When used with a parabolic reflector or lens antenna, the phase center of the horn is usually placed at the focal point of the reflector, with the 3 dB points of the horn's radiation pattern set to be at the edge of the reflector.

) When assembled inside its tamper / reflector of tungsten carbide, the 141 lb ( 64 kg ) was more than twice critical mass.

When the highest performance is required, a technique called " dual reflector shaping " may be used.

When loaded in the machine, these rotors connect with the entry plate on the right and the reflector drum on the left.

When mounted within an elliptical reflector, these lamps are frequently used to simulate sunlight.

When the reflector was ejected from the unit, the reactor could not sustain the nuclear fission reaction and the reactor permanently shut down.

When Heidegger and Sartre speak of a contrast between being and existence, they may be right, I don't know, but their language is too philosophical for me.

When they express themselves it is incandescent hatred that shines forth, the rage of repudiation, the ecstasy of negation.

When I try to work out my reasons for feeling that this passage is of critical significance, I come up with the following ideas, which I shall express very briefly here and revert to in a later essay.

When the proprietor dies, the establishment should become a corporation until it is either acquired by another proprietor or the government decides to drop it.

When the reactionary response is thus bolstered by an intellectual defense, the characteristics of that defense are explicable only in terms of the basic attitudes of unanalyzed reaction.

When I take over Taliesin, the first thing I'll do is fire you ''.

When someone in the audience rose and asked how does it feel to be a celebrity, Carl said, `` A celebrity is a fellow who eats celery with celerity ''.

When decision makers act within this frame they determine whether a claim put forward in the name of religion is to be accepted by the larger community as appropriate to religion.

When we consider the disorganized state of the world community, and the legacy of predispositions adversely directed against all who are identified as Jews, it is obvious that the struggle for the minds and muscles of men needs to be prosecuted with increasing vigor and skill.

When we turn to Aristotle's ideas on the moral measure of literature, it is at once apparent that he is at times equally concerned about the influence of the art.

When their faith in civil liberties is tested against strong pressures of social expediency in specific issues, e.g., suppression of `` dangerous ideas '', many waver and give in.

There is, of course, nothing new about dystopias, for they belong to a literary tradition which, including also the closely related satiric utopias, stretches from at least as far back as the eighteenth century and Swift's Gulliver's Travels to the twentieth century and Zamiatin's We, Capek's War With The Newts, Huxley's Brave New World, E. M. Forster's `` The Machine Stops '', C. S. Lewis's That Hideous Strength, and Orwell's Nineteen Eighty-Four, and which in science fiction is represented before the present deluge as early as Wells's trilogy, The Time Machine, `` A Story Of The Days To Come '', and When The Sleeper Wakes, and as recently as Jack Williamson's `` With Folded Hands '' ( 1947 ), the classic story of men replaced by their own robots.

When I first came across Samuel Johnson's pronouncement, `` the remedy for the ills of life is palliative rather than radical '', it seemed to me to sum up the profoundest of political and social truths.

When all else fails, it is argued that open sessions slow down governmental operations.

When a person has thoughtlessly or deliberately caused us pain or hardship it is not always easy to say, `` Just forget it ''.

When a person meets God's requirements for the experience of forgiveness he is forgiven.

When I hold my son he stiffens his whole body in my arms until he is as straight and stiff as a board.

When different colors are used, she is just as likely to color trees purple, hair green, etc..

When we become firm enough to stand for those ideals which we know to be right, when we become hard enough to refuse to aid nations which do not permit self-determination, when we become strong enough to resist any more drifts towards socialism in our own Nation, when we recognize that our enemy is Communism not war, and when we realize that concessions to Communists do not insure peace or freedom, then, and only then will we no longer be `` soft ''.

When one powerful nation strives to emulate the success of another, it is only natural.

When a man is laid to rest, he is entitled to stay put.

