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3 giorni fa · The invention in 1955 of the caesium atomic clock has led to the replacement of older and purely astronomical time standards such as sidereal time and ephemeris time, for most practical purposes, by newer time standards based wholly or partly on atomic time using the SI second.
3 giorni fa · Clock. A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year.
6 giorni fa · Because of the size and cost of an atomic clock, not everyone could have them. So where does the time on our phones and computers comes from? Lo and behold, Network Time Protocol (NTP) came into existence in the early 1980s. It takes the value from atomic clocks and synchronizes it around the world.
3 giorni fa · The European country of Italy has been inhabited by humans since at least 850,000 years ago. Since classical antiquity, ancient Etruscans, various Italic peoples (such as the Latins, Samnites, and Umbri ), Celts, Magna Graecia colonists, and other ancient peoples have inhabited the Italian Peninsula.
3 giorni fa · In general, an internet was a collection of networks linked by a common protocol. In the time period when the ARPANET was connected to the newly formed NSFNET project in the late 1980s, the term was used as the name of the network, Internet, being the large and global TCP/IP network.
27 mag 2024 · History of technology, the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek techne, ‘art, craft,’ with logos, ‘word, speech,’ meant in Greece a discourse on the arts, both fine and applied.
2 giorni fa · The history of artificial intelligence (AI) began in antiquity, with myths, stories and rumors of artificial beings endowed with intelligence or consciousness by master craftsmen.
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