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Scratch 3.0, the first 3.x release version, was released on 2 January 2019. [63] On 28 June 2023, [ 64 ] the header and links on the Scratch Website changed from blue to purple, and new optional high-contrast block colors were introduced, to make the site easier for colorblind people to read and use.
4,5-Dichloro-1,2,3-dithiazolium chloride (Appel's salt) is an organosulfur compound. It is the chloride salt of the 4,5-dichloro-1,2,3-dithiazolium cation. It is a green solid that is poorly soluble in organic solvents. [1]
The Appel reaction is an organic reaction that converts an alcohol into an alkyl chloride using triphenylphosphine and carbon tetrachloride. [1] The use of carbon tetrabromide or bromine as a halide source will yield alkyl bromides, whereas using carbon tetraiodide , methyl iodide or iodine gives alkyl iodides .
Scratch, a small amount of extra money; Old Scratch or Mr Scratch, a figure representing the devil; Scratch building, creation, from raw materials, of architectural scale models; Scratchcard (or scratch card, or scratcher), a small card with one or more areas containing concealed information which can be revealed by scratching off an opaque ...
Los Angeles Rams quarterback Matthew Stafford finished out the season with a rib injury, his wife, Kelly Stafford, confirmed.
A stepmother in Brazil is facing a murder charge after a 3-year-old girl drowned after falling into a washing machine, according to multiple reports. The Public Prosecutor's Office of Paraná ...
ScratchJr is a derivative of the Scratch language, which has been used by over 10 million people worldwide. Programming in Scratch requires basic reading skills, however, so the creators saw a need for another language which would provide a simplified way to learn programming at a younger age and without any reading or mathematics required.
The team added that these findings have critical implications for the grocery business, which operates with much smaller margins than you may think, averaging a profit of 1% to 3% on most items.