When I talked to Ching about it, he said, Everyone can learn, if he is not a Reactionary or lazy.

When he shifted between the two images, a moving object, such as a planet, would appear to jump from one position to another, while the more distant objects such as stars would appear stationary.

When the amount of RAM is not sufficient to run all the current programs, it can result in a situation where the computer spends more time moving memory from RAM to disk and back than it does accomplishing tasks ; this is known as thrashing.

When the angular velocity of this co-rotating frame is not constant, that is, for non-circular orbits, other fictitious forces — the Coriolis force and the Euler force — will arise, but can be ignored since they will cancel each other, yielding a net zero acceleration transverse to the moving radial vector, as required by the starting assumption that the vector co-rotates with the planet.

When zone heater is moving from the top to the bottom of the container then solid condensate with irregular impurity distribution is forming.

When the car is moving to the left, each successive wave is emitted from a position further to the left than the previous wave.

When the source of the waves is moving toward the observer, each successive wave crest is emitted from a position closer to the observer than the previous wave.

When EM radiation at the frequences for which it is referred to as " radio waves " impinges upon a conductor, it couples to the conductor, travels along it, and induces an electric current on the surface of the conductor by moving the electrons of the conducting material in correlated bunches of charge.

When moving from a denser medium into a less dense one ( i. e., n < sub > 1 </ sub > > n < sub > 2 </ sub >), above an incidence angle known as the critical angle, all light is reflected and R < sub > s </ sub > = R < sub > p </ sub > = 1.

When a pilot moves the control column ( or sidestick ), a signal is sent to a computer ( analogous to moving a game controller ) the signal is sent through multiple wires ( channels ) to ensure that the signal reaches the computer.

When the actuator reaches the desired position, the two signals ( incoming and outgoing ) cancel each other out and the actuator stops moving ( completing a feedback loop ).

When Hayek left Salzburg in 1977, he wrote, " I made a mistake in moving to Salzburg ".

When oxygen binds to the iron complex, it causes the iron atom to move back toward the center of the plane of the porphyrin ring ( see moving diagram ).

When a magnetic field is present that is not parallel to the direction of motion of moving charges, these charges experience a force, called the Lorentz force.

When the birds spot prey animals moving by, they will pounce on them.

When, in 1887, the French and Italian Governments agreed upon moving the mortal remains of Rossini into the Basilica di Santa Croce, in Florence, Alboni, then a sixty-one-year-old lady living in seclusion, wrote to the Italian Foreign Minister, Di Robilant, proposing that the Petite Messe Solennelle, " the last musical composition by Rossini ", be performed in Santa Croce the day of the funeral, and " demanding the honour, as an Italian and a pupil of the immortal Maestro ," of singing it herself in her " dear and beloved homeland ".

When León became the first city in Nicaragua to fall to the Sandinistas, he responded with aerial bombardment, famously ordering the air force to " bomb everything that moves until it stops moving.

When the Russians began moving in tanks fitted with explosive reactive armor ( ERA ), the Chechens had to adapt their tactics, because the RPGs they had access to were unlikely to result in the destruction of the tank.

When food is abundant a slime mold exists as a single-celled organism, but when food is in short supply, slime molds congregate and start moving as a single body.

When his young son Mehmed died in 1543, he composed a moving chronogram to commemorate the year: Peerless among princes, my Sultan Mehmed.

When the Scroll Lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor.

When the source is moving towards the observer, the observed frequency is higher (" blue-shifted ") and given by

When the disc is being handled on their side of the field the two receivers make a series of tight cuts around the handler quickly moving the disc up the field in short increments.

When traveling through the turns at racing speed, which may exceed 85 km / h ( about 52 mph ), the banking attempts to match the natural lean of a bicycle moving through that curve.

When Agha Mohammad Khan, the founder of the Qajar dynasty, eventually came to power, he wreaked his revenge on Shiraz by destroying the city's fortifications and moving the national capital to Tehran.