Problem: Antenna (radio):

For instance, a phased array consists of two or more simple antennas which are connected together through an electrical network. This often involves a number of parallel dipole antennas with a certain spacing. Depending on the relative phase introduced by the network, the same combination of dipole antennas can operate as a "broadside array" (directional normal to a line connecting the elements) or as an "end-fire array" (directional along the line connecting the elements). Antenna arrays may employ any basic (omnidirectional or weakly directional) antenna type, such as dipole, loop or slot antennas. These elements are often identical.

How many antenna would make up a phased array?
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A: two or more

Problem: By the end of the 18th century a new room in the pub was established: the saloon.[citation needed] Beer establishments had always provided entertainment of some sortsinging, gaming or sport.[citation needed] Balls Pond Road in Islington was named after an establishment run by a Mr Ball that had a duck pond at the rear, where drinkers could, for a fee, go out and take a potshot at the ducks. More common, however, was a card room or a billiard room.[citation needed] The saloon was a room where for an admission fee or a higher price of drinks, singing, dancing, drama or comedy was performed and drinks would be served at the table.[citation needed] From this came the popular music hall form of entertainmenta show consisting of a variety of acts.[citation needed] A most famous London saloon was the Grecian Saloon in The Eagle, City Road, which is still famous because of a nursery rhyme: "Up and down the City Road / In and out The Eagle / That's the way the money goes / Pop goes the weasel." This meant that the customer had spent all his money at The Eagle, and needed to pawn his "weasel" to get some more. The meaning of the "weasel" is unclear but the two most likely definitions are: a flat iron used for finishing clothing; or rhyming slang for a coat (weasel and stoat).
What is rhyming slang for 'coat'?
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Answer: weasel

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In September 1695, Captain Henry Every, an English pirate on board the Fancy, reached the Straits of Bab-el-Mandeb, where he teamed up with five other pirate captains to make an attack on the Indian fleet making the annual voyage to Mocha. The Mughal convoy included the treasure-laden Ganj-i-Sawai, reported to be the greatest in the Mughal fleet and the largest ship operational in the Indian Ocean, and its escort, the Fateh Muhammed. They were spotted passing the straits en route to Surat. The pirates gave chase and caught up with Fateh Muhammed some days later, and meeting little resistance, took some 50,000 to 60,000 worth of treasure.
Where was the indian Fleet headed when they were attacked by Captain Every
A: Mocha

Context and question: Einstein showed in his thought experiments that people travelling at different speeds, while agreeing on cause and effect, measure different time separations between events, and can even observe different chronological orderings between non-causally related events. Though these effects are typically minute in the human experience, the effect becomes much more pronounced for objects moving at speeds approaching the speed of light. Many subatomic particles exist for only a fixed fraction of a second in a lab relatively at rest, but some that travel close to the speed of light can be measured to travel farther and survive much longer than expected (a muon is one example). According to the special theory of relativity, in the high-speed particle's frame of reference, it exists, on the average, for a standard amount of time known as its mean lifetime, and the distance it travels in that time is zero, because its velocity is zero. Relative to a frame of reference at rest, time seems to "slow down" for the particle. Relative to the high-speed particle, distances seem to shorten. Einstein showed how both temporal and spatial dimensions can be altered (or "warped") by high-speed motion.
What did Einstein show that light could be warped by?
Answer: unanswerable

Question: University Hospital Southampton NHS Foundation Trust is one of the city's largest employers. It provides local hospital services to 500,000 people in the Southampton area and specialist regional services to more than 3 million people across the South of England. The Trust owns and manages Southampton General Hospital, the Princess Anne Hospital and a palliative care service at Countess Mountbatten House, part of the Moorgreen Hospital site in the village of West End, just outside the city.
Is there an answer to this question: How many people in the South of England rely on the NHS Foundation Trust's specialist services?

Answer: 3 million

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Several companies, refusing to pay the licensing fee or having been rejected by Nintendo, found ways to circumvent the console's authentication system. Most of these companies created circuits that used a voltage spike to temporarily disable the 10NES chip in the NES. A few unlicensed games released in Europe and Australia came in the form of a dongle that would be connected to a licensed game, in order to use the licensed game's 10NES chip for authentication. In order to combat unlicensed games, Nintendo of America threatened retailers who sold them with losing their supply of licensed titles. In addition, multiple revisions were made to the NES PCBs to prevent these games from working.
Companies didn't do what in an effort to circumvent Nintendo's console authentication?
A:
unanswerable