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1 giorno fa · An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions between such states they interact with a very specific frequency of electromagnetic radiation.
3 giorni fa · The Junkers Ju 87, popularly known as the "Stuka", [b] is a German dive bomber and ground-attack aircraft. Designed by Hermann Pohlmann, it first flew in 1935. The Ju 87 made its combat debut in 1937 with the Luftwaffe 's Condor Legion during the Spanish Civil War of 1936–1939 and served the Axis in World War II from beginning to end (1939 ...
- 17 September 1935
- 1945
- 6,000
- Junkers
4 giorni fa · McCune–Reischauer. Taejosŏn'guk. IPA. Korean pronunciation: [tɛdɕosʌnɡuk̚] Joseon [a] ( Korean : 조선; Hanja : 朝鮮; MR : Chosŏn; [tɕo.sʌn] ), officially Great Joseon State ( 대조선국; 大朝鮮國; [tɛ.tɕo.sʌn.ɡuk̚] ), [15] was a dynastic kingdom of Korea that lasted just over 500 years.
1 giorno fa · List of common display resolutions. This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g. red indicates a 4:3 ratio). This article lists computer monitor, television, digital film, and other graphics display resolutions that are in common use.
1 giorno fa · The Most Noble Order of the Garter was founded by Edward III of England in 1348. Dates shown are of nomination or installation; coloured rows indicate sovereigns, princes of Wales, medieval ladies, modern royal knights and ladies, and stranger knights and ladies, none of whom counts toward the 24-member limit.
4 giorni fa · 1354–1394 Duchess of Lancaster: Katherine Swynford Duchess of Lancaster 1350–1403: Edmund of Langley 1341–1402 1st Duke of York: Isabella of Castile Duchess of York c. 1355 –1392: Elizabeth de Burgh Duchess of Clarence 1332–1363 4th Countess of Ulster: Lionel of Antwerp 1338–1368 1st Duke of Clarence: Violante (Jolantha) Visconti ...
6 giorni fa · Questa voce raccoglie, in ordine di edizione, i dettagli delle puntate del programma televisivo di divulgazione storica Passato e presente, in onda su Rai 3
