Day 274~366

The electric telephone was invented in the 1870s, it was based on earlier work with harmonic (multi-signal) telegraphs. The first commercial telephone services were set up in 1878 and 1879 on both sides of the Atlantic in the cities of New Haven and London. Alexander Graham Bell held the master patent for the telephone that […]

Read More Day 274~366

Day 273~366

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute. It is used as a measure of rotational speed of a mechanical component. In the French language, tr/mn (tours par minute) is the common abbreviation. The German […]

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Day 272~366

A fluid ounce is a unit of volume typically used for measuring liquids. It is equivalent to approximately 30 millilitres. Whilst various definitions have been used throughout history, two remain in common use: the imperial and the United States customary fluid ounce. An imperial fluid ounce is 1⁄20 of an imperial pint, 1⁄160 of an […]

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Day 271~366

Prior to the introduction of number plates there was the Locomotive and Highways Act 1896, which contributed to the rise in popularity for motor vehicles. The Act increased the speed limit and introduced compulsory lights for safety, but more relevantly it required vehicles to be registered by the local council. Even such ideas like driving […]

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Day 270~377

An ISBN is an International Standard Book Number. ISBNs were 10 digits in length up to the end of December 2006, but since 1 January 2007 they now always consist of 13 digits. ISBNs are calculated using a specific mathematical formula and include a check digit to validate the number. Each ISBN consists of 5 […]

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Day 269~366

Lumens measure how much light you are getting from a bulb. More lumens means it’s a brighter light; fewer lumens means it’s a dimmer light. Lumens let you buy the amount of light you want. So when buying your new bulbs, think lumens, not watts. The brightness, or lumen levels, of the lights in your […]

Read More Day 269~366

Day 268~366

Hymns Ancient and Modern is a hymnal in common use within the Church of England and resulted out of the efforts of the Oxford Movement. Over the years it has grown into a large family of hymnals. As such, the Hymns Ancient and Modern set the standard for the current hymnal in the Church of […]

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Day 267~366

The tarot (first known as trionfi and later as tarocchi, tarock, and others) is a pack of playing cards (most commonly numbering 78), used from the mid-15th century in various parts of Europe to play a group of card games such as Italian tarocchini and French tarot. From the late 18th century until the present […]

Read More Day 267~366

Day 266~366

100 days left now 🙂 Quinquereme is (apparently) an absorbing nautical dice game of strategy and chance,of Ancient Rome. The instructions are quite mind boggling, so I will spare you the details, but basically each player has 3 throws of the dice at each turn, and keep some dice back each time to try and […]

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