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Uncover expert takes and answers in our crossword blog. ... Off the Grid: Sally breaks down USA TODAY's daily crossword puzzle, Got Up. Sally Hoelscher, USA TODAY. February 14, 2025 at 10:00 PM.
The introduction of the metal vapor lamp, including various metals within the discharge tube, was a later advance. The heat of the gas discharge vaporizes some of the metal and the discharge is then produced almost exclusively by the metal vapor. The usual metals are sodium and mercury owing to their visible spectrum emission.
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
A study in 1981 estimated that the dose from using a thorium mantle every weekend for a year would be 3–6 microsieverts (0.3–0.6 mrem), tiny in comparison to the normal annual background radiation dose of around 2.4 mSv (240 mrem), although this assumes the thorium remains intact rather than airborne. A person actually ingesting a mantle ...
Hence, temperature determines the concentration of vapor of the flammable liquid in the air. A certain concentration of a flammable or combustible vapor is necessary to sustain combustion in air, the lower flammable limit, and that concentration is specific to each flammable or combustible liquid. The flash point is the lowest temperature at ...
Here's a Halloween riddle for you: What has a tail and four feet, but no arms or legs?. If you guessed a cyclops or other scary monster, better luck next time, because that's incorrect.We can't ...
The former Blues Clues star got his start on Nickelodeon's 1996 hit show at 22 years old. The program gained immediate success and reached No. 1 shortly after airing, much to Steve's surprise .
The presence of water vapor has been shown to lower the solidus temperature of anorthositic magma to more reasonable values, but most anorthosites are relatively dry. It may be postulated, then, that water vapor be driven off by subsequent metamorphism of the anorthosite, but some anorthosites are undeformed, thereby invalidating the suggestion.