

Unlike Gorski, who with East of Eden Band, began broadcasting live performance poetry on radio and distributing the recordings of these broadcasts in place of publishing in print, Jewell and slam poets were more interested in small live audiences.

Unlike many others tainted by the Communist investigation, she was not blacklisted from movies, but she was blacklisted from performing on radio and television for almost three years.

Unlike many who were involved with early radio communications, viewing radio as point-to-point, Sarnoff saw the potential of radio as point-to-mass.

Unlike that required to qualify for a radio amateur licence no proof of technical competence was needed.

Unlike AOR radio stations, which played all tracks from albums, classic rock plays a much more limited playlist of charting singles and popular album tracks from artists and bands.

Unlike modern radio stations that transmit a radio signal modulated by an audio signal, the first radio transmitters transmitted unmodulated carrier wave signals used to send Morse code, consisting of " dots " and " dashes ", by on-off keying, so early radio receiving apparatus merely had to detect the presence or absence of the radio signal, not convert it to audio.

Unlike the Javelin where the guidance is calculated in the controller unit and sent to the missile via radio, in Starburst a laser in the control unit " paints " the target, and the missile passively guides itself to intercept the laser.