1 Forensic phonetics: the use of phonetics (the science of speech) for forensic (legal) purposes. 2  Speech recognition: the analysis and transcription of recorded speech by a computer system. 3  pronunciation: to learn actual pronunciation of words of various languages.
Mercury vapor is odorless, colorless and very toxic. Even though liquid mercury evaporates slowly, a significant amount of mercury vapor can build up indoors after mercury is spilled, and it can be dangerous to breathe these mercury vapors.
Why Liquid Nitrogen Is Dangerous. When an 18-year-old British reveler was rushed to the hospital after ingesting a cocktail prepared with liquid nitrogen, questions arose about the safety of using the chemical in the kitchen. By Olivia B. Waxman @OBWaxOct. 10, 2012.