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Blacksmiths work iron when it is hot enough to emit plainly visible thermal radiation. The color of a star is determined by its temperature, according to Wien's law. In the constellation of Orion, one can compare Betelgeuse (T ≈ 3800 K, upper left), Rigel (T = 12100 K, bottom right), Bellatrix (T = 22000 K, upper right), and Mintaka (T = 31800 K, rightmost of the 3 "belt stars" in the middle).
An alphanumeric keyboard is used to enter text, data, and other commands (e.g., function keys). A touchpad (also called a trackpad), a pointing stick, or both, are used to control the position of the cursor on the screen, and an integrated keyboard [55] is used for typing. Some touchpads have buttons separate from the touch surface, while ...
Temperature sensors were installed at short distances throughout the tunnel, monitored from a central control post. Fire hydrants were installed every 130 m, fed from large water tanks. There are 11 safety points along the tunnel, equipped with telephones and loud speakers connected to the control room, with a separate ventilation duct to ...
A sticky end ligation. Ligation is the joining of two nucleic acid fragments through the action of an enzyme. It is an essential laboratory procedure in the molecular cloning of DNA, whereby DNA fragments are joined to create recombinant DNA molecules (such as when a foreign DNA fragment is inserted into a plasmid).
Raspberry Pi (/ p aɪ /) is a series of small single-board computers (SBCs) developed in the United Kingdom by the Raspberry Pi Foundation in association with Broadcom.The Raspberry Pi project originally leaned toward the promotion of teaching basic computer science in schools.
Area code 945 was selected as the fourth area code in the Dallas overlay, after receiving approval from the Public Utility Commission of Texas. [2] Central office code assignments for NPA 945 have been available since January 15, 2021, [3] but can only be requested after all existing area codes are exhausted. [4]
The English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. [12] The German term Deutschland, originally diutisciu land ('the German lands'), is derived from deutsch (cf. Dutch), descended from Old High German diutisc 'of the people' (from diot or diota 'people'), originally used to distinguish the language of ...
James David "JD" Vance [a] (né Bowman; formerly Hamel; [b] born August 2, 1984) is an American politician, author, and Marine veteran who has served since 2023 as the junior United States senator from Ohio.