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The words "electronic mail" might sound new but was introduced 30 years ago. Queen Elizabeth of Britain sent her first email in 1976
An atomic clock is accurate to within 1 second in 1,7 million years
A fathom is 1,8 metres (6 feet)
The names of all the continents end with the letter they start with
Neil Armstrong stepped on the moon with his left foot first
The sentence "The quick brown fox jumps over the lazy dog" uses every letter of the alphabet
Lightning strikes men about seven times more often than it does women
The living does not outnumber the dead: since the creation about 60 billion people have died
Due to earth's gravity it is impossible for mountains to be higher than 15,000 metres
The crawler, the machine that takes the Space Shuttle to the launching pad moves at 3km/h (2 mph).
Summer on Uranus lasts for 21 years
The sun is 330,330 times larger than the earth
All the planets in the solar system rotate anticlockwise, except Venus. It is the only planet that rotates clockwise
Earth orbits the sun at an average speed of 29.79 km/s (18.51 miles/sec), or about 107 000 km/h (about 67,000 miles/hour).
One year on earth is 365.26 days long. One day is 23 hours, 56 minutes, and 4 seconds long. The extra day in a leap year was introduced to compensate for the discrepancy in the Georgian calendar.
Earth is slowing down - in a few million years there won't be a leap year.
Plates carrying the continents migrate over the earth's surface a few centimetres (inches) per year, about the same speed that a fingernail grows
If you stack one million US$1 bills, it would be 110m (361 ft) high and weight exactly 1 ton
TIP is the acronym for "To Insure Promptness."
Of the more than $50 billion worth of diet products sold every year, almost $20 billion are spent on imitation fats and sugar substitutes
An atomic clock is accurate to within 1 second in 1,7 million years
A fathom is 1,8 metres (6 feet)
The names of all the continents end with the letter they start with
Neil Armstrong stepped on the moon with his left foot first
The sentence "The quick brown fox jumps over the lazy dog" uses every letter of the alphabet
Lightning strikes men about seven times more often than it does women
The living does not outnumber the dead: since the creation about 60 billion people have died
Due to earth's gravity it is impossible for mountains to be higher than 15,000 metres
The crawler, the machine that takes the Space Shuttle to the launching pad moves at 3km/h (2 mph).
Summer on Uranus lasts for 21 years
The sun is 330,330 times larger than the earth
All the planets in the solar system rotate anticlockwise, except Venus. It is the only planet that rotates clockwise
Earth orbits the sun at an average speed of 29.79 km/s (18.51 miles/sec), or about 107 000 km/h (about 67,000 miles/hour).
One year on earth is 365.26 days long. One day is 23 hours, 56 minutes, and 4 seconds long. The extra day in a leap year was introduced to compensate for the discrepancy in the Georgian calendar.
Earth is slowing down - in a few million years there won't be a leap year.
Plates carrying the continents migrate over the earth's surface a few centimetres (inches) per year, about the same speed that a fingernail grows
If you stack one million US$1 bills, it would be 110m (361 ft) high and weight exactly 1 ton
TIP is the acronym for "To Insure Promptness."
Of the more than $50 billion worth of diet products sold every year, almost $20 billion are spent on imitation fats and sugar substitutes
