When was the first commercial jet flight?

When was the first commercial jet flight?

Then, on May 2, 1952, the British Overseas Aircraft Corporation (BOAC) began the world’s first commercial jet service with the 44-seat Comet 1A, flying paying passengers from London to Johannesburg. The Comet was capable of traveling 480 miles per hour, a record speed at the time.

Why do my ears pop on a plane?

Your ears pop in airplanes because the air high above the surface of Earth is less dense than air near the surface, because air near the surface has all the air above it pushing down. Your inner ear has air trapped in it and as the atmospheric pressure changes, it causes pressure on your ear drum.

Who warned Julius Caesar about the Ides of March?

This meeting is famously dramatised in William Shakespeare’s play Julius Caesar, when Caesar is warned by the soothsayer to “beware the Ides of March.” The Roman biographer Suetonius identifies the “seer” as a haruspex named Spurinna.

When was the largest tornado?

The largest tornado in recorded history was Friday’s May 31, 2013 EF-5 tornado in El Reno, Oklahoma, the National Weather Service in Norman, Oklahoma announced on Tuesday. The EF-5 re-classification was based upon Doppler radar data taken by Oklahoma University’s mobile RaXPol radar.

How long was a Roman mile?

The Romans used a unit of distance called the mille passum, which literally translated into “a thousand paces.” Since each pace was considered to be five Roman feet—which were a bit shorter than our modern feet—the mile ended up being 5,000 Roman feet, or roughly 4,850 of our modern feet.

Are armadillo shells bullet proof?

Yes they are. In fact, one Texas man was hospitalized when a bullet he shot at an armadillo ricocheted off the animal and hit him in the jaw.

How far away is the curve of the earth?

For an observer standing on the ground with h = 1.70 metres (5 ft 7 in) (average eye-level height), the horizon is at a distance of 4.7 kilometres (2.9 mi). For an observer standing on the ground with h = 2 metres (6 ft 7 in), the horizon is at a distance of 5 kilometres (3.1 mi).

Why does father christmas wear red and white?

Believe it or not, present-day Santa owes his red robe not to an ancient legend or to an early myth but to the Coca Cola Company. A long time ago Father Christmas was shown in clothes of different colours: green, purple, light-blue, navy blue, brown or red.