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Tennis originated in Great Britain. It was only in 1986 that yellow tennis balls were first used at Wimbledon, where an impressive 24 tons of straw...

Text on the reverse side:The laboratory glassware can range in size from a couple of inches to several inches in length, as well as various diamete...

The laboratory glassware can range in size from a couple of inches to several inches in length, as well as various diameters. In order to resist th...

Text on the reverse side:In 1907, the first movie theatre was opened. Prior to this, most movies were shown in traditional theatres. As for top tic...

In 1907, the first movie theatre was opened. Prior to this, most movies were shown in traditional theatres. As for top ticket selling movie of all ...

Text on the reverse side:Although today, linen, wool, silk and cotton yarns are mostly used, early sewers used thread made from leather thongs, gut...

Although today, linen, wool, silk and cotton yarns are mostly used, early sewers used thread made from leather thongs, gut and grasses. It was in 1...

Text on the reverse side:The TIE/LN starfighter or TIE/line starfighter from Star Wars, often called TIE Fighter or T/F, is often seen in huge numb...

The TIE/LN starfighter or TIE/line starfighter from Star Wars, often called TIE Fighter or T/F, is often seen in huge numbers in most of the Galact...

Text on the reverse side:The first commercial toilet paper was invented by Joseph Gayetty in 1857 which was used for medical purposes. It was Briti...

The first commercial toilet paper was invented by Joseph Gayetty in 1857 which was used for medical purposes. It was British businessman Walter Alc...

Text on the reverse side:Unclean smartphones can contain around 600 units of staphylococcus bacteria, in contrast to less than 20 units on a toilet...

Unclean smartphones can contain around 600 units of staphylococcus bacteria, in contrast to less than 20 units on a toilet seat. Studies show that ...

Text on the reverse side:In public toilets, the first cubicle in a row is generally the least used, as people generally seek privacy and opt for th...

In public toilets, the first cubicle in a row is generally the least used, as people generally seek privacy and opt for the last one. Perhaps usefu...

Text on the reverse side:The Chinese were the first to use the bristle toothbrush, going back to the Tang Dynasty (619 CE to 907 CE). They arrived ...

The Chinese were the first to use the bristle toothbrush, going back to the Tang Dynasty (619 CE to 907 CE). They arrived in Europe via Chinese tra...

Text on the reverse side:If all the LEGO bricks sold in a year were lined up end to end, it would reach over 5 times around the globe. The word “Le...

If all the LEGO bricks sold in a year were lined up end to end, it would reach over 5 times around the globe. The word “Lego” dervies from the firs...

Text on the reverse side:In 1992, 28,000 rubber ducks were lost at sea from a shipping crate from Hong Kong to USA. Some have washed up on the shor...

In 1992, 28,000 rubber ducks were lost at sea from a shipping crate from Hong Kong to USA. Some have washed up on the shores of Hawaii, whilst othe...

Text on the reverse side:Made of lead, early toy trains had no moving parts with only some made with wheels that would actually turn. From around 1...

Made of lead, early toy trains had no moving parts with only some made with wheels that would actually turn. From around 1875 onwards, with better ...

Text on the reverse side:The first ever modern traffic light was installed Aug. 5, 1914 in Cleveland, Ohio. With only red and green lights, it was ...

The first ever modern traffic light was installed Aug. 5, 1914 in Cleveland, Ohio. With only red and green lights, it was not automatic, and was op...

Text on the reverse side:A tool with a scoop-shaped metal blade with a pointed head, the trowel serves to dig holes, break up earth, amongst other ...

A tool with a scoop-shaped metal blade with a pointed head, the trowel serves to dig holes, break up earth, amongst other gardening activities. Fro...

Text on the reverse side:The square is a tool used for marking and measuring a an accurate right angle. It can serve to symbolise the conscience, m...

The square is a tool used for marking and measuring a an accurate right angle. It can serve to symbolise the conscience, morality and the rightness...

Text on the reverse side:The English inventor Henry Mill had patented a similar machine long ago in 1714, which never seems to have gone into produ...

The English inventor Henry Mill had patented a similar machine long ago in 1714, which never seems to have gone into production. The QWERTY keyboar...

Text on the reverse side:The modern violin has been around for around 500 years, which is said to have been designed in the 1500’s by Andrea Amati....

The modern violin has been around for around 500 years, which is said to have been designed in the 1500’s by Andrea Amati. The modern violins have ...

Text on the reverse side:Produced from March 1950, the Volkswagen Type 2 has been a classic. Informally called the Microbus, Splitscreen, or Splitt...

Produced from March 1950, the Volkswagen Type 2 has been a classic. Informally called the Microbus, Splitscreen, or Splittie, around a fifth of the...

Text on the reverse side:In the 19th century, pocket watches dominated the industry, and the wristwatch primarily were made for women who did not u...