Is flying at a higher altitude faster?

Is flying at a higher altitude faster? But a common questions is, do airplanes fly faster at higher altitudes? Technically, no. As altitude increases, air density decreases, which decreases engine performance but gives it better fuel efficiency. Each airplane has an optimal cruising altitude range that is the best tradeoff of speed and fuel efficiency. […]

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How did Christianity come to Rome?

How did Christianity come to Rome? In 313 AD, the Emperor Constantine issued the Edict of Milan, which accepted Christianity: 10 years later, it had become the official religion of the Roman Empire. What country brought Christianity to Rome? The message of Christianity was spread around the Roman Empire by St. Paul who founded Christian […]

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Why is interlaced video still used?

Why is interlaced video still used? The interlaced signal contains two fields of a video frame captured consecutively. This enhances motion perception to the viewer, and reduces flicker by taking advantage of the phi phenomenon. Is interlaced video better? Interlacing was the answer. Interlaced made for a better quality look to television broadcasts. As the […]

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